"Abbott Seamount","seamount","31 48N","174 18E"
"Abington Reef","reef","18 00S","149 45E"
"Abra Canyon","canyon","17 31N","120 22E"
"Abraham Canyon","canyon","52 37N","172 20E"
"Abrolhos Bank","bank","18 30S","38 45W"
"Abrolhos Seamounts","seamounts","17 20S","36 30W"
"Accomac Canyon","canyon","37 46N","74 02W"
"Acis Shoals","reefs","3 45N","112 39E"
"Acor Bank","bank","38 10N","29 20W"
"Adak Basin","basin","51 05N","177 00W"
"Adak Canyon","canyon","51 25N","177 05W"
"Adams Bank","bank","41 20S","176 00E"
"Adams Seamount","seamount","50 01N","176 14W"
"Adare Seamounts","seamounts","70 00S","171 30E"
"Addington Patch","reef","15 36N","114 24E"
"Adelie Valley","valley","65 30S","136 00E"
"Admundsen Trough","trough","70 30N","123 00W"
"Admundsen Valley","valley","71 30N","128 00W"
"Adolph Seamount","seamount","11 55S","178 10W"
"Adriatic Basin","basin","42 00N","17 30E"
"Adriatic Plain","plain","41 50N","17 55E"
"Adventure Bank","bank","37 20N","12 10E"
"Aegir Ridge","ridge","66 10N","3 45W"
"Africana II Bank","bank","46 00S","42 30E"
"Africana Seamount","seamount","37 10S","29 10E"
"Afungi Canyon","canyon","10 47S","40 47E"
"Agadir Canyon","canyon","32 30N","12 50W"
"Aganak Canyon","canyon","51 55N","177 18W"
"Agassiz Fracture Zone","fracture zone","38 15S","127 15W"
"Agassiz Valleys","valleys","24 00N","82 45W"
"Agattu Canyon","canyon","52 23N","172 35E"
"Agerholm Seamount","seamount","34 25N","135 35W"
"Aguja Canyon","canyon","11 40N","74 10W"
"Agulhas Bank","bank","35 30S","21 00E"
"Agulhas Basin","basin","47 00S","27 00E"
"Agulhas Plateau","plateau","40 00S","26 00E"
"Ahyi Seamount","seamount","20 25N","145 02E"
"Aja Fracture Zone","fracture zone","56 00N","145 00W"
"Akashi Knoll","knoll","8 12N","145 05E"
"Alaminos Bank","bank","28 01N","91 45W"
"Alaminos Canyon","canyon","26 30N","94 35W"
"Alarcon Seamount","seamount","23 37N","108 45W"
"Alaska Plain","plain","55 00N","143 00W"
"Albany Canyon","canyon","35 30S","118 10E"
"Albany Seamount","seamount","38 35N","37 15W"
"Albatross Bank","bank","56 10N","152 20W"
"Albatross Bank","shoal","17 40N","75 40W"
"Albatross Cordillera","cordillera","45 00S","115 00W"
"Albatross Knoll","knoll","33 00N","119 57W"
"Albatross Plateau","plateau","10 00N","103 00W"
"Albay Shoal","reef","9 57N","118 29E"
"Albemarle Shelf Valley","shelf valley","36 50N","75 21W"
"Alboran Basin","basin","36 00N","4 00W"
"Alboran Plain","plain","35 55N","3 50W"
"Alboran Ridge","ridge","35 55N","3 05W"
"Alboran Trough","trough","36 07N","3 00W"
"Alcala de Chivert Canyon","canyon","40 14N","1 25E"
"Alden Seamount","seamount","49 05N","158 45W"
"Alderdice Bank","bank","28 05N","92 00W"
"Alert Patches","reefs","4 09N","118 15E"
"Aleut Knoll","knoll","51 23N","175 54E"
"Aleut Valley","valley","51 15N","176 12E"
"Aleutian Basin","basin","57 00N","177 00E"
"Aleutian Ridge","ridge","51 30N","178 00W"
"Aleutian Rise","rise","49 50N","175 00E"
"Aleutian Terrace","terrace","50 40N","179 00W"
"Aleutian Trench","trench","51 00N","170 00W"
"Alexa Bank","reef","11 35S","175 20E"
"Alexander Agassiz Guyot","tablemount","17 54N","178 33E"
"Alexander Seamount","seamount","18 57N","153 28W"
"Alexandra Bank","reef","8 02N","110 37E"
"Alexandria Canyon","canyon","31 45N","30 00E"
"Alga Bank","bank","37 02N","13 29E"
"Algerian Basin","basin","40 00N","5 00E"
"Algerian-Tyrrhenian Trough","trough","38 21N","9 25E"
"Algol Seamount","seamount","2 15S","84 30W"
"Alice Reef","reef","4 46N","119 05E"
"Alice Shoal","reef","16 05N","79 22W"
"Alicia Annie Reef","reef","9 25N","115 28E"
"Alida Reef","reef","0 59N","107 51E"
"Alidade Bank","bank","35 45N","1 30W"
"Alison Reef","reef","8 49N","114 06E"
"Alix Seamount","seamount","17 31S","61 22E"
"Allegheny Seamount","seamount","36 52N","58 45W"
"Allison Guyot","tablemount","18 31N","179 36W"
"Almeria Canyon","canyon","36 33N","2 30W"
"Almirante Brown Canyon","canyon","46 10S","59 00W"
"Almirante Leite Knolls","knolls","26 07S","35 05E"
"Almirante Saldanha Seamount","seamount","22 30S","37 30W"
"Alpha Cordillera","cordillera","85 30N","125 00W"
"Alphard Banks","banks","35 02S","20 52E"
"Alphecca Seamount","seamount","18 20N","117 08W"
"Alsek Valley","valley","58 30N","139 30W"
"Altair Seamount","seamount","44 40N","34 00W"
"Altnacraig Shoal","reef","9 00N","118 20E"
"Alula-Fartak Trench","trench","14 04N","51 47E"
"Alvarado Ridge","ridge","5 30S","83 45W"
"Alvin Canyon","canyon","39 52N","70 30W"
"Amami Plateau","plateau","28 10N","132 10E"
"Amatignak Basin","basin","50 55N","179 38W"
"Amatignak Canyon","canyon","51 08N","179 28W"
"Amatignak Spur","spur","51 00N","179 25W"
"Amazon Canyons","canyons","3 30N","48 20W"
"Amazon Fan","fan","5 00N","47 30W"
"Ambelau Basin","basin","4 15S","126 40E"
"Amchitka Canyon","canyon","51 15N","179 53E"
"Amchitka Spur","spur","51 30N","179 45E"
"Ameghino Canyon","canyon","43 40S","57 20W"
"Amelia Canyon","canyon","12 53S","40 40E"
"Amerasia Basin","basin","80 00N","170 00W"
"America-Antarctic Ridge","ridge","59 00S","16 00W"
"America-Antarctica Ridge","ridge","59 00S","16 00W"
"Amery Basin","basin","68 15S","74 30E"
"Amirante Bank","bank","6 00S","53 10E"
"Amirante Basin","basin","7 00S","54 00E"
"Amirante Ridge","ridge","6 00S","53 10E"
"Amirante Trench","trench","8 00S","52 30E"
"Amlia Basin","basin","52 30N","173 00W"
"Amlia Canyon","canyon","52 54N","173 15W"
"Amlia Fracture Zone","fracture zone","50 00N","173 00W"
"Amlia Knoll","knoll","53 05N","173 53W"
"Ammen Basin","basin","42 50N","68 45W"
"Ammen Rock","reef","42 53N","68 55W"
"Ammen Swell","rise","42 50N","68 35W"
"Ampere Seamount","seamount","35 05N","13 00W"
"Amukta Canyon","canyon","53 10N","171 45W"
"Amundsen Plain","plain","65 00S","125 00W"
"Amundsen Trough","trough","70 30N","123 00W"
"Amy Douglas Bank","bank","10 50N","116 15E"
"An Rise","rise","49 30N","150 00E"
"Anatolian Trough","trough","40 00N","24 30E"
"Anaximander Ridge","ridge","35 30N","30 00E"
"Andaman Basin","basin","10 00N","94 00E"
"Andaman Nicobar Ridge","ridge","12 00N","93 00E"
"Andregg Seamount","seamount","25 46N","169 48E"
"Andrew Tablemount","tablemount","6 45N","50 30E"
"Anegada Gap","gap","18 20N","64 15W"
"Angola Basin","basin","15 00S","3 00E"
"Angola Plain","plain","15 00S","2 00E"
"Angria Bank","bank","16 30N","72 05E"
"Anguilla Bank","bank","18 30N","63 03W"
"Animal Basin","basin","31 20N","117 35W"
"Antalya Basin","basin","35 40N","31 30E"
"Antalya Canyon","canyon","36 40N","30 40E"
"Antelope Shoal","reef","8 44N","117 12E"
"Antialtair Seamount","seamount","43 37N","22 27W"
"Antoine Bank","bank","27 50N","92 18W"
"Anton Bruun Ridge","ridge","8 48S","51 45E"
"Anton Dohrn Seamount","seamount","57 30N","11 00W"
"Aotea Knoll","knoll","37 35S","172 03E"
"Apache Trough","trough","51 00N","164 39E"
"Appelbaum Bank","bank","27 51N","94 15W"
"Applequist Seamount","seamount","55 25N","142 45W"
"Apuupuu Seamount","seamount","18 34N","155 28W"
"Aquitaine Shelf","shelf","44 50N","1 42W"
"Arabian Basin","basin","11 30N","65 00E"
"Arafura Shelf","shelf","10 00S","137 00E"
"Arakane Reef","reef","15 37N","142 45E"
"Archimedes Seamount","seamount","13 19N","110 28W"
"Ardasier Reefs","reefs","7 36N","114 17E"
"Arena Canyon","canyon","38 58N","124 07W"
"Argentina Seamount","seamount","37 25S","18 10E"
"Argentine Basin","basin","45 00S","45 00W"
"Argentine Plain","plain","47 30S","50 00W"
"Argo Bank","tablemount","23 30S","159 15E"
"Argo Fracture Zone","fracture zone","13 45S","66 10E"
"Argo Plain","plain","14 00S","117 00E"
"Arguello Canyon","canyon","34 21N","121 05W"
"Arguello Fan","fan","34 00N","122 00W"
"Arguello Terrace","terrace","34 30N","120 55W"
"Ariel Bank","reefs","38 43S","178 18E"
"Arlington Reef","reef","16 43S","146 02E"
"Arlis Gap","gap","84 00N","170 00E"
"Arlis Spur","spur","75 45N","179 30E"
"Armoricain Seamount","seamount","46 27N","12 25W"
"Armoricain Shelf","shelf","46 50N","3 20W"
"Arrowsmith Bank","reef","21 05N","86 28W"
"Arroyo Seamount","seamount","6 15N","22 40W"
"Artimon Bank","bank","45 10N","58 00W"
"Aru Basin","basin","5 00S","134 00E"
"Aruba Gap","gap","13 45N","72 00W"
"Ascension Canyon","canyon","36 55N","122 28W"
"Ascension Fracture Zone","fracture zone","7 20S","14 00W"
"Ashmore Reef","reef","12 14S","123 05E"
"Ashton Seamount","seamount","38 00N","13 20W"
"Asterias Seamount","seamount","38 54N","65 18W"
"Astoria Canyon","canyon","46 15N","124 30W"
"Astoria Fan","fan","45 15N","126 15W"
"Astoria Seachannel","seachannel","45 00N","125 50W"
"Astrid Ridge","ridge","68 00S","12 00E"
"Astrolabe Reefs","reefs","19 49S","165 35E"
"Astrolabe Trough","trough","19 30S","178 30E"
"Atka Basin","basin","51 20N","174 00W"
"Atka Canyon","canyon","52 45N","173 47W"
"Atka Seamount","seamount","50 16N","175 10W"
"Atlantic-Indian Basin","basin","60 00S","15 00E"
"Atlantic-Indian Ridge","ridge","53 00S","15 00E"
"Atlantis Canyon","canyon","39 52N","70 12W"
"Atlantis Fracture Zone","fracture zone","30 00N","42 00W"
"Atlantis II Fracture Zone","fracture zone","33 00S","57 00E"
"Atlantis II Seamounts","seamounts","38 27N","63 07W"
"Atlantis Seamount","seamount","34 00N","30 15W"
"Atwater Valley","valley","27 30N","87 30W"
"Auckland Islands Shelf","shelf","50 25S","167 00E"
"Aucklands Spur","spur","52 00S","165 25E"
"August Canyon","canyon","52 30N","176 51E"
"Aurora Reef","reef","0 43N","129 32E"
"Austell Spur","spur","48 15N","11 00W"
"Austral Fracture Zone","fracture zone","20 00S","130 30W"
"Austral Fracture Zone","fracture zone","19 30S","126 00W"
"Austral Seamounts","seamounts","22 40S","152 45W"
"Avalon Knoll","knoll","33 24N","118 13W"
"Aves Apron","apron","15 00N","65 00W"
"Aves Ridge","ridge","14 00N","63 30W"
"Aviles Canyon","canyon","43 55N","6 19W"
"Avon Canyon","canyon","6 10N","3 55E"
"Axarfjardhardjup","valley","66 26N","16 53W"
"Ayers Seamount","seamount","26 16N","166 25E"
"Ayu Trough","trough","3 30N","132 30E"
"Ayugadak Canyon","canyon","51 30N","178 07E"
"Azores Plateau","plateau","39 00N","30 00W"
"Azores-Biscay Rise","rise","42 40N","19 00W"
"Azores-Gibraltar Ridge","ridge","37 00N","16 00W"
"Azur Fan","fan","43 25N","7 30E"
"Babylon Canyon","canyon","39 30N","71 56W"
"Baccaro Bank","bank","43 00N","64 48W"
"Baffin Basin","basin","73 15N","67 00W"
"Bagration Seamount","seamount","15 25S","6 27W"
"Bahama Escarpment","escarpment","23 15N","74 00W"
"Bahia Blanca Canyon","canyon","41 25S","54 20W"
"Bain Fracture Zone","fracture zone","46 00S","32 20E"
"Baird Seamounts","seamounts","16 15N","162 20W"
"Baja California Seamount Province","province","26 00N","124 00W"
"Bajapa Reef","reef","4 40N","119 06E"
"Baker Fan","fan","55 14N","136 07W"
"Baker Reef","reef","10 44N","116 10E"
"Baker Seachannel","seachannel","54 34N","137 15W"
"Bakkafloadjup","valley","66 15N","14 00W"
"Balabac Great Reefs","reefs","7 56N","116 55E"
"Balanus Seamount","seamount","39 25N","65 23W"
"Baldwin Bank","reef","12 52S","126 10E"
"Balearic Plain","plain","40 30N","6 00E"
"Balfour Shoal","reef","15 27N","114 00E"
"Bali Basin","basin","7 50S","116 00E"
"Balleny Basin","basin","67 00S","170 00E"
"Balleny Fracture Zone","fracture zone","62 00S","156 00E"
"Balleny Seamounts","seamounts","61 00S","161 30E"
"Balleny Trough","trough","66 00S","158 00E"
"Balmoral Reef","reef","15 40S","175 52E"
"Baltimore Canyon","canyon","38 03N","73 44W"
"Bampton Reefs","reefs","19 15S","158 22E"
"Banc de la Sentinelle","bank","38 00N","9 42E"
"Banda Reef","reef","3 50N","118 01E"
"Banda Trench","trench","5 00S","131 00E"
"Banderas Canyon","canyon","20 30N","105 46W"
"Bankok Shoal","reef","16 00N","114 05E"
"Banks Rise","rise","75 30N","132 00W"
"Banks Shelf","shelf","73 00N","126 00W"
"Banks Slope","slope","74 30N","128 00W"
"Banquereau","bank","44 30N","58 30W"
"Banzare Seamounts","seamounts","58 50S","77 44E"
"Baranof Fan","fan","55 49N","137 22W"
"Baranof Seachannel","seachannel","55 00N","137 30W"
"Barbados Ridge","ridge","12 45N","59 35W"
"Barbados Trough","trough","12 00N","59 23W"
"Barcoo Tablemount","tablemount","32 20S","156 20E"
"Bardin Seamount","seamount","13 56S","53 38E"
"Barents Plain","plain","83 00N","35 00E"
"Barents Trough","trough","75 00N","29 00E"
"Barkley Canyon","canyon","48 15N","126 10W"
"Barlas Bank","bank","54 00S","37 20W"
"Barque Canada Reef","reef","8 12N","113 19E"
"Barra Fan","fan","56 50N","10 00W"
"Barracouta Reef","reef","12 36S","124 02E"
"Barracuda Fracture Zone","fracture zone","16 00N","51 00W"
"Barracuda Plain","plain","17 00N","56 30W"
"Barracuda Reef","reef","8 54N","118 07E"
"Barracuda Ridge","ridge","16 10N","57 00W"
"Barren Ridge","ridge","12 15N","93 30E"
"Barrier Plateau","plateau","35 40S","175 45E"
"Barrow Canyon","canyon","72 30N","154 00W"
"Barrow Sill","sill","79 30N","96 30W"
"Barwon Bank","bank","26 30S","153 35E"
"Bass Canyon","canyon","38 40S","149 05E"
"Bassett Shoal","reef","15 28N","114 10E"
"Batavia Seamount","seamount","25 45S","100 20E"
"Bathymetrists Seamounts","seamounts","7 30N","21 30W"
"Batjan Basin","basin","1 00S","126 45E"
"Batt Reef","reef","16 25S","145 46E"
"Bauer Basin","basin","10 00S","101 45W"
"Bauer Fracture Zone","fracture zone","15 00S","100 00W"
"Bauer Scarp","scarp","8 00S","103 30W"
"Bayonnaise Bank","seamount","12 07S","179 43W"
"Beachport Terrace","terrace","38 00S","139 00E"
"Beagle Reef","reef","15 17S","123 28E"
"Bean Seamount","seamount","52 15N","147 00W"
"Bear Seamount","seamount","39 55N","67 25W"
"Bear Valley","valley","40 29N","124 45W"
"Beata Escarpment","escarpment","16 10N","72 50W"
"Beata Plateau","plateau","14 40N","71 00W"
"Beata Ridge","ridge","16 00N","72 30W"
"Beata Spur","spur","14 40N","71 40W"
"Beaton Seamount","seamount","26 05N","162 50E"
"Beaufort Reef","reef","4 24N","118 45E"
"Beaufort Rise","rise","72 00N","143 30W"
"Beaufort Shelf","shelf","70 00N","142 30W"
"Beaufort Slope","slope","71 00N","145 00W"
"Beaufort Terrace","terrace","73 00N","140 00W"
"Beaufort Valley","valley","32 18N","78 10W"
"Beauge Bank","bank","49 45N","60 09W"
"Beethoven Ridge","ridge","26 14N","159 00W"
"Beirut Canyon","canyon","33 55N","35 10E"
"Belem Ridge","ridge","0 05N","40 45W"
"Belgica Bank","bank","78 28N","15 00W"
"Belgrano Bank","bank","73 00S","48 30W"
"Belize Fan","fan","18 00N","86 30W"
"Belle-Ile Canyon","canyon","46 20N","4 47W"
"Bellingshausen Plain","plain","64 00S","90 00W"
"Bellini Seamount","seamount","32 42N","163 11W"
"Bellona Plateau","plateau","20 30S","158 30E"
"Bellona Reefs","reefs","21 00S","159 00E"
"Bellona Saddle","saddle","36 45S","166 30E"
"Bellona Shoal","reef","21 00S","159 45E"
"Bellona Valley","valley","40 00S","165 45E"
"Bellsund Valley","valley","77 20N","12 50E"
"Benham Plateau","plateau","16 30N","124 45E"
"Benham Seamount","seamount","15 48N","124 15E"
"Benicarlo Canyon","canyon","40 21N","1 22E"
"Benicasim Canyon","canyon","40 08N","1 25E"
"Benrinnes Reef","reef","5 51N","118 45E"
"Beothuk Knoll","knoll","46 06N","46 30W"
"Bering Canyon","canyon","54 08N","168 15W"
"Bering Channel","seachannel","54 40N","172 30W"
"Bering Spur","spur","54 11N","168 22E"
"Bering Strait Valley","valley","65 45N","168 30W"
"Berkeley Canyon","canyon","38 57N","72 45W"
"Berkner Bank","bank","75 00S","48 00W"
"Berlanga Rise","rise","8 30N","93 30W"
"Berlin Seamount","seamount","32 51N","166 00W"
"Bermuda Rise","rise","32 30N","65 00W"
"Bernoulli Seamount","seamount","18 10N","111 50W"
"Berufjardharall","valley","64 08N","13 25W"
"Bethel Shoal","shoal","27 44N","80 11W"
"Bethune Bank","reef","19 35S","174 15W"
"Beveridge Reef","reef","20 02S","167 52W"
"Bicentenary Seamount","seamount","19 24S","175 28W"
"Bill Baileys Bank","seamount","60 35N","10 15W"
"Bird Canyon","canyon","51 24N","178 15E"
"Biscay Plain","plain","45 00N","7 15W"
"Biscay Seamount","seamount","45 25N","10 35W"
"Bishop Rock","reef","32 27N","119 08W"
"Bishop Seamount","seamount","18 50N","159 02W"
"Bittern Reef","reef","9 14N","113 40E"
"Bizerte Canyon","canyon","38 23N","10 00E"
"Bizet Seamount","seamount","32 16N","161 38W"
"Black Mud Canyon","canyon","47 40N","7 42W"
"Blackfin Ridge","ridge","26 00N","159 00W"
"Blackhaw Seamounts","seamounts","14 00N","167 55W"
"Blacks Basin","basin","43 08N","69 18W"
"Blake Basin","basin","29 00N","76 00W"
"Blake Canyon","canyon","30 13N","76 03W"
"Blake Escarpment","escarpment","29 00N","76 45W"
"Blake Knolls","knolls","32 17N","118 15W"
"Blake Plateau","terrace","31 00N","79 00W"
"Blake Reef","reef","4 44N","119 13E"
"Blake Spur","spur","30 00N","76 30W"
"Blake-Bahama Ridge","ridge","29 00N","73 30W"
"Blanco Fracture Zone","fracture zone","43 30N","128 00W"
"Blanco Saddle","saddle","42 35N","125 30W"
"Blanco Trench","trench","44 20N","130 00W"
"Blavet Canyon","canyon","46 37N","4 52W"
"Bligh Bank","shoal","51 36N","2 46E"
"Block Canyon","canyon","39 50N","71 16W"
"Block Island Ridge","ridge","41 06N","71 32W"
"Block Island Shelf Valley","shelf valley","40 35N","71 37W"
"Blue Ridge Seamount","seamount","15 08N","117 06E"
"Boa Vista Seamount","seamount","15 48N","22 08W"
"Bobrof Canyon","canyon","51 57N","177 32W"
"Bode Verde Fracture Zone","fracture zone","11 00S","16 30E"
"Bodega Canyon","canyon","38 14N","123 35W"
"Bogorov Seamount","seamount","42 30N","136 30E"
"Bogoslof Canyon","canyon","53 55N","167 48W"
"Bolles Knoll","knoll","49 00N","157 45W"
"Bollons Tablemount","tablemount","49 40S","176 10W"
"Bombay Castle","reef","7 56N","111 42E"
"Bombay Shoal","reef","9 26N","116 55E"
"Bon Homme Richard Seamount","seamount","19 21N","175 33W"
"Bonaire Basin","basin","11 25N","67 30W"
"Bonaparte Basin","basin","13 00S","128 00E"
"Bonaparte Seamount","seamount","15 50S","6 50W"
"Bone Basin","basin","6 00S","121 00E"
"Bonin Ridge","ridge","26 30N","142 30E"
"Bonin Seamounts","seamounts","26 00N","144 00E"
"Bonin Trench","trench","23 00N","145 00E"
"Bonnecamps Canyon","canyon","43 05N","60 25W"
"Booshu Spur","spur","63 34N","172 17W"
"Boot Reefs","reefs","10 01S","144 39E"
"Borchgrevink Canyon","canyon","70 15S","170 15E"
"Boreas Basin","basin","77 30N","1 00E"
"Boreas Plain","plain","77 00N","1 00E"
"Borneo Shoal","reef","7 20N","117 30E"
"Bougainville Reef","reef","15 30S","147 06E"
"Bouma Bank","bank","28 03N","92 27W"
"Boundary Bank","knoll","32 28N","117 37W"
"Bounty Seachannel","seachannel","46 32S","177 30E"
"Bounty Trough","trough","46 00S","178 00E"
"Boutelle Seamount","seamount","39 01N","131 05W"
"Bouvet Fracture Zone","fracture zone","55 00S","001 00E"
"Bowditch Seamount","seamount","32 44N","64 33W"
"Bowers Bank","bank","54 18N","179 30E"
"Bowers Basin","basin","53 45N","176 00E"
"Bowers Canyon","canyon","52 50N","179 25W"
"Bowers Canyon","canyon","71 55S","172 30E"
"Bowers Ridge","ridge","54 00N","180 00E"
"Bowers Seamount","seamount","54 05N","174 47E"
"Bowie Canyon","canyon","52 34N","179 00E"
"Bowie Seamount","seamount","53 18N","135 38W"
"Bowlers Reef","reef","41 43S","174 18E"
"Bowling Bank","bank","33 58S","172 15E"
"Boxall Reef","reef","9 36N","116 11E"
"Boyd Seamount","seamount","72 41N","2 55E"
"Bradelle Bank","bank","47 25N","62 55W"
"Bradley Reefs","reefs","6 52S","160 48E"
"Braemer Ridge","ridge","15 45S","177 00E"
"Brahms Seamount","seamount","31 09N","162 19W"
"Bransfield Trough","trough","61 30S","54 00W"
"Brategg Bank","bank","65 16S","68 35W"
"Brazil Basin","basin","15 00S","25 00W"
"Breidhamerkurdjup","valley","63 37N","15 40W"
"Bremen Bank","reef","16 18N","112 28E"
"Bremer Canyon","canyon","35 00S","119 55E"
"Brigham Seamount","seamount","19 08N","158 44W"
"Bright Bank","bank","27 53N","93 18W"
"Brisbane Tablemount","tablemount","26 45S","155 00E"
"Bristol Canyon","canyon","54 55N","169 00W"
"Britannia Tablemount","tablemount","28 20S","155 35E"
"Britannia Tablemounts","tablemounts","28 15S","155 30E"
"Broad Canyon","canyon","51 12N","175 51E"
"Broke Canyon","canyon","35 25S","116 10E"
"Broken Ridge","plateau","31 30S","95 00E"
"Broken-Top Guyot","tablemount","26 05N","144 10E"
"Bromley Plateau","plateau","32 00S","35 00W"
"Brooks Banks","banks","24 05N","166 50W"
"Broughton Gap","gap","42 39S","171 44W"
"Brouwer Seamount","seamount","32 00S","109 00E"
"Brown Bank","bank","21 30N","74 44W"
"Brown Bear Seamount","seamount","46 01N","130 25W"
"Brown Reef","reef","10 39N","117 27E"
"Brown Seamount","seamount","55 00N","138 30W"
"Brownes Bank","bank","36 25S","21 15E"
"Browns Bank","bank","42 40N","66 05W"
"Bruce Ridge","ridge","60 00S","35 00W"
"Bruce Spur","spur","63 30S","101 15E"
"Bryan Seamount","seamount","17 55N","152 44W"
"Bryant Bank","bank","28 01N","92 28W"
"Bryant Seamount","seamount","49 20N","157 57W"
"Buccaneer Bank","bank","21 25N","80 08W"
"Buell Seamount","seamount","39 05N","66 24W"
"Buffington Seamount","seamount","24 15N","167 26E"
"Bukhti Canyon","canyon","51 47N","177 33E"
"Buldir Basin","basin","52 12N","176 42E"
"Buldir Reef","reef","52 09N","176 21E"
"Bull Pen, The","basin","44 15N","61 35W"
"Bullard Fracture Zone","fracture zone","58 02S","12 00W"
"Bulldog Bank","bank","10 02S","50 56E"
"Bulls Scarp","escarpment","32 35N","78 37W"
"Burdick Knoll","knoll","45 51N","157 48W"
"Burdwood Bank","plateau","54 15S","59 00W"
"Burgeo Bank","bank","47 10N","57 55W"
"Burica Canyon","canyon","8 00N","82 45W"
"Burton Seamount","seamount","32 00S","171 45W"
"Buru Basin","basin","2 30S","127 00E"
"Busch Seamount","seamount","27 40N","161 50E"
"Bushett Reefs","reefs","42 42S","173 30E"
"Bushnell Knoll","knoll","31 24N","119 00W"
"Butung Basin","basin","6 00S","123 30E"
"Byrd Canyon","canyon","75 30S","157 15W"
"Cabliers Bank","bank","35 48N","2 18W"
"Cabo Creus Canyon","canyon","42 21N","3 29E"
"Cabrillo Seamount","seamount","22 50N","109 15W"
"Cadamosto Seamount","seamount","14 40N","24 55W"
"Caesar Seamount","seamount","40 13N","12 15E"
"Cagayan Canyon","canyon","18 25N","121 36E"
"Cagliari Canyon","canyon","38 55N","9 27E"
"Cagliari Trough","trough","38 49N","9 27E"
"Calabar Canyon","canyon","3 53N","8 14E"
"California Seamount","seamount","17 50N","124 00W"
"Callou Bank","reef","9 21N","107 45E"
"Caloosahatchee Seamount","seamount","34 40N","49 45W"
"Camaguey Ridge","ridge","20 00N","82 00W"
"Cameron Canyon","canyon","43 05N","49 39W"
"Campbell Bank","bank","41 46S","174 44E"
"Campbell Island Shelf","shelf","52 15S","169 30E"
"Campbell Plateau","plateau","51 00S","170 00E"
"Campbell Seachannel","seachannel","47 15S","173 30E"
"Campbell Seamount","seamount","50 15N","141 55W"
"Campbell Spur","spur","55 00S","166 00E"
"Campeche Bank","bank","22 00N","90 00W"
"Campeche Canyon","canyon","20 30N","92 30W"
"Campeche Escarpment","escarpment","24 35N","87 00W"
"Canada Basin","basin","80 00N","145 00W"
"Canada Plain","plain","80 00N","140 00W"
"Canary Basin","basin","30 00N","25 00W"
"Canary Ridge","ridge","28 00N","15 00W"
"Cano Seamount","seamount","10 16N","110 00W"
"Canso Bank","bank","45 10N","60 20W"
"Cantabria Knoll","knoll","45 04N","7 59W"
"Cantor Seamount","seamount","16 19N","109 22W"
"Cap Breton Canyon","canyon","43 40N","1 50W"
"Cap Ferret Canyon","canyon","44 42N","2 30W"
"Cape Basin","basin","37 00S","7 00E"
"Cape Fear Terrace","terrace","33 14N","77 21W"
"Cape Johnson Tablemount","tablemount","17 08N","177 15W"
"Cape Johnson Trough","trough","8 45S","165 15E"
"Cape Knoll","knoll","52 34N","176 29E"
"Cape Lookout Shoals","shoals","34 30N","76 30W"
"Cape Plain","plain","34 45S","6 00E"
"Cape Rise","rise","42 00S","15 00E"
"Cape Verde Basin","basin","15 00N","30 00W"
"Cape Verde Plain","plain","23 00N","26 00W"
"Cape Verde Seamount","seamount","15 20N","21 52W"
"Cape Verde Terrace","terrace","18 00N","20 00W"
"Capel Tablemount","tablemount","25 16S","159 15E"
"Capricorn Sill","sill","18 45S","154 00E"
"Capricorn Tablemount","tablemount","18 35S","172 12W"
"Carbonara Ridge","ridge","38 47N","9 35E"
"Cardno Tablemount","tablemount","12 53S","6 08W"
"Cardonal Canyon","canyon","22 51N","110 00W"
"Cargados Carajos Bank","bank","16 30S","59 45E"
"Cargo Canyon","canyon","52 27N","176 30E"
"Cariaco Basin","basin","10 37N","65 10W"
"Carlisle Canyon","canyon","53 28N","170 15W"
"Carlsbad Canyon","canyon","33 06N","117 24W"
"Carlsberg Ridge","ridge","6 00N","61 00E"
"Carmel Canyon","canyon","36 32N","121 58W"
"Carmen Basin","basin","26 20N","110 40W"
"Carnatic Shoal","reef","10 06N","117 21E"
"Carnegie Ridge","ridge","1 00S","85 00W"
"Carnegie Seamount","seamount","0 15S","81 53W"
"Caroline Ridge","ridge","8 00N","150 00E"
"Carondelet Reef","reef","5 33S","173 50W"
"Carpenter Shoal","reef","16 04N","114 17E"
"Carson Canyon","canyon","45 27N","48 39W"
"Carstens Valley","valley","38 26N","70 42W"
"Carter Seamount","seamount","8 58N","21 10W"
"Carteret Canyon","canyon","38 52N","72 50W"
"Caryn Seamount","seamount","36 40N","67 56W"
"Cascadia Basin","basin","47 00N","127 30W"
"Cascadia Gap","gap","43 35N","128 30W"
"Cascadia Plain","plain","47 00N","127 30W"
"Cascadia Seachannel","seachannel","43 30N","130 00W"
"Cascais Canyon","canyon","38 20N","9 35W"
"Cashes Basin","basin","42 53N","69 04W"
"Cashes Ledge","ridge","42 53N","68 55W"
"Castellammare Canyon","canyon","38 47N","13 37E"
"Castle Rock Seamount","seamount","36 17N","51 21W"
"Castor Bank","reef","12 51S","47 38E"
"Castor Guyot","tablemount","25 50N","147 00E"
"Caswell Spur","spur","44 45S","166 40E"
"Cat Gap","gap","24 30N","74 30W"
"Cat Shoals","shoals","70 37N","149 05W"
"Catalina Basin","basin","33 10N","118 30W"
"Catalina Canyon","canyon","33 23N","118 33W"
"Catalina Escarpment","escarpment","33 16N","118 25W"
"Cathay Shoal","reef","15 54N","113 58E"
"Cathedral Trough","trough","53 00S","165 15E"
"Cato Trough","trough","23 10S","155 00E"
"Catoche Knoll","knoll","23 48N","85 10W"
"Catoche Tongue","tongue","23 30N","86 00W"
"Cavalli Canyons","canyons","34 47S","174 05E"
"Cawston Shoal","reef","15 31N","113 46E"
"Cay Sal Bank","reefs","23 45N","80 00W"
"Cayman Bank","reef","19 19N","81 34W"
"Cayman Ridge","ridge","19 30N","80 30W"
"Cayman Trench","trench","19 00N","80 00W"
"Ceara Plain","plain","0 00N","36 30W"
"Ceara Plateau","plateau","3 15S","37 30W"
"Ceara Ridge","ridge","4 30N","43 30W"
"Ceara Terrace","terrace","2 10S","39 15W"
"Cedros Escarpment","escarpment","27 30N","115 30W"
"Cedros Trench","trench","27 45N","115 45W"
"Ceduna Canyon","canyon","35 45S","132 45E"
"Ceduna Terrace","terrace","35 00S","132 00E"
"Celebes Basin","basin","4 00N","122 00E"
"Celestial Reef","reef","54 32N","131 27W"
"Celestial Seamount","seamount","3 03S","169 19W"
"Celtic Shelf","shelf","49 15N","7 00W"
"Central Basin","basin","73 30N","43 00E"
"Central Basin Trough","trough","16 45N","130 00E"
"Central Pacific Basin","basin","5 00N","175 00W"
"Central Reef","reef","8 55N","112 21E"
"Central Slope","slope","27 10N","92 50W"
"Central Terrace","terrace","27 50S","34 15E"
"Central Viti Canyon","canyon","39 03S","172 29E"
"Centre Bank","bank","41 30S","174 45E"
"Centre Seachannel","seachannel","46 13S","172 45E"
"Ceram Trough","trench","2 25S","129 30E"
"Cermeno Seamount","seamount","10 23N","108 46W"
"Cerralvo Seamount","seamount","24 12N","109 35W"
"Cerralvo Trough","trough","24 15N","109 45W"
"Ceuta Canyon","canyon","35 55N","5 18W"
"Ceva-i-Ra","reef","21 45S","174 35E"
"Ceylon Plain","plain","4 00S","82 00E"
"Chagos Bank","bank","6 15S","72 00E"
"Chagos Trench","trench","7 00S","73 30E"
"Chagos-Laccadive Plateau","plateau","3 00N","73 00E"
"Chagulak Canyon","canyon","53 15N","171 20W"
"Chain Fracture Zone","fracture zone","2 00S","16 00W"
"Chain Knoll","knoll","28 14N","68 26W"
"Chain Ridge","ridge","6 00N","54 00E"
"Challenger Bank","tablemount","32 05N","65 03W"
"Challenger Deep","deep","11 20N","142 12E"
"Challenger Fracture Zone","fracture zone","34 00S","110 00W"
"Challenger Plateau","plateau","40 00S","169 30E"
"Chambers Knoll","reef","4 49N","119 13E"
"Chamorro Seamount","seamount","20 18N","144 42E"
"Champlain Seamount","seamount","20 15S","37 20W"
"Chaplino Valley","valley","64 10N","171 47W"
"Charcot Fan","fan","66 00S","86 00W"
"Charcot Seamounts","seamounts","45 00N","11 30W"
"Charles Quint","reef","34 56N","11 52E"
"Charleston Valley","valley","32 42N","77 50W"
"Charlie Gap","gap","78 00N","171 00W"
"Charlie-Gibbs Fracture Zone","fracture zone","52 45N","35 30W"
"Charlotte Bank","reef","7 07N","107 37E"
"Charlotte Bank","knoll","11 47S","173 13E"
"Chase Seamount","seamount","42 04N","139 35W"
"Chatham Rise","rise","43 30S","180 00E"
"Chautauqua Seamount","seamount","22 10N","162 40W"
"Chazhma Canyon","canyon","55 09N","162 00E"
"Chebacco Canyon","canyon","40 12N","67 57W"
"Chelan Bank","bank","54 04N","166 34W"
"Chelan Seamount","seamount","49 45N","131 32W"
"Cheref Seamount","seamount","19 55N","145 28E"
"Cherkis Seamount","seamount","43 23N","25 43W"
"Chile Basin","basin","33 00S","80 00W"
"Chile Rise","rise","40 00S","90 00W"
"Chinook Trough","trough","44 00N","173 45W"
"Chirikof Basin","basin","64 30N","169 00W"
"Chirikof Seamount","seamount","54 50N","153 00W"
"Chopin Seamount","seamount","26 08N","162 03W"
"Christiaensen Basin","basin","40 27N","49 45W"
"Christian Canyon","canyon","62 00N","39 00W"
"Christmas Ridge","ridge","5 00N","160 00W"
"Christmas Rise","rise","13 00S","103 00E"
"Chuckchi Borderland","borderland","77 00N","165 00W"
"Chukchi Plain","plain","77 00N","172 00W"
"Chukchi Plateau","plateau","78 00N","165 00W"
"Chukchi Rise","rise","78 00N","165 00W"
"Chuo-goto Seachannels","seachannels","33 15N","128 10E"
"Cilicia Trough","trough","35 50N","33 30E"
"Cindy Seamount","seamount","7 40N","21 25W"
"Cipangu Basin","basin","35 00N","150 00E"
"Circeo Terrace","terrace","41 05N","12 45E"
"Clairaut Seamount","seamount","17 59N","110 29W"
"Clarence Trough","trough","55 10N","131 52W"
"Clarion Bank","bank","20 50N","74 00W"
"Clarion Fracture Zone","fracture zone","18 00N","122 00W"
"Clark Basin","basin","10 50N","80 40W"
"Clark Reef","reef","8 05S","139 40W"
"Clark Seamount","seamount","20 00N","157 38W"
"Clayoquot Canyon","canyon","49 00N","126 37W"
"Claypile Bank","bank","28 20N","94 10W"
"Clifford Smith Canyon","canyon","44 35N","49 05W"
"Clipper Canyon","canyon","40 00N","68 40W"
"Clipperton Fracture Zone","fracture zone","10 00N","115 00W"
"Clipperton Ridge","ridge","10 30N","110 00W"
"Clipperton Seamounts","seamounts","8 00N","111 00W"
"Cobb Fracture Zone","fracture zone","47 20N","130 00W"
"Cobb Seamount","seamount","46 46N","130 49W"
"Cochrane Bank","reef","3 50N","113 15E"
"Coco-de-Mer Seamounts","seamounts","0 30N","56 00E"
"Cocos Basin","basin","5 00S","94 00E"
"Cocos Plain","plain","3 00S","93 30E"
"Cocos Ridge","ridge","5 30N","86 00W"
"Cocos-Keeling Rise","rise","13 00S","96 00E"
"Coiba Ridge","ridge","6 30N","81 45W"
"Colahan Seamount","seamount","31 15N","176 00E"
"Colbeck Basin","basin","77 00S","159 30W"
"Colmer Knoll","knoll","20 28N","86 12W"
"Colnett Basin","basin","30 50N","117 00W"
"Colombian Basin","basin","13 00N","76 00W"
"Colombian Plain","plain","13 00N","76 00W"
"Colombian Trench","trench","4 45N","78 15W"
"Colon Ridge","ridge","2 00N","96 00W"
"Colorado Seamount","seamount","33 15N","37 20W"
"Columbia Ledge","reef","43 57N","68 08W"
"Columbia Seamount","seamount","20 30S","32 00W"
"Columbus Knoll","knoll","24 35N","74 13W"
"Colville Ridge","ridge","34 30S","177 30E"
"Colvocoresses Reef","reef","4 53N","72 37E"
"Combe Bank","seamount","12 32S","177 35W"
"Combe Shoal","reef","15 48N","113 54E"
"Comino Ridge","ridge","40 40N","10 16E"
"Comino Trough","trough","40 40N","10 10E"
"Commodore Reef","reef","8 23N","115 14E"
"Comoro Basin","basin","14 00S","44 00E"
"Comoro Plain","plain","13 45S","44 30E"
"Comstock Seamount","seamount","48 15N","156 55W"
"Conception Bank","bank","29 30N","12 45W"
"Condor Bank","seamount","7 30N","148 04E"
"Condor Reef","reef","8 05N","147 51E"
"Conducia Canyon","canyon","14 55S","40 50E"
"Congo Canyon","canyon","6 00S","11 50E"
"Congo Fan","fan","6 00S","9 00E"
"Congolene Canyon","canyon","16 06S","40 15E"
"Congress Seamount","seamount","33 07N","54 49W"
"Connell Reef","reef","5 07N","112 35E"
"Conrad Fracture Zone","fracture zone","56 00S","4 00W"
"Conrad Seamount","seamount","29 45S","168 00W"
"Constantine Seamount","seamount","20 30S","171 20E"
"Constantine Valley","valley","51 27N","179 30E"
"Conway Ridge","ridge","42 40S","173 39E"
"Conway Trough","valley","42 40S","173 35E"
"Cook Bank","bank","50 56N","128 40W"
"Cook Canyon","canyon","43 17S","169 35E"
"Cook Seachannel","seachannel","43 30S","166 00E"
"Cook Strait Canyon","canyon","41 20S","174 35E"
"Cook Trough","trough","51 06N","128 18W"
"Cooper Ridge","ridge","10 15N","150 30W"
"Coral Patch Seamount","seamount","34 56N","11 57W"
"Coral Sea Basin","basin","14 00S","152 00E"
"Cordell Bank","bank","38 00N","123 25W"
"Coriolis Trough","trough","19 30S","170 00E"
"Corner Seamounts","seamounts","35 30N","51 30W"
"Cornwallis South Reef","reef","8 45N","114 14E"
"Coronado Bank","bank","32 35N","117 24W"
"Coronado Canyon","canyon","32 30N","117 22W"
"Coronado Escarpment","escarpment","32 36N","117 26W"
"Correira Guyot","tablemount","6 29S","57 11E"
"Corsair Canyon","canyon","41 20N","66 11W"
"Corsica Terrace","terrace","41 40N","9 50E"
"Cortes Bank","knoll","32 28N","119 10W"
"Coulee Canyon","canyon","51 42N","176 21E"
"Coulee Spur","spur","51 53N","176 24E"
"Cow Pen, The","basin","44 12N","61 25W"
"Cowie Seamount","seamount","54 15N","149 30W"
"Cox Ledge","bank","41 06N","71 10W"
"Cramer Seamount","seamount","24 06N","164 13E"
"Crary Bank","bank","75 00S","169 00E"
"Crary Seamount","seamount","84 00N","135 00W"
"Crawford Seamount","tablemount","38 45S","11 10W"
"Creagh Reef","reef","4 22N","118 38E"
"Crescent Seamount","seamount","33 13N","65 38W"
"Crespi Knoll","knoll","33 06N","117 52W"
"Crest Basin","basin","52 26N","174 54E"
"Crest Knoll","knoll","52 29N","174 55E"
"Crest Seamount","seamount","24 35N","117 05W"
"Cretan Trough","trough","36 00N","25 00E"
"Crosley Seamount","seamount","16 55N","152 26W"
"Cross Seamount","seamount","18 45N","158 15W"
"Crough Seamount","seamount","24 45S","121 45W"
"Crowell Basin","basin","42 55N","67 20W"
"Crowther Canyon","canyon","49 48N","127 45W"
"Crozet Basin","basin","39 00S","60 00E"
"Crozet Plateau","plateau","46 00S","51 00E"
"Crozet Ridge","ridge","45 00S","45 00E"
"Cruiser Tablemount","tablemount","32 00N","28 00W"
"Crumb Seamount","seamount","43 28N","23 15W"
"Cuarteron Reef","reef","8 50N","112 47E"
"Cultivator Shoal","shoal","41 30N","68 10W"
"Curacao Ridge","ridge","13 00N","68 00W"
"Currituck Seamount","seamount","30 00S","173 30W"
"Cutts Knoll","knoll","49 18N","157 25W"
"Cuvier Basin","basin","22 00S","111 00E"
"Cuvier Plain","plain","22 00S","111 00E"
"Cuvier Plateau","plateau","24 00S","108 00E"
"Cyprus Basin","basin","33 40N","34 00E"
"D'Entrecasteaux Canyon","canyon","35 20S","115 50E"
"Dacia Seamount","seamount","31 10N","13 42W"
"Dai-go-goto Bank","bank","33 11N","128 14E"
"Dai-ichi-goto Bank","bank","33 22N","128 44E"
"Dai-ni-goto Bank","bank","33 00N","128 26E"
"Dai-roku-goto Bank","bank","33 12N","128 08E"
"Dai-san-goto Bank","bank","33 00N","128 22E"
"Dai-shi-goto Bank","bank","33 08N","128 22E"
"Daikakuji Seamount","seamount","32 05N","172 18E"
"Daini-kinan Seamount","seamount","30 09N","136 42E"
"Daisy Bank","bank","44 39N","124 44W"
"Daito Ridge","ridge","25 30N","133 00E"
"Dakar Canyon","canyon","14 45N","17 48W"
"Dall Bank","bank","32 52N","119 25W"
"Dall Seamount","seamount","58 10N","145 35W"
"Dallas Reef","reef","7 38N","113 53E"
"Daly Seamount","seamount","18 08N","157 40W"
"Damar Ridge","ridge","6 50S","129 30E"
"Dame Marie Ridge","ridge","18 20N","75 30W"
"Dampier Ridge","ridge","32 30S","157 40E"
"Dampier Seamount","seamount","11 10S","0 24W"
"Dana Fracture Zone","fracture zone","12 30S","95 00W"
"Dana Seamount","seamount","18 38N","155 57W"
"Danas Bank","bank","62 40N","51 15W"
"Danas Valley","valley","62 35N","51 05W"
"Danells Valley","valley","60 42N","42 15W"
"Danielsen Canyon","canyon","64 00N","34 00W"
"Dantes Hole","hole","8 17N","104 08W"
"Daon Seamount","seamount","17 58N","145 30E"
"Darwin Guyot","tablemount","22 04N","171 35E"
"David Knoll","knoll","6 24N","50 15E"
"David Spur","spur","52 22N","178 41E"
"Davidson Bank","bank","54 00N","163 45W"
"Davidson Seamount","seamount","35 43N","122 43W"
"Davie Ridge","ridge","17 10S","41 45E"
"Davie Seamount","seamount","36 30S","23 30E"
"Davis Bank","shoal","41 15N","69 40W"
"Davis Basin","basin","42 48N","68 21W"
"Davis Knoll","knoll","34 07N","120 55W"
"Davis Seamounts","seamounts","51 30S","4 30E"
"Davis Sill","sill","65 30N","57 00W"
"Davis Strait Rise","rise","66 00N","59 00W"
"Dawson Canyon","canyon","43 00N","61 05W"
"Day Seamount","seamount","18 40N","156 20W"
"De Gerlache Seamounts","seamounts","65 00S","90 30W"
"De Koningh Seamount","seamount","53 22S","25 00E"
"De Krafft Seamount","seamount","13 53N","156 17W"
"De Soto Canyon","canyon","29 00N","87 30W"
"De Venster Seamount","seamount","30 15N","177 30E"
"Debussy Seamount","seamount","30 18N","162 05W"
"Dehlinger Seamount","seamount","42 00N","137 19W"
"Del Cano Rise","rise","45 15S","44 15E"
"Delfin Basin","basin","29 40N","113 50W"
"Delgada Canyon","canyon","40 02N","124 10W"
"Delgada Fan","fan","39 15N","126 00W"
"Dellwood Knolls","knolls","50 42N","130 15W"
"Dellwood Seamounts","seamounts","50 37N","130 42W"
"Dellwood Valley","valley","50 49N","130 25W"
"Demerara Plain","plain","10 00N","48 00W"
"Demerara Plateau","plateau","8 00N","54 00W"
"Denham Ridge","ridge","19 50S","178 30E"
"Denham Trough","trough","20 00S","178 45E"
"Dennis Knoll","knoll","51 03N","177 42E"
"Denson Seamount","seamount","54 00N","137 15W"
"Denys Canyon","canyon","42 47N","50 16W"
"Derickson Seamount","seamount","52 50N","161 15W"
"Derwent Hunter Tablemount","tablemount","31 00S","156 15E"
"Deryugin Basin","basin","54 00N","146 00E"
"DesBarres Canyon","canyon","44 00N","53 27W"
"Descartes Seamount","seamount","14 06N","108 45W"
"Detroit Tablemount","tablemount","51 15N","167 45E"
"Devils Hole","basin","56 38N","0 40E"
"Devon Shelf","shelf","75 30N","74 00W"
"Devon Slope","slope","74 00N","70 00W"
"Devonport Seamount","seamount","31 32S","175 23E"
"Diamantina Fracture Zone","fracture zone","36 00S","105 00E"
"Diamond Shoals","shoals","35 12N","75 30W"
"Diana Reef","reef","22 31N","74 47W"
"Diane Bank","reef","15 50S","149 40E"
"Diaphus Bank","bank","28 05N","90 42W"
"Dibble Basin","basin","65 20S","133 00E"
"Dickins Seamount","seamount","54 30N","137 00W"
"Dickins Shoal","reef","8 18N","117 32E"
"Dietrich Guyot","tablemount","5 37N","26 53W"
"Dietz Tablemount","tablemount","22 37N","176 30E"
"Discovery II Fracture Zone","fracture zone","41 00S","42 50E"
"Discovery Ridge","ridge","27 50N","68 02W"
"Discovery Tablemount","tablemount","42 00S","0 10E"
"Disko Bank","bank","69 15N","55 00W"
"Disney Reef","reef","19 17S","174 06W"
"Dispatch Seamount","seamount","27 42N","119 20W"
"Dixie Jane Seamount","seamount","18 40N","162 08E"
"Dixon Seamount","seamount","12 36N","179 15W"
"Dixon Valley","valley","54 19N","133 00W"
"Djibouti Bank","bank","36 10N","3 43W"
"Djupall","valley","66 35N","24 00W"
"Dmitri Mendeleyev Seamount","seamount","4 52N","154 58E"
"Dogbody Canyon","canyon","40 03N","68 47W"
"Dogfish Reef","reef","54 09N","131 32W"
"Dogger Bank","bank","55 00N","3 00E"
"Doldrums Fracture Zone","fracture zone","8 10N","39 15W"
"Dolphin Spur","spur","38 15S","165 00E"
"Dom Joa'o de Castro Reef","reef","38 13N","26 38W"
"Don Juan de Austria Shoals","reefs","7 38N","118 10E"
"Donegal Fan","fan","56 10N","10 10W"
"Donelson Seamount","seamount","25 06N","169 28E"
"Donizetti Seamount","seamount","32 20N","160 00W"
"Dordrecht Basin","basin","33 30S","101 20E"
"Dorsey Seamount","seamount","48 48N","156 45W"
"Dowd Guyot","tablemount","13 27N","119 39W"
"Downwind Seamount","seamount","16 37N","114 47W"
"Dragon Seamount","seamount","34 55N","16 30W"
"Drygalski Basin","basin","74 50S","166 30E"
"Du Toit Fracture Zone","fracture zone","49 00S","28 00E"
"Dubinin Trough","trough","67 10S","80 30E"
"Dume Canyon","canyon","33 58N","118 48W"
"Dumshaf Plain","plain","68 00N","5 00E"
"Duntroon Seamount","seamount","35 25S","133 05E"
"Durand Reef","reef","22 02S","168 39E"
"Durgin Seamount","seamount","56 00N","142 00W"
"Dutton Ridge","ridge","20 05N","149 15E"
"Dutton Seamount","seamount","20 03N","158 02W"
"Dvorak Seamount","seamount","30 31N","161 20W"
"Earl Dalhousie Bank","tablemount","8 08N","144 57E"
"East Aves Escarpment","escarpment","13 00N","63 00W"
"East Azores Fracture Zone","fracture zone","36 30N","26 00W"
"East Cape Ridge","ridge","37 30S","179 00E"
"East Cape Trough","trough","52 19N","176 12E"
"East Caroline Basin","basin","4 00N","146 45E"
"East Cortes Basin","basin","32 15N","118 30W"
"East Flower Garden Bank","bank","27 55N","93 36W"
"East Hinder","shoal","51 35N","2 40E"
"East Indiaman Ridge","ridge","27 00S","99 15E"
"East Mariana Basin","basin","12 00N","153 00E"
"East Mexico Shelf","shelf","24 00N","97 30W"
"East Novaya Zemlya Trough","trough","73 30N","61 00E"
"East O'Gorman Fracture Zone","fracture zone","14 00N","101 30W"
"East Pacific Rise","rise","20 00S","115 00W"
"East Reef","reef","8 49N","112 33E"
"East Reef","reef","15 53N","78 35W"
"East Scotia Basin","basin","57 00S","35 00W"
"East Sheba Ridge","ridge","14 30N","56 15E"
"East Tasman Plateau","plateau","43 30S","152 00E"
"East Thulean Rise","rise","51 40N","21 45W"
"Easter Fracture Zone","fracture zone","26 00S","100 00W"
"Eastern Bradelle Valley","valley","47 50N","62 30W"
"Eastern Shoals","shoals","46 27N","50 30W"
"Eastward Knoll","knoll","28 32N","69 09W"
"Eauripik Rise","rise","3 00N","142 00E"
"Ebeling Reef","reef","0 28N","107 25E"
"Ebro Fan","fan","40 40N","3 36E"
"Echizen Banks","banks","36 15N","135 45E"
"Echo Seamount","seamount","25 23N","19 25W"
"Echuca Reef","reef","13 54S","123 55E"
"Eclipse Seamount","seamount","19 10S","159 21W"
"Ecuador Fracture Zone","fracture zone","3 00N","84 30W"
"Edoras Bank","bank","56 00N","22 00W"
"Edremit Trough","trough","39 30N","25 30E"
"Edwards Bank","reef","7 43S","159 41E"
"Eel Canyon","canyon","40 39N","124 35W"
"Eendracht Seamounts","seamounts","28 30S","103 00E"
"Egeria Bank","reef","16 01N","114 56E"
"Egeria Fracture Zone","fracture zone","20 00S","66 30E"
"Egmont Terrace","terrace","39 37S","172 05E"
"Eia Canyon","canyon","7 52S","147 56E"
"Eickelberg Ridge","ridge","48 30N","133 10W"
"Eickelberg Seamount","seamount","48 30N","133 10W"
"Einstein Seamount","seamount","13 52N","110 17W"
"Eirik Ridge","ridge","58 40N","44 00W"
"El Ferrol Canyon","canyon","44 03N","9 15W"
"Elbow, The","ridge","27 41N","84 09W"
"Eldad Reef","reef","10 20N","114 40E"
"Elizabeth Basin","basin","43 20N","70 00W"
"Elizabeth Shoals","reef","3 55N","113 10E"
"Ellice Ridge","ridge","8 00S","178 00E"
"Ellis Seamount","seamount","19 10N","157 42W"
"Eltanin Fracture Zone","fracture zone","54 00S","130 00W"
"Elvers Bank","bank","27 50N","92 53W"
"Ely Seamount","seamount","56 15N","145 40W"
"Embattle Seamount","seamount","10 45N","164 10W"
"Emden Deep","deep","10 39N","126 36E"
"Emerald Bank","bank","43 30N","62 30W"
"Emerald Basin","basin","53 30S","162 00E"
"Emerald Basin","basin","44 00N","62 45W"
"Emery Basin","basin","31 50N","118 08W"
"Emery Knoll","knoll","33 02N","118 24W"
"Emilia Seamount","seamount","43 50N","131 54W"
"Emmons Seamount","seamount","15 56N","166 50W"
"Emperor Seamounts","seamounts","42 00N","170 00E"
"Emperor Trough","trough","43 00N","175 30E"
"Endeavour Seamount","seamount","18 56S","169 26W"
"Endeavour Seamount","seamount","48 16N","129 05W"
"Endeavour Spur","spur","53 40S","176 40E"
"Enderby Plain","plain","60 00S","40 00E"
"Enderby Reef","reef","7 23N","149 07E"
"Endurance Ridge","ridge","62 30S","40 00W"
"Enganno Basin","basin","6 00S","103 45E"
"Engelbrecht Seamount","seamount","36 15S","14 20E"
"Enoshima Canyon","canyon","35 14N","139 26E"
"Equatorial Seachannel","seachannel","3 45S","31 00W"
"Eratosthenes Tablemount","tablemount","33 50N","32 40E"
"Erben Tablemount","tablemount","32 52N","132 32W"
"Eriador Seamount","seamount","54 40N","25 20W"
"Erica Seamount","seamount","38 15S","14 30E"
"Erickson Seamount","seamount","25 33N","169 10E"
"Erimo Seamount","seamount","40 55N","144 55E"
"Error Tablemount","tablemount","10 20N","56 05E"
"Escanaba Ridge","ridge","41 10N","127 12W"
"Escanaba Trough","trough","41 00N","127 30W"
"Esmeralda Bank","seamount","14 57N","145 15E"
"Esperance Canyon","canyon","34 40S","121 45E"
"Esperanza Canyon","canyon","49 40N","127 30W"
"Espinosa Seamount","seamount","9 38N","114 10W"
"Etienne Canyon","canyon","52 40N","171 20E"
"Euclid Seamount","seamount","12 45N","110 30W"
"Euler Seamount","seamount","16 03N","112 00W"
"Eurasia Basin","basin","87 00N","80 00E"
"Everard Canyon","canyon","38 20S","149 27E"
"Ewing Bank","bank","28 06N","91 02W"
"Ewing Seamount","seamount","23 20S","8 45E"
"Ewing Seamount","seamount","20 20N","174 10E"
"Exmouth Plateau","plateau","19 00S","114 00E"
"Explorer Seamount","seamount","49 05N","130 48W"
"Explorer Tablemount","tablemount","16 55N","83 15W"
"Explorer Trench","trench","49 00N","130 35W"
"Eyjafjardhardjup","valley","66 25N","18 45W"
"Eyre Terrace","terrace","34 00S","127 00E"
"Fabert Seamount","seamount","24 07S","158 33W"
"Fairway Plateau","plateau","20 45S","161 00E"
"Fairway Reef","reef","21 00S","161 45E"
"Fairweather Ground","banks","58 22N","138 50W"
"Fairweather Seamount","seamount","19 51N","113 01W"
"Fairy Bank","shoal","51 25N","2 20E"
"Falcon Bank","reef","19 19S","174 07W"
"Falkland Escarpment","escarpment","50 00S","45 00W"
"Falkland Fracture Zone","fracture zone","49 20S","41 00W"
"Falkland Plateau","plateau","51 00S","50 00W"
"Falkland Trough","trough","53 00S","54 00W"
"Fantome Bank","reef","11 38S","123 57E"
"Faraday Seamounts","seamounts","49 30N","28 30W"
"Farallon Basin","basin","25 30N","110 00W"
"Farallon Escarpment","escarpment","37 42N","123 10W"
"Farfalla Seamount","seamount","40 25N","12 30E"
"Faris Seamount","seamount","54 30N","147 15W"
"Faroe Bank","seamount","60 55N","8 40W"
"Faroe Gap","gap","61 23N","8 15W"
"Faroe Shetland Trough","trough","61 00N","4 00W"
"Faroe-Iceland Ridge","ridge","64 00N","10 00W"
"Farquhar Ridge","ridge","10 00S","51 00E"
"Father Charles Canyon","canyon","48 40N","126 30W"
"Fathometer Reef","reef","54 17N","165 17W"
"Fearless Shoal","reef","7 23N","117 37E"
"Feinga Seamount","seamount","20 09S","175 09W"
"Feni Ridge","ridge","53 45N","18 00W"
"Ferna'o Veloso Canyon","canyon","14 22S","40 48E"
"Fernando de Noronha Plain","plain","03 00S","31 00W"
"Ferraz Ridge","ridge","14 00S","33 00W"
"Ferrel Seamount","seamount","29 30N","117 18W"
"Ferris Seamount","seamount","29 00S","102 45W"
"Fieberling Tablemount","tablemount","32 22N","127 50W"
"Field Bank","seamount","12 17S","174 48W"
"Fiery Cross Reef","reef","9 38N","112 57E"
"Fifty Fathoms Flat, The","bank","18 30N","71 30E"
"Fiji Plateau","plateau","17 00S","173 00E"
"Filebottom Canyon","canyon","40 11N","67 59W"
"Fillebrown Seamount","seamount","15 05N","162 55W"
"Finch Seamount","seamount","17 32N","157 35W"
"Fiordland Basin","basin","45 30S","165 30E"
"Fippennies Ledge","bank","42 47N","69 18W"
"First Thomas Shoal","reef","9 20N","115 56E"
"Fishers Island Furrow","furrow","41 11N","71 54W"
"Fishers Island Ridge","ridge","41 12N","71 51W"
"Fishing Rip","shoal","41 05N","69 25W"
"Fishnet Bank","bank","28 09N","91 49W"
"Fiskenaes Bank","bank","63 18N","52 10W"
"Flanagan Seamount","seamount","8 22N","21 22W"
"Flavio Gioia","seamount","40 00N","13 05E"
"Flemish Cap","bank","47 00N","45 00W"
"Flemish Pass","pass","47 00N","46 45W"
"Fletcher Plain","plain","86 00N","179 59W"
"Flinders Canyon","canyon","39 38S","148 50E"
"Flinders Reefs","reefs","17 37S","148 31E"
"Flinders Seamount","seamount","34 40S","159 44E"
"Flora Reef","reef","16 45S","147 45E"
"Flores Basin","basin","7 45S","120 00E"
"Florida Escarpment","escarpment","27 00N","85 15W"
"Florida Middle Ground","bank","28 30N","84 15W"
"Florida Plain","plain","25 30N","86 00W"
"Florida Reefs","reefs","24 50N","80 40W"
"Florida-Hatteras Slope","slope","31 00N","80 00W"
"Fonera Canyon","canyon","41 52N","3 27E"
"Forde Seamount","seamount","35 01S","170 07W"
"Formigas Reef","reef","18 30N","75 45W"
"Forster Seamount","seamount","48 57N","133 50W"
"Fortune Bank","reefs","7 13S","57 00E"
"Fortymile Bank","knoll","32 39N","117 58W"
"Foss Reef","reef","14 25S","176 00W"
"Foster Ridge","ridge","54 30N","25 30W"
"Four Ladies Bank","bank","67 30S","77 30E"
"Four North Fracture Zone","fracture zone","4 00N","32 15W"
"Fourier Seamount","seamount","14 05N","111 00W"
"Fram Bank","bank","67 18S","70 00E"
"Fram Basin","basin","88 00N","90 00E"
"Frances Reef","reef","4 27N","119 15E"
"Francisco Canyon","canyon","7 04S","147 05E"
"Franklin Basin","basin","42 05N","68 05W"
"Franklin Seamount","seamount","57 54N","26 30W"
"Franklin Shoals","shoals","76 00S","169 00E"
"Franklin Swell","rise","42 05N","68 55W"
"Frants-Viktoriya Trough","trough","81 00N","40 30E"
"Fred Seamount","seamount","6 14S","54 23E"
"Frederikshabs Bank","bank","62 16N","50 45W"
"Frederiksted Canyon","canyon","17 41N","65 01W"
"Freen Trough","trough","42 41N","20 00W"
"French Bank","bank","44 45N","61 07W"
"French Frigate Shoals","reef","23 45N","166 10W"
"Friedrich Reef","reef","4 14N","118 21E"
"Friendship Shoal","reef","5 58N","112 31E"
"Frindsbury Reef","reef","5 00S","159 09E"
"Froya Bank","bank","63 45N","7 30E"
"Fryer Guyot","tablemount","20 30N","148 00E"
"Frying Pan Shoals","shoals","33 45N","77 55W"
"Fuerte Canyon","canyon","25 33N","109 32W"
"Fugloy Bank","bank","71 00N","20 00E"
"Fugloya Bank","bank","71 00N","19 20E"
"Fukue Bank","bank","32 47N","128 27E"
"Fukuyama Peak","peak","22 22N","143 07E"
"Fundian Valley","valley","42 20N","66 30W"
"Funk Seamount","seamount","46 15S","37 25E"
"Fyllas Bank","bank","64 00N","53 00W"
"Gagarin Seamount","seamount","1 30N","154 15W"
"Galapagos Fracture Zone","fracture zone","0 00N","100 00W"
"Galapagos Rise","rise","15 00S","97 00W"
"Galapagos Seamount","seamount","0 58S","87 45W"
"Galicia Bank","bank","42 40N","11 45W"
"Gallieni Bank","tablemount","46 30S","39 40E"
"Gallieni Fracture Zone","fracture zone","37 00S","52 15E"
"Galois Seamount","seamount","12 52N","106 28W"
"Galvez Banks","seamounts","13 04N","144 27E"
"Gambell Shoal","shoal","64 00N","170 45W"
"Gambia Plain","plain","12 00N","28 00W"
"Gambier Fracture Zone","fracture zone","57 00S","147 30E"
"Gamen Reef","reef","7 26N","144 38E"
"Ganges Fan","fan","12 00N","87 00E"
"Gardar Ridge","ridge","57 15N","26 00W"
"Gardner Valley","valley","25 00N","167 30W"
"Garibaldi Seamount","seamount","39 08N","13 45E"
"Garnet Bank","seamount","33 05S","49 25W"
"Garrett Fracture Zone","fracture zone","13 20S","112 00W"
"Garrett Ridge","ridge","32 37N","119 32W"
"Gascogne Knoll","knoll","45 21N","5 24W"
"Gascoyne Plain","plain","16 00S","110 00E"
"Gascoyne Tablemount","tablemount","36 30S","156 30E"
"Gauss Seamount","seamount","15 24N","110 56W"
"Gaven Reefs","reefs","10 12N","114 14E"
"Gazelle Basin","basin","32 00S","170 00E"
"Gem Reef","reef","5 36N","119 09E"
"Genista Bank","bank","16 33N","53 28E"
"Genji Seamount","seamount","33 20N","172 15E"
"Gentatsu Shoal","shoal","36 14N","135 45E"
"Gentry Bank","bank","21 48N","70 40W"
"Genzan Trough","trough","39 40N","129 40E"
"Geofizikov Spur","spur","84 45N","165 00E"
"George Bligh Bank","seamount","58 55N","13 45W"
"George Seamount","seamount","33 20N","60 48W"
"George V Fracture Zone","fracture zone","53 30S","141 00E"
"Georges Bank","bank","41 15N","67 30W"
"Georges Basin","basin","42 25N","67 00W"
"Georges Canyon","canyon","41 16N","66 16W"
"Georges Shoal","shoal","41 40N","67 45W"
"Gerda Seamount","seamount","36 15N","57 30W"
"Gerdes Seamount","seamount","48 42N","160 25W"
"Gershwin Seamount","seamount","27 16N","159 30W"
"Gettysburg Seamount","seamount","36 32N","11 37W"
"Geyer Bank","bank","27 49N","93 04W"
"Geyser Reef","reef","12 22S","46 33E"
"Giacomini Seamount","seamount","56 25N","146 25W"
"Gibbs Seamount","seamount","16 34N","63 56W"
"Gibraltar Canyon","canyon","36 09N","5 24E"
"Gibraltar Valley","valley","35 55N","4 49W"
"Gibson Seamount","seamount","52 00N","148 40W"
"Gifford Tablemount","tablemount","26 45S","159 25E"
"Giglio Basin","basin","41 47N","10 45E"
"Giglio Ridge","ridge","41 45N","10 36E"
"Gilbert Canyon","canyon","40 18N","67 55W"
"Gilbert Ridge","ridge","1 00N","173 00E"
"Gilbert Seamount","seamount","52 50N","150 10W"
"Gilbert Seamount","seamount","42 50S","164 00E"
"Gilbert Seamounts","seamounts","52 30N","149 00W"
"Gilg Seamount","seamount","6 52N","21 54W"
"Gilliss Seamount","seamount","35 40N","58 35W"
"Gira Canyon","canyon","7 53S","147 59E"
"Giraud Seamount","seamount","9 57S","46 55E"
"Gisborne Canyon","canyon","38 45S","178 50E"
"Glomar Challenger Basin","basin","77 45S","180 00"
"Gloria Ridge","ridge","55 50N","45 00W"
"Glover Reef","reef","16 45N","87 50W"
"Gluck Seamount","seamount","26 53N","160 06W"
"Goban Spur","spur","49 25N","12 00W"
"Godaigo Seamount","seamount","41 52N","170 35E"
"Godthab Valley","valley","63 30N","52 30W"
"Gofar Fracture Zone","fracture zone","4 15S","106 00W"
"Golden Gate Bank","knoll","23 04N","110 18W"
"Goldsborough Seamounts","seamounts","10 30N","169 00W"
"Golovnin Seamount","seamount","46 47N","157 07E"
"Goodrich Bank","reef","10 44S","130 18E"
"Goose Island Bank","bank","51 38N","129 00W"
"Gorda Bank","bank","15 45N","082 25W"
"Gorda Basin","basin","41 00N","126 00W"
"Gorda Escarpment","escarpment","40 22N","125 10W"
"Gorda Ridges","ridges","41 30N","128 00W"
"Gorda Trough","trough","22 50N","109 22W"
"Gorda Valley","valley","39 52N","125 05W"
"Gordon Seamount","seamount","46 50N","135 04W"
"Gorontalo Basin","basin","0 15S","124 00E"
"Gorringe Ridge","ridge","36 40N","11 35W"
"Gosanjo Seamount","seamount","32 55N","171 35E"
"Goshirakawa Seamount","seamount","32 40N","171 40E"
"Gosnold Seamount","seamount","38 08N","62 17W"
"Goto Banks","banks","33 10N","128 25E"
"Gounod Seamount","seamount","27 53N","161 12W"
"Graham Seamount","seamount","53 14N","134 31W"
"Graham Shoal","shoal","37 10N","12 43E"
"Grainger Bank","reef","7 47N","110 28E"
"Grampian Trough","trough","15 15S","177 30E"
"Gran Cocal Reef","reef","6 00S","176 15E"
"Grand Bank","bank","45 00N","50 00W"
"Grand Banks of Newfoundland","banks","45 00N","53 00W"
"Grand Manan Banks","banks","44 12N","67 05W"
"Grand Manan Basin","basin","44 25N","66 30W"
"Granville Shoal","shoal","21 55N","89 20W"
"Grappler Bank","bank","18 23N","75 59W"
"Grappler Seamount","seamount","17 48N","65 55W"
"Grattan Seamount","seamount","9 44S","12 49W"
"Gray Feather Bank","reef","8 00N","148 46E"
"Grays Canyon","canyon","46 55N","124 53W"
"Great Abaco Canyon","canyon","27 05N","77 00W"
"Great Bahama Bank","bank","23 15N","78 00W"
"Great Bahama Canyon","canyon","25 30N","77 10W"
"Great Barrier Reef","reef","18 00S","146 50E"
"Great Danger Bank","reefs","7 37N","117 18E"
"Great Fisher Bank","bank","57 00N","4 00E"
"Great Meteor Tablemount","tablemount","30 00N","28 30W"
"Great Sea Reef","reef","16 15S","178 33E"
"Great Sole Bank","bank","49 38N","10 10W"
"Great Yangtze Bank","bank","31 45N","123 30E"
"Greater Antilles Ridge","ridge","20 00N","74 00W"
"Green Bank","bank","45 45N","53 35W"
"Green Canyon","canyon","27 03N","90 27W"
"Green Knoll","knoll","27 00N","90 18W"
"Green Seamount","seamount","19 18N","154 12W"
"Greenland Basin","basin","73 30N","5 00W"
"Greenland Fracture Zone","fracture zone","75 30N","0 30E"
"Greenland Plain","plain","75 00N","3 00W"
"Greenland Trough","trough","69 00N","20 00W"
"Greenland-Iceland Rise","rise","67 00N","27 00W"
"Gregg Seamount","seamount","39 00N","61 00W"
"Grenada Basin","basin","13 30N","62 00W"
"Grenada Plain","plain","13 30N","62 00W"
"Grenell Canyon","canyon","52 19N","179 02E"
"Gridley Trough","trough","16 30N","163 15W"
"Grieg Seamount","seamount","27 51N","162 03W"
"Grijalva Ridge","ridge","5 00S","85 00W"
"Grindavikurdjup","valley","63 25N","22 30W"
"Groll Seamount","seamount","14 00S","32 00W"
"Grue Bank","bank","35 00S","23 12E"
"Guacanayabo Trough","trough","19 45N","81 40W"
"Guadalupe Arrugado","arrugado","28 50N","117 35E"
"Guadalupe Seamount","seamount","27 50N","168 45E"
"Guafo Fracture Zone","fracture zone","42 55S","83 40W"
"Guardian Seamount","seamount","9 32N","87 40W"
"Guatemala Basin","basin","11 00N","95 00W"
"Guayanilla Canyon","canyon","17 45N","66 46W"
"Guaymas Basin","basin","27 15N","111 30W"
"Guiana Basin","basin","11 00N","52 00W"
"Guide Canyon","canyon","46 34N","124 47W"
"Guide Ridge","ridge","52 22N","150 35W"
"Guide Seamount","seamount","37 01N","123 20W"
"Guilvinec Canyon","canyon","46 44N","5 15W"
"Guinea Basin","basin","0 00N","5 00W"
"Guinea Fracture Zone","fracture zone","9 00N","27 00W"
"Guinea Plain","plain","1 00N","3 00W"
"Guinea Plateau","plateau","9 45N","17 30W"
"Guinea Rise","rise","8 00S","0 00E"
"Gulden Draak Seamount","seamount","29 00S","98 20E"
"Gulf of Alaska Seamount Province","province","56 00N","147 00W"
"Gully, The","canyon","44 15N","59 15W"
"Gumdrop Seamount","seamount","37 27N","123 28W"
"Gunnerus Bank","bank","68 00S","33 00E"
"Gunnerus Ridge","ridge","66 30S","33 45E"
"Gunston Hall Bank","bank","36 30N","129 45E"
"Gusinaya Bank","bank","71 30N","46 30E"
"Gustaf Adolf Trough","trough","78 35N","106 00W"
"Guy Canyon","canyon","43 30N","49 18W"
"Haast Canyon","canyon","44 05S","168 00E"
"Habuto Canyon","canyon","35 00N","140 12E"
"Hadrian Seamount","seamount","40 26N","11 42E"
"Halawa Canyon","canyon","21 12N","156 43W"
"Haldimand Canyon","canyon","44 00N","57 58W"
"Half Moon Shoal","reef","8 51N","116 16E"
"Hall Tablemount","tablemount","21 50S","39 01E"
"Halmahera Basin","basin","0 15S","128 45E"
"Halten Bank","bank","64 45N","8 45E"
"Hamilton Bank","bank","54 00N","54 45W"
"Hamilton Tablemount","tablemount","19 55N","177 13E"
"Hammerstein Seamount","seamount","32 28N","165 46W"
"Hammondsport Seamount","seamount","10 32S","159 35E"
"Hancock Bank","reef","1 04S","90 13W"
"Hancock Bank","bank","32 34N","119 42W"
"Hancock Seamount","seamount","30 15N","178 30E"
"Hand Shoal","reef","15 59N","114 38E"
"Handel Seamount","seamount","27 26N","159 53W"
"Hanna Bank","bank","72 00N","162 00W"
"Hanna Shoal","shoal","72 00N","162 00W"
"Hannibal Bank","bank","7 25N","82 05W"
"Hardie Reef","reef","5 55N","112 32E"
"Hardy Bank","bank","35 15S","22 50E"
"Hardy Patches","reef","16 05N","114 46E"
"Hardy Reef","reef","10 08N","116 08E"
"Harrie Guyot","guyot","5 35N","172 17E"
"Harrington Hill","hill","31 21N","77 34W"
"Harris Seamount","seamount","46 10N","161 25W"
"Harris Seamount","seamount","84 00N","140 00W"
"Harrison Seamount","seamount","12 40N","167 55W"
"Hart Reef","reef","10 48N","119 52E"
"Hartog Ridge","ridge","30 30S","105 00E"
"Hassayampa Seamount","seamount","15 18N","163 29W"
"Hassler Reef","reef","54 49N","131 37W"
"Hatteras Canyon","canyon","34 40N","74 00W"
"Hatteras Plain","plain","31 00N","71 00W"
"Hatteras Ridge","ridge","33 45N","72 50W"
"Hatton Ridge","ridge","59 00N","17 30W"
"Hatton-Rockall Basin","basin","57 30N","16 30W"
"Hauraki Canyon","canyon","35 20S","175 35E"
"Havre Trough","trough","31 30S","179 30W"
"Hawaiian Arch","arch","20 00N","152 00W"
"Hawaiian Ridge","ridge","24 00N","165 00W"
"Hawaiian Trough","trough","21 00N","155 00W"
"Hawke Canyon","canyon","39 38S","177 52E"
"Hawkins Reef","reef","10 18S","167 22E"
"Hawley Ridge","ridge","51 00N","176 15W"
"Hayama Canyon","canyon","35 13N","139 28E"
"Haycock Basin","basin","52 02N","177 48E"
"Haydn Seamount","seamount","26 40N","161 12W"
"Hayes Fracture Zone","fracture zone","33 40N","38 30W"
"Hayes Reef","reef","5 22N","112 39E"
"Hazel Holme Bank","seamount","12 49S","174 03E"
"Heald Bank","reef","29 05N","94 16W"
"Heaphy Valley","valley","40 40S","171 31E"
"Hebrides Seamount","seamount","56 27N","10 22W"
"Hecataeus Knoll","knoll","34 28N","33 38E"
"Hecataeus Seamount","seamount","34 23N","33 42E"
"Hecate Patch","reef","37 46N","10 50E"
"Hecate Seamount","seamount","52 17N","30 58W"
"Heceta Bank","bank","44 10N","124 45W"
"Heceta Escarpment","escarpment","44 00N","124 57W"
"Heceta Knoll","knoll","55 40N","135 19W"
"Heceta Valley","valley","44 00N","124 38W"
"Hecht Seamount","seamount","53 45N","151 20W"
"Heck Canyon","canyon","52 15N","175 00E"
"Heck Seachannel","seachannel","49 12N","128 52W"
"Heck Seamount","seamount","48 30N","130 00W"
"Heel Tapper Canyon","canyon","40 08N","68 15W"
"Heezen Fracture Zone","fracture zone","53 00S","135 00W"
"Heezen Plateau","plateau","38 23N","70 48W"
"Helen Shoal","reef","19 12N","113 54E"
"Helena Seamount","seamount","29 39N","158 56E"
"Helene Shoal","reef","5 32N","149 08E"
"Hellenic Trough","trough","35 30N","22 00E"
"Hemler Guyot","guyot","19 40N","151 40E"
"Henderson Ridge","ridge","26 17N","86 40W"
"Henderson Seamount","seamount","25 34N","119 33W"
"Hendrickson Canyon","canyon","39 07N","72 31W"
"Henry Seamount","seamount","23 32N","168 45E"
"Henselt Seamount","seamount","27 02N","161 16W"
"Heradhsdjup","valley","65 50N","13 30W"
"Herald Bank","bank","70 30N","171 30W"
"Herald Bank","knoll","15 44N","112 14E"
"Herald Reef","reef","70 20N","171 04W"
"Herald Reef","reef","4 58N","112 36E"
"Herald Valley","valley","71 30N","175 00W"
"Herbert Canyon","canyon","53 25N","170 40W"
"Herdman Seamount","seamount","45 15S","0 30E"
"Herefordshire Shoal","reef","8 35N","117 01E"
"Hero Fracture Zone","fracture zone","61 30S","66 00W"
"Herodotus Basin","basin","34 00N","30 00E"
"Herodotus Seamount","seamount","33 35N","19 56E"
"Herodotus Sill","sill","33 30N","20 24E"
"Herodotus Trough","trough","33 21N","20 33E"
"Hess Escarpment","escarpment","15 05N","75 50W"
"Hess Rise","rise","36 45N","177 15E"
"Hess Tablemount","tablemount","17 50N","174 15W"
"Heywood Shoal","reef","13 29S","124 04E"
"Hibernia Reef","reef","12 00S","123 23E"
"Higashi-goto Seachannels","seachannels","33 20N","128 40E"
"Hikurangi Trench","trench","40 00S","179 00E"
"Hinds Seamount","seamount","18 26N","153 10W"
"Hinemoa Seamount","seamount","35 20S","176 10W"
"Hirondelle II Seamount","seamount","36 26N","11 50W"
"Hispaniola Basin","basin","20 18N","71 35W"
"Hispaniola Plain","plain","20 18N","71 35W"
"Hitchfield Bank","reef","7 44N","149 40E"
"Hjort Fracture Zone","fracture zone","62 00S","163 00E"
"Hjort Seamount","seamount","56 30S","159 00E"
"Hjort Trench","trench","58 00S","157 30E"
"Hodges Knoll","knoll","12 25N","155 37W"
"Hodges Seamount","seamount","31 54N","58 44W"
"Hodgkins Seamount","seamount","53 30N","136 05W"
"Hodgkins Seamounts","seamounts","53 30N","136 00W"
"Hodgson Seamount","seamount","35 35N","58 40W"
"Hohnhaus Seamount","seamount","13 27N","179 11W"
"Hohonu Seamount","seamount","19 11N","154 41W"
"Hoke Seamount","seamount","32 06N","126 56W"
"Hokitika Canyon","canyon","42 20S","169 45E"
"Hokkaido Rise","rise","46 00N","155 00E"
"Hokkaido Seamount","seamount","42 50N","151 30E"
"Holmes Reefs","reefs","16 30S","147 55E"
"Holothuria Banks","reefs","13 25S","126 00E"
"Home Seamount","seamount","12 55S","175 37W"
"Honopu Canyon","canyon","22 11N","159 41W"
"Hook Ridge","ridge","51 30N","143 40W"
"Hoopers Canyon","canyon","46 06S","171 00E"
"Hope Valley","valley","68 50N","171 00W"
"Hopkins Reef","reef","10 52N","116 15E"
"Hopps Reef","reef","10 15N","115 23E"
"Horizon Deep","deep","23 16S","174 44W"
"Horizon Ridge","ridge","14 49S","106 05E"
"Horizon Tablemount","tablemount","19 40N","168 30W"
"Hornafjardhardjup","valley","63 40N","14 54W"
"Hornsund Valley","valley","76 40N","14 45E"
"Horseshoe Plain","plain","35 40N","12 20W"
"Horseshoe Seamounts","seamounts","36 30N","15 00W"
"Hotspur Seamount","seamount","17 55S","35 55W"
"Hovgaard Fracture Zone","fracture zone","78 00N","1 30E"
"Howard Shoal","reef","15 51N","114 47E"
"Howell Basin","basin","42 17N","68 44W"
"Howell Hook","ridge","25 45N","84 15W"
"Howell Swell","rise","42 16N","68 31W"
"Hoyles Canyon","canyon","43 33N","49 05W"
"Hoyt Hills","hills","31 20N","78 30W"
"Hsin-i Canyon","canyon","23 02N","121 22E"
"Huddell Seamount","seamount","28 20N","146 13W"
"Hudson Canyon","canyon","39 27N","72 12W"
"Hudson Fan","fan","36 30N","69 30W"
"Hudson Shelf Valley","shelf valley","40 05N","73 30W"
"Hudson Valley","valley","38 28N","70 57W"
"Hueneme Canyon","canyon","34 06N","119 14W"
"Humboldt Plain","plain","54 00S","86 00W"
"Hunafloaall","valley","66 20N","20 40W"
"Hunkins Seamount","seamount","81 00N","156 00W"
"Hunter Bank","seamount","9 58N","138 16E"
"Hunter Gap","gap","35 00S","27 30W"
"Hunter Ridge","ridge","21 30S","174 30E"
"Hurd Bank","bank","35 55N","14 50E"
"Hutchins Bank","bank","26 23N","113 20W"
"Hydock Seamount","seamount","24 04N","161 35E"
"Hydra Seamount","seamount","11 00S","50 35E"
"Hydro Knoll","knoll","52 12N","176 49E"
"Hydrographer Canyon","canyon","40 12N","69 03W"
"Hyeres Seamount","seamount","31 30N","29 00W"
"Hyuga Valley","valley","33 15N","135 20E"
"Ianthe Reefs","reefs","5 53N","145 39E"
"Iberian Basin","basin","39 00N","16 00W"
"Iberian Plain","plain","43 45N","13 30W"
"Iceland Basin","basin","61 00N","19 00W"
"Iceland Plateau","plateau","69 30N","12 00W"
"Ignacio Canyon","canyon","25 30N","109 30W"
"Iizuka Seamount","seamount","42 21N","131 56W"
"Ikaria Trough","trough","37 50N","26 20E"
"Ikitsuki Bank","bank","33 36N","129 04E"
"Iligan Reef","reef","8 39N","123 52E"
"Iltis Bank","reef","16 46N","112 13E"
"Imarssuak Seachannel","seachannel","57 15N","44 00W"
"Inanudak Canyon","canyon","54 00N","168 55W"
"Inca Fracture Zone","fracture zone","1 30N","85 15W"
"Independence Knolls","knolls","28 25N","69 42W"
"Indian Cordillera","cordillera","10 00S","66 00E"
"Indianapolis Seamount","seamount","19 38N","156 42W"
"Indomed Fracture Zone","fracture zone","39 00S","46 15E"
"Indus Fan","fan","16 00N","66 30E"
"Inga Canyon","canyon","52 37N","175 30E"
"Ingenstrem Trough","trough","52 35N","175 00E"
"Ingleses Banks","banks","21 47N","92 00W"
"Inharrime Terrace","terrace","25 20S","34 48E"
"Inner Candelaria Canyon","canyon","23 02N","110 10W"
"Inner Gorda Bank","reef","23 02N","109 31W"
"Inoko Canyon","canyon","34 55N","139 35E"
"Investigator Bank","bank","17 45N","66 12W"
"Investigator Northeast Shoal","shoal","9 10N","116 27E"
"Investigator Ridge","ridge","11 30S","98 10E"
"Investigator Shoal","reef","8 09N","114 44E"
"Invisible Bank","reef","11 10N","93 28E"
"Io Rise","rise","52 00N","150 00E"
"Ionian Basin","basin","36 00N","20 00E"
"Ireland Trough","trough","55 00N","12 40W"
"Ironwood Seamount","seamount","10 40N","159 57W"
"Iroquois Reef","reef","10 39N","116 10E"
"Irving Reef","reef","10 53N","114 56E"
"Isabella Reef","reef","12 25S","177 25W"
"Isafjardharjup","valley","66 10N","23 00W"
"Isakov Seamount","seamount","31 45N","151 30E"
"Iselin Bank","spur","72 30S","179 00W"
"Iselin Seamount","seamount","70 45S","178 15W"
"Isfjordrenna","valley","78 05N","12 00E"
"Islas Orcadas Fracture Zone","fracture zone","54 00S","6 00E"
"Islas Orcadas Fracture Zone","fracture zone","54 00S","6 00E"
"Islas Orcadas Rise","rise","51 30S","26 00W"
"Islas Orcadas Rise","rise","51 30S","26 00W"
"Isobel Shoals","reef","3 52N","112 47E"
"Issel Seamount","seamount","39 45N","13 40E"
"Ita Mai Tai Guyot","guyot","12 30N","157 10E"
"Iwabuchi Seamount","seamount","42 04N","132 44W"
"Iwo Jima Ridge","ridge","30 00N","139 30E"
"Izu Trench","trench","31 00N","142 00E"
"J-Anomaly Ridge","ridge","40 30N","51 00W"
"Jackman Canyon","canyon","43 15N","49 28W"
"Jacqueline Guyot","guyot","19 20N","176 40E"
"Jacques Swell","rise","42 36N","68 20W"
"Jadul Ridge","ridge","41 40N","10 15E"
"Jaggar Seamount","seamount","19 23N","157 00W"
"Jagua Bank","reef","21 35N","80 40W"
"Jagua, Banco de","reef","21 35N","80 40W"
"Jaguar Seamount","seamount","21 50S","39 27E"
"Jakkula Bank","bank","27 59N","91 39W"
"Jamaican Plain","plain","15 30N","79 00W"
"James Basin","basin","51 00N","177 30E"
"James Canyon","canyon","50 51N","177 12E"
"James Knoll","knoll","51 00N","177 12E"
"James Patch","reef","4 30N","119 12E"
"Jan Mayen Fracture Zone","fracture zone","71 12N","8 00W"
"Jan Mayen Ridge","ridge","69 00N","8 00W"
"Janga Canyon","canyon","14 37S","40 53E"
"Japan Basin","basin","40 00N","135 00E"
"Japan Plain","plain","41 30N","135 00E"
"Japan Trench","trench","37 00N","143 00E"
"Japanese Guyots","guyots","32 30N","148 30E"
"Jaseur Seamount","seamount","20 30S","36 00W"
"Jasper Seamount","seamount","30 32N","122 42W"
"Java Reef","reef","7 50N","118 34E"
"Java Ridge","ridge","9 30S","109 00E"
"Java Trench","trench","10 30S","110 00E"
"Jeffreys Bank","bank","43 23N","68 45W"
"Jeffreys Basin","basin","43 06N","70 10W"
"Jeffreys Ledge","ridge","43 00N","70 03W"
"Jehangire Reefs","reefs","16 21N","112 40E"
"Jenkins Seamount","seamount","30 20N","173 41E"
"Jessie Beazley Reef","reef","9 02N","119 49E"
"Jimmu Seamount","guyot","46 00N","169 25E"
"Jingu Basin","basin","39 30N","172 00E"
"Jingu Seamount","guyot","38 50N","171 15E"
"Jogashima Canyon","canyon","35 06N","139 32E"
"Johnson Patch","reef","7 47N","111 35E"
"Johnston Seamounts","seamounts","16 00N","169 30W"
"JOIDES Basin","basin","74 30S","174 00E"
"Jokuldjup","valley","64 10N","24 10W"
"Jones Canyon","canyon","39 27N","71 56W"
"Jones Seamount","seamount","52 25N","148 55W"
"Jones Seamount","seamount","43 33N","132 35W"
"Jordan Basin","basin","43 30N","67 45W"
"Jordan Knoll","knoll","23 32N","83 48W"
"Josephine Seamount","seamount","36 40N","14 15W"
"Jovellanos Seamount","seamount","44 32N","4 12W"
"Juan de Fuca Canyon","canyon","47 50N","125 30W"
"Juan de Fuca Fracture Zone","fracture zone","47 00N","133 00W"
"Juan de Fuca Ridge","ridge","46 00N","130 00W"
"Jubilee Seamount","seamount","8 33N","111 28E"
"Jukes Canyon","canyon","43 16N","52 01W"
"Julia Shoal","reef","9 57N","109 08E"
"Julianehab Valley","valley","60 20N","46 55W"
"Justus Seamount","seamount","34 24N","52 30W"
"Jutland Bank","bank","56 50N","7 20E"
"Kagami Seamount","seamount","45 29N","140 37W"
"Kahutara Ridge","ridge","42 33S","173 46E"
"Kaikata Seamount","seamount","26 40N","141 00E"
"Kaikoura Canyon","canyon","42 35S","173 45E"
"Kailiu Canyon","canyon","22 15N","159 37W"
"Kaiwhata Bank","bank","41 19S","176 14E"
"Kalaniopuu Basin","basin","25 00N","178 00E"
"Kaluanui Canyon","canyon","21 14N","157 01W"
"Kamchatka Terrace","terrace","53 44N","161 33E"
"Kamehameha Basin","basin","16 04N","163 00W"
"Kami Reef","reef","32 50N","128 40E"
"Kammu Seamount","guyot","32 10N","173 00E"
"Kamogawa Canyon","canyon","35 03N","140 13E"
"Kamonga Shoal","reef","8 30N","117 09E"
"Kanaga Basin","basin","50 48N","178 25W"
"Kanaga Canyon","canyon","51 13N","178 00W"
"Kane Fracture Zone","fracture zone","23 30N","45 00W"
"Kane Gap","gap","9 15N","19 30W"
"Kane Seamount","seamount","21 08N","28 02W"
"Kangerdlugssuaq Valley","valley","67 20N","31 00W"
"Kangermio Canyon","canyon","64 00N","34 30W"
"Kapuskasing Saddle","saddle","44 38N","61 00W"
"Karin Seamount","seamount","17 55N","168 58W"
"Karitane Canyon","canyon","45 38S","171 10E"
"Karius Canyon","canyon","51 09N","178 58E"
"Kashima Tablemount","tablemount","35 45N","142 38E"
"Katakai Canyon","canyon","35 15N","141 00E"
"Kaukau Bank","bank","41 34S","175 30E"
"Kawainui Canyon","canyon","21 13N","156 48W"
"Kay Knoll","knoll","51 58N","178 52E"
"Kayar Canyon","canyon","14 57N","17 14W"
"Keathley Canyon","canyon","26 25N","93 27W"
"Keats Reef","reef","5 53N","173 28E"
"Keith Reef","reef","37 49N","10 56E"
"Keller Canyon","canyon","35 33N","74 41W"
"Kelso Reef","reef","24 10S","159 30E"
"Kelvin Seamount","seamount","38 50N","64 00W"
"Kepler Seamount","seamount","18 30N","109 35W"
"Kerguelen Plateau","plateau","55 00S","75 00E"
"Kermadec Ridge","ridge","30 30S","178 30W"
"Kermadec Trench","trench","30 00S","177 00W"
"Kermit Roosevelt Seamount","seamount","39 35N","146 00W"
"Kern Seamount","seamount","32 33N","166 00W"
"Kero Niuni Canyon","canyon","11 35S","40 42E"
"Kettle Canyon","canyon","43 59N","49 00W"
"Khachaturian Seamount","seamount","28 09N","162 00W"
"Khayyam Seamount","seamount","14 17N","107 02W"
"Kimmei Seamount","seamount","33 43N","171 30E"
"Kinan Seamounts","seamounts","30 00N","136 50E"
"King Arthur Canyon","canyon","48 30N","11 30W"
"King Island Shoal","shoal","65 00N","168 06W"
"King Island Valley","valley","64 45N","168 00W"
"Kingman Basin","basin","8 30N","167 30W"
"Kings Trough","trough","43 48N","22 00W"
"Kingston Shoal","reef","7 33N","111 35E"
"Kiska Basin","basin","51 07N","176 33E"
"Kiska Knoll","knoll","51 07N","176 24E"
"Kiska Spur","spur","51 18N","176 24E"
"Kitty Hawk Seamount","seamount","10 08N","111 15E"
"Kiwi Seamount","seamount","39 19N","64 36W"
"Kiwi Seamount","seamount","30 47S","173 52E"
"Klamath Ridge","ridge","41 10N","129 35W"
"Knauss Knoll","knoll","37 24N","70 52W"
"Knights Terrace","terrace","35 02S","175 10E"
"Knipovich Ridge","ridge","76 00N","7 30E"
"Kodiak Seamount","seamount","56 52N","149 15W"
"Kodiak Seamounts","seamounts","55 00N","140 00W"
"Koko Seamount","guyot","35 15N","171 35E"
"Kol'tso Seamount","seamount","40 30N","132 20E"
"Kolbeinsey Ridge","ridge","69 00N","17 30W"
"Kolff Shoal","shoal","7 00S","136 50E"
"Kolluall","valley","64 50N","24 20W"
"Komahashi Seamount","seamount","28 05N","134 40E"
"Komahashi-daini Seamount","seamount","29 53N","133 19E"
"Komandorskaya Basin","basin","57 00N","168 00E"
"Kong Karls Basin","basin","79 30N","29 00E"
"Kongsfjordrenna","valley","79 00N","10 00E"
"Koniuji Canyon","canyon","52 15N","175 17W"
"Kookoolik Valley","valley","64 10N","169 55W"
"Korai Reef","reef","33 07N","128 43E"
"Korean Plateau","plateau","38 30N","130 00E"
"Koro Basin","basin","17 45S","179 45E"
"Korovin Canyon","canyon","52 45N","174 05W"
"Kosciusko Tablemount","tablemount","10 18S","179 43E"
"Kossol Reef","reef","7 57N","134 41E"
"Kottono Canyon","canyon","34 52N","140 04E"
"Kotzebue Seamount","seamount","41 20N","146 20E"
"Koyo Bank","reef","8 26N","148 24E"
"Kozlova Canyon","canyon","54 32N","162 00E"
"Kozlova Spur","spur","54 16N","162 16E"
"Kronotskaya Canyon","canyon","54 00N","160 37E"
"Krylov Seamount","seamount","17 35N","30 07W"
"Krysi Canyon","canyon","51 30N","177 45E"
"Kuga Bank","bank","32 55N","128 30E"
"Kuril Basin","basin","47 00N","150 00E"
"Kuril Gap","gap","46 15N","152 00E"
"Kuril Ridge","ridge","47 00N","152 00E"
"Kuril Trench","trench","47 00N","155 00E"
"Kushiro Canyon","canyon","42 20N","145 00E"
"Kutuzov Seamount","seamount","15 13S","8 19W"
"Kyuquot Canyon","canyon","49 40N","127 48W"
"Kyushu-Palau Ridge","ridge","20 00N","136 00E"
"L'Espoir Ridge","ridge","33 00S","101 30E"
"La Chapelle Bank","bank","47 37N","7 18W"
"La Corun'a Canyon","canyon","43 48N","9 10W"
"La Corun'a Seamount","seamount","43 58N","14 17W"
"La Cruz Canyon","canyon","35 43N","121 25W"
"La Jolla Canyon","canyon","32 53N","117 17W"
"La Orchila Basin","basin","12 00N","65 30W"
"La Paz Basin","basin","24 30N","110 10W"
"La Perouse Bank","bank","48 40N","125 50W"
"La Perouse Seamount","seamount","19 39S","54 09E"
"La Rochelle Canyon","canyon","45 38N","3 47W"
"La Spezia Terrace","terrace","43 35N","9 45E"
"La Victoria Knoll","knoll","32 05N","117 50W"
"Labrador Basin","basin","53 00N","48 00W"
"Labrador Trough","trough","55 00N","56 30W"
"Lacaze-Duthiers Canyon","canyon","42 28N","3 28E"
"Lachlan Banks","bank","39 39S","177 35E"
"Lachlan Ridge","ridge","39 30S","177 50E"
"Lachlan Seamount","seamount","19 14S","169 32W"
"Ladd Reef","reef","8 40N","111 40E"
"Ladd Seamount","seamount","28 32N","176 40W"
"Lady Elgin Bank","reef","6 18N","149 28E"
"Lagrange Seamount","seamount","17 18N","110 55W"
"LaHave Bank","bank","43 10N","64 05W"
"LaHave Basin","basin","43 45N","63 45W"
"Lalla Rookh Bank","seamount","12 55S","175 40W"
"Lamont Guyot","guyot","21 32N","159 32E"
"Lamont Ridge","ridge","83 00N","153 00W"
"Lancaster Trough","trough","74 00N","85 30W"
"Landes Plateau","plateau","44 08N","2 42W"
"Langanesdjup","valley","66 40N","14 35W"
"Lansdowne Bank","bank","20 49S","161 24E"
"Laplace Seamount","seamount","14 40N","110 40W"
"Laskowski Seamount","seamount","51 50N","144 45W"
"Lastres Canyon","canyon","43 52N","4 33W"
"Lasuen Knoll","knoll","33 24N","118 00W"
"Lau Basin","basin","20 00S","177 00W"
"Lau Ridge","ridge","21 00S","178 30W"
"Laurentian Fan","fan","43 35N","55 55W"
"Laurentian Trough","trough","47 00N","60 00W"
"Lawson Reef","reef","8 46S","140 46W"
"Lazarev Trough","trough","65 35S","130 00E"
"Le Cher Bank","bank","8 30S","136 15E"
"Le Danois Bank","bank","44 05N","4 52W"
"Le Trou sans Fond","canyon","5 12N","3 58W"
"Learmonth Bank","bank","54 25N","133 05W"
"Learmonth Shoal","reef","15 42N","114 40E"
"Leeuwin Canyon","canyon","35 15S","115 30E"
"Lefacor Knoll","knoll","45 35N","157 23W"
"Leibnitz Seamount","seamount","16 50N","110 12W"
"Lena Tablemount","tablemount","53 00S","45 00E"
"Lena Trough","trough","83 00N","10 00W"
"Leonard Canyon","canyon","37 46N","73 51W"
"Leslie Bank","reef","11 04N","117 28E"
"Levantine Basin","basin","33 00N","29 00E"
"Leven Bank","reef","12 30S","47 50E"
"Lexington Seamount","seamount","13 00N","111 00E"
"Ligeti Ridge","ridge","62 00N","28 00W"
"Ligitan Reefs","reefs","4 15N","118 31E"
"Ligurian Canyon","canyon","43 45N","8 35E"
"Lihou Reefs","reefs","17 25S","151 40E"
"Lille Hellefiske Bank","bank","65 05N","53 30W"
"Lilly Canyon","canyon","44 52N","49 00W"
"Linden Bank","bank","16 17S","146 00E"
"Lindenkohl Basin","basin","42 35N","67 55W"
"Lindenkohl Canyon","canyon","38 46N","72 57W"
"Lindenkohl Knolls","knolls","42 30N","67 39W"
"Lindenows Valley","valley","60 20N","42 40W"
"Linosa Basin","basin","35 50N","13 10E"
"Lion Seamount","seamount","35 15N","15 35W"
"Lipari Ridge","ridge","38 30N","14 55E"
"Lipari Terrace","terrace","38 25N","14 30E"
"Lisboa Canyon","canyon","38 20N","9 20W"
"Liszt Seamount","seamount","28 59N","162 05W"
"Litke Canyon","canyon","57 55N","163 55E"
"Litke Trough","trough","81 15N","14 00E"
"Little Abaco Canyon","canyon","26 41N","76 45W"
"Little America Basin","basin","77 30S","162 00W"
"Little Bahama Bank","reefs","26 55N","78 40W"
"Little Georges","shoals","41 00N","68 17W"
"Little Sole Bank","bank","48 30N","8 45W"
"Little Stellwagen Basin","basin","42 07N","70 17W"
"Livock Reef","reef","10 11N","115 19E"
"Lizzie Webber","reef","8 04N","113 10E"
"Llanes Canyon","canyon","43 40N","4 23W"
"Llobregat Canyon","canyon","41 16N","2 11E"
"Lloyd Ridge","ridge","27 42N","86 30W"
"Lobachevskiy Seamount","seamount","16 29N","109 04W"
"Lofoten Basin","basin","70 00N","4 00E"
"Logan Canyon","canyon","43 15N","59 50W"
"Loihi Seamount","seamount","18 56N","155 16W"
"Loma Canyon","canyon","32 46N","117 29W"
"Lombok Basin","basin","9 50S","116 00E"
"Lomonosov Ridge","ridge","88 00N","140 00E"
"London Reefs","reefs","8 51N","112 32E"
"Long Basin","trough","32 00N","119 20W"
"Long Forties","bank","57 00N","0 30E"
"Lonsdjup","valley","63 55N","14 10W"
"Loon Shoal","shoal","70 35N","149 08W"
"Lord Auckland Shoal","reef","10 20N","117 17E"
"Lord Howe Basin","basin","32 50S","159 10E"
"Lord Howe Rise","rise","32 00S","162 00E"
"Lord Howe Seamounts","seamounts","28 00S","159 00E"
"Lorien Bank","bank","54 10N","19 50W"
"Los Frailes Canyon","canyon","23 22N","109 20W"
"Los Roques Basin","basin","12 20N","66 30W"
"Lost Dutchmen Ridge","ridge","24 10S","105 00E"
"Lost River Shoal","shoal","65 14N","167 10W"
"Loudoun Canyon","canyon","48 35N","126 20W"
"Lougheed Basin","basin","77 10N","108 30W"
"Louis Agassiz Guyot","tablemount","17 52N","178 12E"
"Louisa Bank","knoll","11 45S","175 56E"
"Louisiade Plateau","plateau","12 30S","158 00E"
"Louisville Ridge","ridge","31 00S","172 30W"
"Louisville Seamount","seamount","31 15S","172 15W"
"Loury Canyon","canyon","56 26N","22 00W"
"Lowrie Guyot","guyot","19 40N","150 47E"
"Loyalty Basin","basin","17 00S","165 00E"
"Lucia Canyon","canyon","35 58N","122 00W"
"Lund Valley","valley","26 48N","88 10W"
"Lurio Canyon","canyon","13 29S","40 36E"
"Lusitania Bank","reef","23 35N","111 42W"
"Luzon Ridge","ridge","20 00N","121 45E"
"Lydonia Canyon","canyon","40 28N","67 42W"
"Lyman Seamount","seamount","30 12N","137 55W"
"Lynch Seamount","seamount","32 45N","54 15W"
"Lynedoch Shoal","shoal","10 02S","130 48E"
"Lynher Reef","reef","15 26S","121 55E"
"Lyra Basin","basin","2 30N","151 30E"
"Lyra Reef","reef","1 50S","153 35E"
"Lyra Trough","trough","1 20S","152 05E"
"Lys Shoal","reef","11 19N","114 35E"
"M. N. Hill Ridge","ridge","3 30S","53 10E"
"Mabahiss Fracture Zone","fracture zone","2 45S","68 00E"
"Macaloe Canyon","canyon","11 55S","40 40E"
"Macaw Bank","knoll","10 43S","179 13W"
"Macclesfield Bank","bank","15 50N","114 20E"
"Macdonald Seamount","seamount","29 01S","140 17W"
"Macgowen Reef","reef","1 07S","89 54W"
"Mackenzie Spot","bank","43 58N","62 25W"
"Mackenzie Trough","trough","69 52N","138 10W"
"Macnab Seamount","seamount","45 11N","135 42W"
"MacNeil Bank","bank","28 01N","93 30W"
"Macomber Seamount","seamount","28 00N","163 50E"
"Macquarie Ridge","ridge","57 00S","159 00E"
"Macquarie Trench","trench","54 30S","159 20E"
"Macunga Canyon","canyon","11 10S","40 47E"
"Madagascar Basin","basin","27 00S","53 00E"
"Madagascar Plateau","plateau","30 00S","45 00E"
"Madalene Shoals","reefs","3 54N","112 58E"
"Madden Basin","basin","40 28S","177 00E"
"Madden Canyon","canyon","40 38S","177 20E"
"Madeira Plain","plain","32 00N","21 00W"
"Madeira Ridge","ridge","35 30N","15 45W"
"Madingley Rise","rise","4 15S","61 00E"
"Maeander Reef","reef","8 05N","119 18E"
"Maeno Bank","bank","37 13N","136 20E"
"Magdalena Escarpment","escarpment","23 30N","112 00W"
"Magdalena Fan","fan","12 00N","76 00W"
"Magellan Rise","rise","7 20N","177 00W"
"Magellan Seamounts","seamounts","17 30N","152 00E"
"Magnaghi Seamount","seamount","39 55N","11 45E"
"Magpie Bank","reef","5 43N","119 08E"
"Magpie Shoal","reef","16 03N","114 13E"
"Maher Seamount","seamount","29 30N","148 50W"
"Mahia Banks","bank","39 17S","177 53E"
"Mahin Canyon","canyon","6 00N","4 25E"
"Mahler Seamount","seamount","31 46N","164 58W"
"Maiko Seamount","seamount","34 02N","145 55E"
"Maio Seamount","seamount","14 48N","22 27W"
"Makar Canyon","canyon","51 09N","178 55E"
"Makarov Basin","basin","87 00N","170 00E"
"Makarov Seamount","seamount","29 30N","153 30E"
"Makassar Basin","basin","2 00S","118 00E"
"Makhahnas Seamount","seamount","20 28N","144 50E"
"Malay Reef","reef","17 58S","149 20E"
"Maldive Ridge","ridge","3 00N","73 00E"
"Mallory Seamount","seamount","36 54S","22 15E"
"Malloy Seamount","seamount","28 00S","8 50E"
"Malpelo Ridge","ridge","3 50N","81 13W"
"Malta Escarpment","escarpment","36 00N","15 40E"
"Malta Ridge","ridge","35 00N","17 30E"
"Malta Rise","rise","35 45N","15 00E"
"Malta Trough","trough","36 26N","13 24E"
"Mameyes Canyon","canyon","18 27N","65 43W"
"Mammerickx Seamount","seamount","27 32N","166 10E"
"Mangole Basin","basin","1 30S","126 20E"
"Mangsi Great Reef","reef","7 30N","117 15E"
"Manihiki Plateau","plateau","11 00S","164 00W"
"Manila Reef","reef","7 03N","148 57E"
"Manila Trench","trench","14 30N","119 05E"
"Manipa Basin","basin","3 40S","127 30E"
"Manning Seamounts","seamounts","38 10N","60 40W"
"Manokwari Trough","trough","0 10S","132 20E"
"Manus Basin","basin","3 35S","150 00E"
"Mapmaker Seamounts","seamounts","25 00N","165 00E"
"Mar del Plata Canyon","canyon","37 40S","53 40W"
"Marabout Shoal","reef","8 57N","118 19E"
"Marchand Seamount","seamount","54 50N","151 45W"
"Marchant Seamount","seamount","7 15N","22 15W"
"Marchi Seamount","seamount","40 15N","12 15E"
"Marcus-Wake Seamounts","seamounts","22 00N","158 00E"
"Margesson Shoal","reef","15 55N","114 38E"
"Margetts Seamount","seamount","14 33N","112 08E"
"Maria Magdalena Rise","rise","21 40N","107 15W"
"Mariana Basin","basin","17 30N","145 00E"
"Mariana Ridge","ridge","17 00N","146 00E"
"Mariana Trench","trench","15 00N","147 30E"
"Mariana Trough","trough","19 00N","144 00E"
"Marie Byrd Seamount","seamount","70 00S","118 00W"
"Marie Celeste Fracture Zone","fracture zone","17 30S","66 00E"
"Marie Louise Bank","reef","11 56N","116 53E"
"Marie Reef","reef","10 55S","130 06E"
"Marie Shoal","reef","3 41N","112 48E"
"Marietta Seamount","seamount","57 02N","28 41W"
"Marion Reef","reefs","19 10S","152 17E"
"Mariveles Reef","reef","7 59N","113 50E"
"Markham Canyon","canyon","6 45S","147 00E"
"Marmara Trough","trough","40 50N","28 30E"
"Maro Reef","reef","25 25N","170 35W"
"Marquesas Fracture Zone","fracture zone","9 15S","128 30W"
"Marsala Seamount","seamount","33 53N","34 17W"
"Marseille Canyon","canyon","43 00N","5 04E"
"Marshall Seamount","seamount","11 50N","165 00W"
"Marshall Seamounts","seamounts","10 00N","165 00E"
"Marvin Spur","spur","86 00N","110 00W"
"Maryland Seamount","seamount","15 50N","160 00W"
"Mascarene Basin","basin","15 00S","56 00E"
"Mascarene Plain","plain","19 00S","52 00E"
"Mascarene Plateau","plateau","10 00S","60 00E"
"Mason Canyon","canyon","46 57S","167 20E"
"Mathematicians Seamounts","seamounts","15 00N","111 00W"
"Matheson Bank","bank","43 55S","179 18W"
"Matinicus Basin","basin","43 35N","68 20W"
"Matsu Bank","bank","36 20N","135 56E"
"Matsuye Bank","reef","8 01N","148 01E"
"Mattole Canyon","canyon","40 17N","124 27W"
"Maud Rise","rise","66 00S","3 00E"
"Maud Seamount","seamount","65 00S","2 35E"
"Maurice Ewing Bank","plateau","51 00S","43 00W"
"Mauritania Canyon","canyon","16 50N","16 50W"
"Mauritius Trench","trench","23 30S","55 30E"
"Maury Seachannel","seachannel","56 33N","24 00W"
"Mavis Reef","reef","15 32S","123 40E"
"Mawson Bank","bank","73 30S","174 00E"
"Mazatlan Basin","basin","22 45N","108 10W"
"McAlinden Spur","spur","29 15N","77 07W"
"McAlinden Valley","valley","29 03N","77 07W"
"McArthur Reef","reef","52 04N","177 52E"
"McCall Seamount","seamount","18 45N","157 05W"
"McDougall Trough","trough","52 30S","161 00E"
"McGowan Seamount","seamount","8 24N","20 40W"
"McGrail Bank","bank","27 58N","92 36W"
"McKernan Seamount","seamount","42 20N","141 06W"
"McKinley Seamount","seamount","29 30N","137 15W"
"McLaughlin Bank","reef","9 07N","148 06E"
"McLeod Bank","reef","10 00S","50 27E"
"McManus Seamount","seamount","42 12N","139 08W"
"McNish Seamount","seamount","40 05S","8 25W"
"Mebuisi Canyon","canyon","10 36S","40 42E"
"Medina Bank","bank","34 50N","15 10E"
"Medina Seamount","seamount","3 17N","88 18W"
"Mediterranean Ridge","ridge","34 00N","23 00E"
"Medjumbe Canyon","canyon","11 45S","40 42E"
"Mednyy Seamount","seamount","55 25N","167 17E"
"Meiji Guyot","tablemount","53 05N","165 00E"
"Melanesian Basin","basin","0 05N","160 35E"
"Mellish Rise","rise","17 00S","156 00E"
"Mellish Seamount","seamount","34 00N","178 15E"
"Melmoore Seamount","seamount","6 06N","24 52W"
"Melville Bank","bank","38 29S","46 46E"
"Melville Fracture Zone","fracture zone","30 30S","60 40E"
"Melville Trough","trough","74 00N","108 30W"
"Memba Canyon","canyon","14 08S","40 40E"
"Memnon Shoal","reef","7 28N","118 25E"
"Menard Fracture Zone","fracture zone","50 00S","120 00W"
"Menard Seamount","seamount","42 12N","134 15W"
"Mendan'a Fracture Zone","fracture zone","16 00S","91 00W"
"Mendeleyev Plain","plain","81 00N","170 00W"
"Mendeleyev Ridge","ridge","80 00N","178 00W"
"Mendell Knoll","knoll","50 42N","157 12W"
"Mendelssohn Seamount","seamount","25 10N","161 39W"
"Mendocino Canyon","canyon","40 22N","124 27W"
"Mendocino Escarpment","escarpment","40 00N","140 00W"
"Mendocino Fracture Zone","fracture zone","40 00N","145 00W"
"Mendocino Ridge","ridge","40 22N","127 30W"
"Mendoza Rise","rise","20 10S","94 20W"
"Mendoza Seamount","seamount","9 30N","107 14W"
"Mentawai Basin","basin","1 30S","99 30E"
"Mentawai Ridge","ridge","1 00S","99 40E"
"Mentawai Trough","trough","4 00S","101 30E"
"Menzies Reef","reef","11 09N","114 49E"
"Mera Canyon","canyon","34 52N","139 42E"
"Mercator Basin","basin","33 00N","165 00W"
"Mergui Terrace","terrace","9 00N","96 45E"
"Meriadzek Terrace","terrace","47 30N","8 30W"
"Meridian Reef","reef","4 38N","119 17E"
"Merlin Seamount","seamount","9 05S","150 44W"
"Mernoo Bank","bank","43 18S","175 20E"
"Merriam Spur","spur","25 00S","82 30W"
"Mertz Ninnis Valley","valley","67 25S","146 00E"
"Merz Seamount","seamount","48 30S","5 30E"
"Mesyatsev Seamount","seamount","72 30N","0 30W"
"Meteor Rise","rise","46 00S","5 30E"
"Meteor Seamount","seamount","48 00S","8 30E"
"Metundo Canyon","canyon","11 05S","40 45E"
"Mexican Ridges","ridges","22 30N","96 10W"
"Mexico Basin","basin","25 00N","92 00W"
"Mey Canyon","canyon","39 07N","72 26W"
"MGU Seamount","seamount","12 20N","61 15E"
"MGU Seamount","seamount","12 20N","61 15E"
"Miami Guyot","guyot","21 40N","161 55E"
"Miami Terrace","terrace","25 45N","79 55W"
"Michael Seamount","seamount","36 22N","58 21W"
"Michaelmas Reef","reef","16 35S","146 02E"
"Michelson Ridge","ridge","25 48N","146 45E"
"Mid-Atlantic Ridge","cordillera","0 00N","20 00W"
"Mid-Indian Basin","basin","10 00S","80 00E"
"Mid-Indian Ridge","ridge","12 00S","66 00E"
"Mid-Pacific Mountains","seamounts","20 00N","178 00E"
"Middle America Trench","trench","15 00N","95 00W"
"Middle Arm","canyon","41 27S","174 46E"
"Middle Bank","bank","44 30N","60 35W"
"Middle Canyon","canyon","58 37N","176 45W"
"Middle Reef","reef","4 30N","119 15E"
"Middle Reef","reef","51 58N","176 03E"
"Middle Shoal","reef","9 59N","118 26E"
"Middle Toms Canyon","canyon","39 00N","72 37W"
"Middleton Basin","basin","27 00S","158 40E"
"Miklukho-Maklaya Seamount","seamount","8 28N","140 54E"
"Mill Creek Canyon","canyon","35 58N","121 35W"
"Miller Seamount","seamount","53 30N","144 20W"
"Milne Seamounts","seamount","44 30N","39 30W"
"Milwaukee Seamounts","seamounts","32 28N","171 55E"
"Minami-Kasuga Seamount","seamount","21 36N","143 38E"
"Minerva Seamount","seamount","17 05S","37 25W"
"Minerva Shoal","reef","20 50S","159 20E"
"Minerve Reef","reef","22 45S","133 35W"
"Minia Seamount","seamount","53 02N","34 51W"
"Minneapolis Ridge","ridge","5 25N","158 00W"
"Minnetonka Seamount","seamount","48 05N","168 30E"
"Minto Reef","reef","8 08N","154 15E"
"Misaine Bank","bank","45 15N","58 40W"
"Misaki Bank","bank","35 03N","139 29E"
"Misaki Canyon","canyon","35 08N","139 30E"
"Mischief Reef","reef","9 51N","115 32E"
"Mississippi Canyon","canyon","28 30N","89 45W"
"Mississippi Fan","fan","26 45N","88 30W"
"Mississippi Slope","slope","27 45N","89 50W"
"Mississippi-Alabama Shelf","shelf","29 40N","88 10W"
"Misteriosa Bank","reef","18 50N","83 50W"
"Mitchell Escarpment","escarpment","23 54N","82 10W"
"Miura Bank","bank","35 06N","139 27E"
"Miura Canyon","canyon","35 10N","139 28E"
"Mocambo Canyon","canyon","15 10S","40 45E"
"Mocha Fracture Zone","fracture zone","40 00S","77 45W"
"Moctezuma Trough","trough","16 30N","107 10W"
"Mogami Bank","reef","8 30N","148 45E"
"Mogami Trough","trough","39 00N","139 00E"
"Mohns Ridge","ridge","72 30N","5 00E"
"Mokio Canyon","canyon","21 17N","157 13W"
"Molloy Seamount","seamount","83 58N","105 10E"
"Molodezhnaya Seamount","seamount","15 11N","50 11W"
"Molokai Fracture Zone","fracture zone","23 00N","148 00W"
"Mona Canyon","canyon","19 00N","67 23W"
"Monmouth Shoals","reefs","6 43N","118 08E"
"Mono Rise","rise","12 00N","80 00W"
"Monsoon Seamount","seamount","14 20N","163 02W"
"Montague Seamount","seamount","20 25S","36 42W"
"Montecristo Trough","trough","41 40N","10 17E"
"Montepuez Canyon","canyon","12 33S","40 40E"
"Monterey Canyon","canyon","36 40N","122 05W"
"Monterey Fan","fan","36 00N","123 25W"
"Monticello Seamount","seamount","11 30N","160 03W"
"Moody Reef","reef","5 37N","112 22E"
"Moonless Mountains","seamounts","30 40N","140 00W"
"Moore Bank","bank","26 06N","113 26W"
"Moore Reefs","reefs","16 00S","149 15E"
"Moore Ridge","ridge","20 40S","177 20E"
"Moore Seamount","seamount","48 53N","136 00W"
"Morant Trough","trough","18 05N","75 30W"
"Moresby Seachannel","seachannel","50 18N","133 00W"
"Moresby Valley","valley","10 45S","146 45E"
"Moreton Seamount","seamount","26 10S","154 50E"
"Morgan Bank","bank","23 28N","111 10W"
"Morotai Basin","basin","3 00N","128 00E"
"Morozko Seamount","seamount","45 10N","158 15E"
"Morris Jesup Rise","rise","83 45N","20 00W"
"Morton Seamount","seamount","50 15N","142 45W"
"Moser Seamount","seamount","49 29N","136 55W"
"Moses Reef","reef","22 50S","151 15W"
"Motagua Fan","fan","17 30N","85 30W"
"Motukura Bank","bank","40 00S","177 22E"
"Mouchoir Bank","reefs","20 57N","70 42W"
"Moyune Shoal","reef","8 02N","118 08E"
"Mozambique Escarpment","escarpment","33 00S","36 30E"
"Mozambique Plateau","plateau","32 00S","35 00E"
"Mozart Seamount","seamount","28 40N","161 43W"
"Mucalanga Canyon","canyon","15 35S","40 37E"
"Muertos Trough","trough","17 12N","66 30W"
"Mugia Canyon","canyon","43 00N","9 45W"
"Mugu Canyon","canyon","34 03N","119 05W"
"Muir Seamount","seamount","33 41N","62 30W"
"Muirfield Reef","reef","13 13S","96 05E"
"Munson Canyon","canyon","40 38N","67 02W"
"Murchison Seamount","seamount","7 54N","21 00W"
"Murmansk Rise","rise","75 00N","37 00E"
"Murr Basin","basin","44 32N","67 15W"
"Murr Ledges","reef","44 30N","66 50W"
"Murray Basin","basin","42 30N","69 50W"
"Murray Basin","basin","51 37N","176 27E"
"Murray Canyon","canyon","51 30N","176 50E"
"Murray Fracture Zone","fracture zone","34 00N","135 00W"
"Murray Ridge","ridge","21 45N","61 50E"
"Murray Seamount","seamount","54 00N","148 30W"
"Murray Spur","spur","51 45N","176 30E"
"Musashi Banks","banks","44 45N","140 10E"
"Musicians Seamounts","seamounts","31 00N","162 00W"
"Mussau Ridge","ridge","1 15N","149 10E"
"Mussau Trench","trench","1 00N","148 30E"
"Mussorgsky Seamount","seamount","30 22N","163 50W"
"Mytilus Seamount","seamount","39 22N","67 09W"
"Nadeshda Basin","basin","30 00N","148 00E"
"Nagahira Bank","bank","37 20N","136 20E"
"Nagata Seamount","seamount","12 34N","167 01W"
"Naifeh Seamount","seamount","26 54N","168 08W"
"Naiwa Canyon","canyon","21 14N","157 04W"
"Nakano Bank","bank","37 34N","136 28E"
"Nakwe Seachannel","seachannel","37 00N","149 30E"
"Namaete Canyon","canyon","15 44S","40 34E"
"Namaqua Seamount","seamount","31 30S","11 20E"
"Nankai Trough","trough","32 10N","135 00E"
"Nanortalik Bank","bank","60 14N","46 20W"
"Nansen Basin","basin","84 30N","75 00E"
"Nansen Cordillera","cordillera","87 00N","90 00E"
"Nansen Reef","reef","54 16S","36 09W"
"Nantucket Canyon","canyon","39 50N","69 55W"
"Nantucket Shoals","shoals","41 11N","69 48W"
"Napier Seamount","seamount","15 45N","110 48W"
"Nares Bank","bank","11 25N","116 07E"
"Nares Basin","basin","23 30N","63 00W"
"Nares Plain","plain","23 30N","63 00W"
"Nashville Seamount","seamount","35 00N","57 20W"
"Natal Basin","basin","30 00S","40 00E"
"Natal Seamount","seamount","37 15S","22 15E"
"Natal Valley","valley","31 00S","33 15E"
"Naturaliste Fracture Zone","fracture zone","33 00S","107 35E"
"Naturaliste Plateau","plateau","34 00S","111 15E"
"Naugler Seamount","seamount","25 42N","168 43E"
"Nautilus Gap","gap","78 30N","157 30W"
"Navarin Canyon","canyon","60 30N","179 45E"
"Navarro Canyon","canyon","39 05N","124 07W"
"Navassa Knoll","knoll","18 23N","74 56W"
"Navidad Bank","tablemount","20 00N","68 50W"
"Navy Bank","seamount","32 17N","117 33W"
"Nazare Canyon","canyon","39 36N","9 20W"
"Nazareth Bank","bank","14 30S","60 45E"
"Nazca Ridge","ridge","22 00S","82 00W"
"Necker Ridge","ridge","22 00N","167 15W"
"Neddick Basin","basin","42 57N","70 15W"
"Neiba Valley","valley","17 45N","70 36W"
"Neilson Reef","reef","27 01S","146 02W"
"Nelson Guyot","tablemount","27 50N","145 45E"
"Neptuna Banks","reefs","16 30N","112 31E"
"Nerita Patch","bank","37 04N","12 50E"
"Nero Seamount","seamount","27 57N","177 58W"
"Nerpich'ye Canyon","canyon","55 48N","162 42E"
"Nerpich'ye Spur","spur","55 48N","163 07E"
"Neva Shoal","shoal","26 00N","173 55W"
"Nevel'skoye Seamount","seamount","45 30N","147 30E"
"New Britain Trench","trench","6 00S","153 00E"
"New Caledonia Basin","basin","30 00S","165 00E"
"New England Seamounts","seamounts","38 00N","61 00W"
"New Guinea Basin","basin","3 30S","146 00E"
"New Guinea Trench","trench","0 05N","135 50E"
"New Hebrides Ridge","ridge","17 00S","168 30E"
"New Hebrides Trench","trench","22 30S","170 00E"
"Newell Seamount","seamount","16 50N","154 45W"
"Newfoundland Basin","basin","45 00N","40 00W"
"Newfoundland Plain","plain","42 00N","45 00W"
"Newfoundland Ridge","ridge","40 30N","48 00W"
"Newfoundland Seamounts","seamounts","43 45N","45 00W"
"Newhouse Seamount","seamount","24 35N","163 16E"
"Newport Canyon","canyon","33 35N","117 55W"
"Newport Valley","valley","44 35N","125 08W"
"Newton Seamount","seamount","16 05N","111 35W"
"Nias Basin","basin","1 00N","98 15E"
"Nicaraguan Rise","rise","16 00N","80 00W"
"Nicholas Seamount","seamount","9 43N","161 07W"
"Nichols Seamount","seamount","42 50N","133 13W"
"Nicobar-Simuelue Basin","basin","4 00N","94 30E"
"Nidever Bank","bank","33 15N","119 49W"
"Nierenberg Seamount","seamount","44 19N","142 07W"
"Niger Fan","fan","4 15N","5 00E"
"Niglik Valley","valley","70 25N","131 32W"
"Nikitin Seamount","seamount","3 00S","83 00E"
"Nil Canyon","canyon","36 54N","5 58E"
"Nile Fan","fan","33 00N","31 00E"
"Ninetyeast Ridge","ridge","4 00S","90 00E"
"Ninigi Seamount","seamount","41 44N","170 13E"
"Ninomiya Canyon","canyon","35 15N","139 15E"
"Nintoku Basin","basin","40 00N","168 00E"
"Nintoku Seamount","guyot","41 00N","170 40E"
"Niobe Seamount","seamount","16 20N","84 57W"
"Nishi Reef","reef","32 50N","128 38E"
"Nishi-goto Seachannels","seachannels","32 45N","128 00E"
"Nishinotoro Banks","banks","37 25N","136 25E"
"Nitinat Canyon","canyon","48 08N","125 50W"
"Nitinat Fan","fan","47 55N","127 00W"
"Niuni Canyon","canyon","11 13S","40 45E"
"Noirmoutier Canyon","canyon","46 00N","4 15W"
"Nola Seamount","seamount","17 14N","25 32W"
"Nordenskjold Basin","basin","76 03S","165 00E"
"Nordhfjardhardjup","valley","65 08N","12 30W"
"Norfolk Canyon","canyon","37 04N","74 40W"
"Norfolk Ridge","ridge","29 00S","168 00E"
"Norman Reef","reef","16 26S","146 00E"
"Normanby Bank","reef","5 49N","119 13E"
"Norrie Seamount","seamount","32 21S","166 06E"
"North Aleutian Slope","slope","52 30N","175 00W"
"North American Basin","basin","30 00N","60 00W"
"North Australian Basin","basin","14 30S","116 30E"
"North Banda Basin","basin","3 30S","124 30E"
"North Bank","bank","52 00N","129 55W"
"North Charcot Seamount","seamount","45 07N","13 00W"
"North Danger Reef","reef","11 28N","114 20E"
"North Fiji Basin","basin","16 00S","174 00E"
"North Heyes Canyon","canyon","38 15N","73 32W"
"North Hinder","shoal","51 38N","2 34E"
"North Honeycomb Canyon","canyon","41 25S","175 53E"
"North Kenya Bank","bank","2 52S","40 50E"
"North Luconia Shoals","reefs","5 40N","112 35E"
"North Madden Bank","bank","40 20S","177 11E"
"North Magellan Rise","rise","13 00N","177 30W"
"North Makassar Basin","basin","1 00S","118 30E"
"North Maria Ridge","ridge","33 52S","172 08E"
"North New Hebrides Trench","trench","13 00S","166 00E"
"North Oki Bank","bank","38 00N","133 45E"
"North Reef","reef","11 28N","114 23E"
"North Regent Shoal","reef","8 38N","117 05E"
"North Seachannel","seachannel","45 45S","172 35E"
"North Solomon Trough","trough","7 00S","159 30E"
"North Tasman Seamounts","seamounts","33 15S","156 00E"
"North Tokelau Trough","trough","4 30S","167 30W"
"North Trinco Canyon","canyon","8 52N","81 25E"
"North Vereker Bank","bank","21 06N","116 00E"
"North Yamato Ridge","ridge","39 55N","133 50E"
"Northampton Seamount","seamount","11 35N","168 28W"
"Northampton Seamounts","seamounts","25 20N","172 04W"
"Northeast Bank","tablemount","32 20N","119 40W"
"Northeast Cape Shoal","shoal","63 20N","168 30W"
"Northeast Pacific Basin","basin","20 00N","140 00W"
"Northern Holiday Seamount","seamount","29 33N","147 45W"
"Northern Shelves","shelves","23 23N","88 42W"
"Northern Spur","spur","44 08N","60 48W"
"Northern Viti Canyon","canyon","39 00S","172 30E"
"Northwest Atlantic Mid-Ocean Canyon","seachannel","54 00N","48 00W"
"Northwest Bellona Reef","reef","20 48S","158 29E"
"Northwest Danger Shoals","reefs","7 41N","117 16E"
"Northwest Dellwood Knoll","knoll","50 53N","130 35W"
"Northwest Hawaiian Ridge","ridge","33 00N","175 18W"
"Northwest Pacific Basin","basin","40 00N","155 00E"
"Northwest Ramos Shoal","reef","8 07N","116 57E"
"Northwest Slope","slope","26 45N","95 40W"
"Northwind Escarpment","escarpment","76 30N","155 00W"
"Northwind Plain","plain","76 00N","161 00W"
"Northwind Ridge","ridge","75 00N","158 00W"
"Northwind Shoal","shoal","79 07N","15 30W"
"Norton Plain","plain","63 54N","168 00W"
"Norwegian Basin","basin","68 00N","2 00W"
"Norwegian Trench","trough","59 00N","4 30E"
"Nouakchott Canyon","canyon","18 03N","16 30W"
"Nova Bank","tablemount","23 00S","159 00E"
"Nova Trough","trough","2 30S","173 00W"
"Noyes Canyon","canyon","55 10N","134 22W"
"Noyo Canyon","canyon","39 31N","124 20W"
"Nuevo Bank","bank","20 33N","91 50W"
"Nuevo Reef","reef","21 49N","92 05W"
"Nygren Canyon","canyon","40 39N","66 30W"
"O  Bank","bank","36 24N","136 00E"
"O'Brian Seamount","seamount","29 11N","175 38E"
"Oates Bank","bank","70 15S","165 00E"
"Oates Canyon","canyon","68 00S","164 30E"
"Ob' Bank","bank","81 00N","10 00W"
"Ob' Tablemount","tablemount","52 30S","42 30E"
"Ob' Trench","trench","33 00S","98 00E"
"Obispo Norte Shoal","shoal","20 30N","92 12W"
"Obispo Sur Shoal","shoal","20 27N","92 14W"
"Obruchev Rise","rise","52 30N","166 00E"
"Obruchev Seamount","seamount","47 10N","150 45E"
"Oceanographer Canyon","canyon","40 30N","68 10W"
"Oceanographer Fracture Zone","fracture zone","35 00N","35 00W"
"Odessey Seamount","seamount","54 30N","149 45W"
"Odet Canyon","canyon","46 40N","5 08W"
"Oga Basin","basin","39 33N","139 36E"
"Ogamuko Bank","bank","39 51N","139 34E"
"Ogasawara Plateau","plateau","26 00N","144 00E"
"Ogasawara Trough","trough","28 00N","141 20E"
"Oglala Canyon","canyon","51 42N","179 25E"
"Oglala Seamount","seamount","50 18N","131 28W"
"Ogotoruk Valley","valley","68 00N","165 50W"
"Ojin Rise","rise","38 00N","167 30E"
"Ojin Seamount","guyot","38 00N","170 30E"
"Okhotsk Basin","basin","53 00N","148 00E"
"Okhotsk Plain","plain","52 00N","149 00E"
"Okhotsk Valley","valley","50 35N","155 00E"
"Oki Bank","bank","37 00N","133 00E"
"Oki Ridge","ridge","37 00N","135 00E"
"Oki Trough","trough","37 00N","135 30E"
"Oki-Daito Ridge","ridge","23 50N","133 00E"
"Okinawa Trough","trough","25 30N","125 00E"
"Okino Bank","bank","37 16N","136 18E"
"Okinoyama Bank","bank","34 58N","139 35E"
"Okmuk Canyon","canyon","53 50N","169 21W"
"Olbia Terrace","terrace","41 05N","10 20E"
"Olga Basin","basin","78 20N","29 00E"
"Oliver Shoal","reef","16 06N","114 28E"
"Oman Basin","basin","23 20N","63 00E"
"Oman Plain","plain","23 00N","61 00E"
"Ona Basin","basin","59 00S","56 00W"
"Ontong Java Rise","rise","1 00N","157 00E"
"Onyx Reef","reef","16 26S","146 04E"
"Opouawe Canyon","canyon","41 45S","175 23E"
"Orairuguron Seamount","seamount","7 14N","146 07E"
"Oraitilipu Bank","reef","8 03N","147 15E"
"Orange Canyon","canyon","32 00S","12 25E"
"Orange Fan","fan","32 00S","12 00E"
"Orca Basin","basin","26 55N","91 20W"
"Oreti Bank","bank","46 32S","168 05E"
"Orleana Shoal","reef","7 42N","111 45E"
"Ormonde Seamount","seamount","36 40N","11 10W"
"Ormsbee Reef","reef","0 36N","129 57E"
"Oropesa Canyon","canyon","40 10N","1 19E"
"Orosei Canyon","canyon","40 12N","9 54E"
"Orosei Seamount","seamount","39 42N","10 39E"
"Orosei Terrace","terrace","40 00N","11 00E"
"Orozco Fracture Zone","fracture zone","15 30N","104 30W"
"Orphan Knoll","knoll","50 23N","46 24W"
"Orphelin Bank","bank","48 18N","63 11W"
"Ortelius Fracture Zone","fracture zone","27 30N","165 00E"
"Osborn Bank","knoll","33 22N","119 02W"
"Osborn Plateau","plateau","14 45S","87 00E"
"Oshawa Seamount","seamount","52 22N","134 05W"
"Ostenso Seamount","seamount","84 00N","120 00W"
"Ostrovnoy Seamount","seamount","41 55N","134 00E"
"Ououkinsh Canyon","canyon","50 00N","128 00W"
"Outer Bailey","seamount","60 27N","12 30W"
"Outer Candelaria Canyon","canyon","23 00N","110 15W"
"Outer Gorda Bank","bank","23 01N","109 28W"
"Outer Shoal","reef","7 02N","117 00E"
"Owen Bank","bank","6 47S","70 14E"
"Owen Basin","basin","44 50N","66 45W"
"Owen Fracture Zone","fracture zone","12 00N","58 00E"
"Owen Shoal","reef","8 09N","111 58E"
"Oyster Reef","reef","16 38S","145 56E"
"Ozbourn Seamount","tablemount","26 00S","174 50W"
"Ozernoy Spur","spur","57 40N","163 40E"
"Pacific-Antarctic Ridge","ridge","62 00S","157 00W"
"Padang Bank","reef","4 02N","117 56E"
"Paganini Seamount","seamount","28 41N","162 40W"
"Pahaoa Canyon","canyon","41 35S","175 45E"
"Paisley Seamount","seamount","14 05S","41 30E"
"Palau Trench","trench","6 30N","134 30E"
"Palawan Trough","trough","7 00N","115 00E"
"Palermo Basin","basin","38 20N","13 35E"
"Palliser Arm","canyon","41 44S","175 05E"
"Palmas Canyon","canyon","23 45N","109 35W"
"Palmer Ridge","ridge","42 51N","20 00W"
"Palmer Seamount","seamount","18 38N","156 35W"
"Pamlico Canyon","canyon","34 20N","74 33W"
"Pamplona Spur","spur","59 30N","142 30W"
"Panama Basin","basin","5 00N","83 30W"
"Panama Fracture Zone","fracture zone","4 00N","82 45W"
"Panama Plain","plain","11 00N","79 00W"
"Pandora Bank","knoll","12 11S","172 05E"
"Pandora Bank","shoal","34 35S","172 35E"
"Pantelleria Basin","basin","36 33N","12 23E"
"Pantelleria Shoal","shoal","37 10N","12 05E"
"Panulirus Seamount","seamount","38 28N","64 50W"
"Panzarini Seamount","seamount","40 00S","11 45E"
"Papanui Canyon","canyon","45 53S","171 05E"
"Papatua Seamount","seamount","02 08N","124 54E"
"Papau Seamount","seamount","19 07N","155 16W"
"Papp Seamount","seamount","26 00N","20 20W"
"Papua Plain","plain","14 00S","151 30E"
"Papua Plateau","plateau","11 00S","148 15E"
"Paraiba Seamount","seamount","7 30S","33 25W"
"Paramount Seamount","seamount","3 20N","90 45W"
"Parengarenga Canyon","canyon","34 30S","173 24E"
"Parker Bank","bank","27 58N","92 02W"
"Parker Ridge","ridge","42 43N","68 51W"
"Parker Seamount","seamount","30 38N","162 11W"
"Parker Seamount","seamount","52 35N","151 15W"
"Parks Seamount","seamount","44 14N","129 56W"
"Parnaiba Ridge","ridge","2 00S","37 00W"
"Parry Shoal","reef","15 29N","113 50E"
"Partington Canyon","canyon","36 08N","121 45W"
"Pascal Seamount","seamount","15 49N","111 15W"
"Pasco Bank","seamount","13 05S","174 25W"
"Pasig Shoal","reef","9 54N","119 30E"
"Pasley Canyon","canyon","34 30S","124 15E"
"Patch, The","bank","44 15N","62 20W"
"Patella Bank","bank","37 09N","13 22E"
"Pathfinder Reef","reef","16 31N","143 08E"
"Pathfinder Seamount","seamount","50 55N","143 15W"
"Patricia Shoal","reef","3 38N","113 03E"
"Patti Canyon","canyon","38 49N","15 24E"
"Patton Escarpment","escarpment","32 30N","120 00W"
"Patton Ridge","ridge","33 30N","120 30W"
"Patton Seamount","seamount","54 40N","150 30W"
"Patton Seamounts","seamounts","54 20N","149 30W"
"Paul Revere Ridge","ridge","50 05N","129 30W"
"Paul Seamount","seamount","23 26N","172 36W"
"Pavlov Seamount","seamount","50 40N","162 00E"
"Payne Rock","reef","4 34N","119 13E"
"Payne Shoal","reef","15 52N","114 34E"
"Paz Bank","bank","21 15N","79 48W"
"Peake Trough","trough","43 03N","20 12W"
"Pearl Bank","bank","5 49N","119 42E"
"Pearson Reef","reef","8 58N","113 40E"
"Peary Trough","trough","79 20N","98 30W"
"Pedro Escarpment","escarpment","15 45N","78 40W"
"Pegasus Canyon","canyon","43 15S","173 40E"
"Pegasus Reef","reef","5 46N","118 50E"
"Peirce Seamount","seamount","53 44N","136 32W"
"Pelekunu Canyon","canyon","21 13N","156 54W"
"Pelorus Reef","reef","22 50S","176 28W"
"Pelsaert Seamount","seamount","31 14S","108 50E"
"Pendragon Escarpment","escarpment","49 00N","13 00W"
"Penguin Bank","bank","21 02N","157 30W"
"Penguin Bank","knoll","11 29S","175 29E"
"Penguin Reef","reef","15 39N","113 44E"
"Penguin Ridge","ridge","11 40S","176 00E"
"Peniscola Canyon","canyon","40 19N","1 20E"
"Penmarc'h Canyon","canyon","46 57N","5 40W"
"Pennant Canyon","canyon","51 55N","175 05E"
"Pennant Trough","trough","52 05N","175 30E"
"Pennell Bank","bank","74 30S","179 59E"
"Pennsylvania North Reef","reef","10 48N","116 51E"
"Penrhyn Basin","basin","7 30S","156 15W"
"Pensacola Seamount","seamount","18 17N","157 20W"
"Pera Bank","bank","20 43N","91 55W"
"Pernambuco Plain","plain","7 30S","27 00W"
"Pernambuco Plateau","plateau","8 10S","34 15W"
"Pernambuco Seachannel","seachannel","12 00S","33 15W"
"Pernambuco Seamounts","seamounts","8 30S","31 40W"
"Perpetua Bank","bank","44 17N","124 40W"
"Perret Seamount","seamount","19 28N","157 19W"
"Persey Rise","rise","77 45N","36 00E"
"Perth Basin","basin","28 30S","110 00E"
"Perth Canyon","canyon","31 50S","114 30E"
"Perth Plain","plain","28 30S","110 00E"
"Peru Basin","basin","15 00S","85 00W"
"Peru-Chile Trench","trench","20 00S","73 00W"
"Pervenets Canyon","canyon","59 30N","178 00W"
"Pescadero Canyon","canyon","23 48N","109 36W"
"Pescadero Trough","trough","24 00N","108 50W"
"Petacalco Canyon","canyon","17 30N","102 00W"
"Peters Canyon","canyon","52 30N","176 04E"
"Peters Ridge","ridge","50 33N","137 30W"
"Petersen Bank","bank","65 45S","109 55E"
"Petley Reef","reef","10 24N","114 34E"
"Petr Velikiy Seamount","seamount","42 00N","132 15E"
"Petrel Bank","bank","52 10N","179 50E"
"Petrel Bank","bank","24 40N","112 50W"
"Petrel Spur","spur","52 30N","179 45W"
"Phelps Bank","shoal","40 50N","69 20W"
"Philippine Basin","basin","17 00N","132 00E"
"Philippine Trench","trench","9 00N","127 00E"
"Phillips Shoal","reef","15 51N","114 25E"
"Phleger Bank","bank","27 50N","91 54W"
"Phoenix Canyon","canyon","37 50N","73 44W"
"Phoenix Ridge","ridge","41 06N","127 42W"
"Phoenix Seamounts","seamounts","4 00S","173 00W"
"Phoenix Trough","trough","41 00N","128 10W"
"Physalia Seamount","seamount","39 51N","66 57W"
"Pickersgill Seamount","seamount","46 43S","161 44E"
"Picket Seamount","seamount","39 38N","65 58W"
"Pickle Reef","reef","20 24N","80 29W"
"Pickle Seamount","seamount","20 28N","80 28W"
"Pico Fracture Zone","fracture zone","38 05N","34 45W"
"Pigafetta Basin","basin","20 30N","153 00E"
"Pigeon Reef","reef","8 52N","114 38E"
"Pilgrim Banks","banks","33 44N","119 10W"
"Pillar Bank","bank","52 03N","177 14E"
"Pillar Basin","basin","52 02N","177 21E"
"Pillsbury Seamount","seamount","0 25N","17 00W"
"Pin'ones Canyon","canyon","18 28N","65 57W"
"Pinar del Rio Knoll","knoll","23 10N","84 45W"
"Pining Canyon","canyon","61 40N","40 00W"
"Pinne Marine Patch","bank","37 06N","13 08E"
"Pinta Bank","bank","0 45N","90 44W"
"Pioneer Canyon","canyon","37 17N","123 15W"
"Pioneer Escarpment","escarpment","38 40N","128 10W"
"Pioneer Fracture Zone","fracture zone","38 30N","135 00W"
"Pioneer Ridge","ridge","38 45N","128 00W"
"Pioneer Seamount","seamount","37 21N","123 25W"
"Pioneer Tablemount","tablemount","26 00N","173 26W"
"Pixie Reef","reef","16 33S","145 52E"
"Plantagenet Bank","tablemount","31 59N","65 11W"
"Plateau de Rochebonne","reefs","46 12N","2 27W"
"Plato Seamount","seamount","33 10N","29 30W"
"Platts Bank","bank","43 09N","69 37W"
"Platts Basin","basin","43 25N","69 20W"
"Pliny Seamount","seamount","39 15N","14 23E"
"Pliny Trench","trench","34 40N","25 30E"
"Plover Shoal","reef","15 36N","114 28E"
"Pochnoi Canyon","canyon","52 00N","179 30W"
"Pochnoi Trough","trough","51 42N","179 50W"
"Pocklington Ridge","ridge","11 00S","155 00E"
"Pocklington Trough","trough","11 40S","155 30E"
"Podvodnikov Basin","basin","80 30N","168 00E"
"Poincare Seamount","seamount","15 15N","111 20W"
"Pokatyy Canyon","canyon","56 53N","163 08E"
"Pole Plain","plain","89 00N","45 00E"
"Policastro Terrace","terrace","39 52N","15 33E"
"Pollux Guyot","tablemount","25 45N","147 50E"
"Ponza Salerno Terrace","terrace","40 35N","13 50E"
"Popcorn Ridge","ridge","29 26N","117 40W"
"Porcupine Bank","bank","53 20N","13 30W"
"Porcupine Plain","plain","49 00N","16 00W"
"Porcupine Seabight","tongue","50 00N","13 00W"
"Porpoise Basin","basin","43 05N","70 10W"
"Porpoise Basin","basin","66 10S","128 30E"
"Port Clarence Valley","valley","65 23N","167 30W"
"Portland Reef","reef","23 41S","134 30W"
"Portlock Bank","bank","58 20N","150 30W"
"Portlock Reefs","reefs","9 32S","144 49E"
"Porto Seamount","seamount","40 40N","10 00W"
"Poseidone Seamount","seamount","39 40N","13 50E"
"Pothorst Canyon","canyon","60 00N","40 30W"
"Pourtales Escarpment","escarpment","24 15N","81 45W"
"Pourtales Terrace","terrace","24 25N","81 00W"
"Poverty Canyons","canyons","39 00S","178 15E"
"Powell Basin","basin","62 15S","49 30W"
"Powell Canyon","canyon","40 20N","67 22W"
"Powers Seamount","seamount","19 37N","158 55W"
"Poyo Seamount","seamount","19 13N","142 32E"
"Pratt Basin","basin","51 55N","178 50E"
"Pratt Seamount","seamount","56 10N","142 30W"
"President Jackson Seamount","seamount","42 33N","127 48W"
"President Thiers Bank","seamount","24 39S","145 51W"
"Prestrud Bank","bank","77 30S","159 30W"
"Pribilof Canyon","canyon","55 35N","170 00W"
"Prince Consort Bank","reef","7 53N","110 00E"
"Prince Edward Fracture Zone","fracture zone","46 00S","35 00E"
"Prince of Wales Bank","reef","8 07N","110 32E"
"Prince of Wales Shoal","shoal","65 54N","168 00W"
"Princesse Alice Bank","bank","38 00N","29 15W"
"Pritchett Seamount","seamount","50 20N","161 10W"
"Proa Seamount","seamount","11 20N","163 50W"
"Prokofiev Seamount","seamount","25 51N","157 53W"
"Protea Seamount","seamount","36 50S","18 05E"
"Protector Shoal","shoal","55 59N","28 10W"
"Protector Shoal","shoal","55 59N","28 10W"
"Provencaux Bank","bank","35 33N","2 27W"
"Providence Reef","reef","9 30S","51 15E"
"Ptolemy Basin","basin","27 30N","156 30E"
"Ptolemy Seamounts","seamounts","34 30N","25 00E"
"Puccini Seamount","seamount","32 15N","162 21W"
"Puerto Rico Ridge","ridge","21 00N","66 00W"
"Puerto Rico Trench","trench","20 00N","66 00W"
"Pukaki Canyon","canyon","43 20S","174 00E"
"Pukaki Gap","gap","43 40S","174 20E"
"Pukaki Knoll","knoll","49 20S","171 59E"
"Pukaki Saddle","saddle","49 15S","176 40E"
"Pulley Ridge","ridge","25 52N","83 36W"
"Pulmo Canyon","canyon","23 27N","109 22W"
"Putnam Seamount","seamount","51 33N","160 25W"
"Puysegur Bank","bank","46 30S","166 00E"
"Puysegur Trench","trench","48 20S","164 10E"
"Pygmy Shoal","reef","16 13N","114 41E"
"Quatsino Canyon","canyon","50 10N","128 10W"
"Quebrada Fracture Zone","fracture zone","3 40S","103 00W"
"Queen Charlotte Fan","fan","51 45N","131 30W"
"Queen Charlotte Terrace","terrace","52 45N","132 30W"
"Queen Charlotte Trough","trough","53 00N","133 30W"
"Queen Elizabeth Rise","rise","82 00N","110 30W"
"Queen Elizabeth Shelf","shelf","80 30N","100 00W"
"Queen of the Sea Bank","reef","10 24N","120 29E"
"Queensland Plateau","plateau","17 00S","150 00E"
"Queensland Tablemount","tablemount","27 35S","155 10E"
"Queensland Trough","trough","18 30S","148 00E"
"Queiros Fracture Zone","fracture zone","22 30S","95 00W"
"Queiros Seamount","seamount","10 00N","108 50W"
"Quinault Canyon","canyon","47 21N","125 08W"
"Quinn Seamount","seamount","56 15N","145 15W"
"Quionga Canyon","canyon","10 32S","40 40E"
"R.S.A. Seamount","seamount","39 40S","6 15 W"
"Rachmaninoff Seamount","seamount","29 35N","163 24W"
"Radford Ridge","ridge","12 00N","159 00W"
"Raff Seamounts","seamounts","44 09N","141 48W"
"Raita Bank","reef","25 37N","169 27W"
"Raitt Seamount","seamount","42 39N","143 03W"
"Rakiura Gap","gap","46 50S","168 18E"
"Ralik Ridge","ridge","8 00N","167 00E"
"Ramapo Bank","seamount","27 15N","145 10E"
"Rampart, The","ridge","31 00N","118 30W"
"Rancheria Basin","basin","12 45N","73 05W"
"Ranger Bank","bank","28 34N","115 30W"
"Rangiauria Spur","spur","45 25S","175 20W"
"Rankin Bank","bank","27 55N","93 27W"
"Rapano Ridge","ridge","26 40N","159 00W"
"Rat Fracture Zone","fracture zone","49 00N","178 00E"
"Rat Island Canyon","canyon","51 30N","177 51E"
"Ratak Ridge","ridge","10 00N","170 00E"
"Raukumara Plain","plain","36 20S","179 00E"
"Ravel Seamount","seamount","27 16N","161 40W"
"Raven Ridge","ridge","27 05N","159 49W"
"Rea Seamount","seamount","25 31N","167 15E"
"Rebman Seamount","seamount","7 17N","21 24W"
"Recorder Tablemount","tablemount","25 10S","154 50E"
"Redondo Canyon","canyon","33 49N","118 28W"
"Redondo Knoll","knoll","33 41N","118 34W"
"Reed Bank","bank","11 27N","116 54E"
"Reedjones Seamount","seamount","7 34N","21 05W"
"Rehoboth Seamount","seamount","37 30N","59 50W"
"Reinga Basin","basin","35 00S","170 25E"
"Reinga Ridge","ridge","33 30S","170 40E"
"Rene Shoal","reef","5 31N","119 10E"
"Rennell Island Ridge","ridge","12 15S","160 00E"
"Rennell Trough","trough","12 00S","159 15E"
"Researcher Ridge","ridge","15 15N","50 30W"
"Researcher Seamount","seamount","27 56N","68 14W"
"Reserve Bank","bank","43 15S","177 10E"
"Resolution Ridge","ridge","46 10S","165 00E"
"Retriever Seamount","seamount","39 48N","66 15W"
"Reunion Trench","trench","23 20S","52 15E"
"Revelle Seamount","seamount","42 21N","139 30W"
"Reydharfjardhardjup","valley","64 50N","12 45W"
"Reykjanes Basin","basin","62 30N","33 30W"
"Reykjanes Ridge","ridge","62 00N","27 00W"
"Reykjarfjardharall","valley","66 30N","21 10W"
"Reynisdjup","valley","63 18N","18 48W"
"Rezak Bank","bank","27 58N","92 22W"
"Rharb Valley","valley","34 45N","8 00W"
"Rhode Island Shelf Valley","shelf valley","41 10N","71 17W"
"Rhodes Basin","basin","35 55N","28 30E"
"Rhone Fan","fan","42 30N","5 00E"
"Rhone Fan","fan","41 00N","5 00E"
"Richards Seamount","seamount","42 50N","136 27W"
"Richardson Hills","hills","32 00N","77 30W"
"Richardson Seamount","seamount","40 45S","14 10E"
"Richmond Reef","reef","5 05N","112 43E"
"Riddells Reef","reef","4 37N","119 09E"
"Riemann Seamount","seamount","12 03N","110 04W"
"Rifleman Bank","reefs","7 45N","111 38E"
"Rio de la Plata Canyon","canyon","37 10S","53 44W"
"Rio Grande Gap","gap","30 30S","39 10W"
"Rio Grande Rise","rise","31 00S","35 00W"
"Ritchie Banks","banks","39 38S","178 20E"
"Rittenburg Bank","bank","37 53N","123 20W"
"Rivera Fracture Zone","fracture zone","18 40N","107 15W"
"Robbie Bank","reef","11 03S","176 53W"
"Robbie Ridge","ridge","10 15S","175 00W"
"Roberts Canyon","canyon","52 27N","179 21E"
"Rochambeau Bank","seamount","15 09S","176 42W"
"Rock Knoll","knoll","30 19N","129 23E"
"Rockall Bank","bank","57 30N","13 50W"
"Rockall Rise","rise","59 00N","14 00W"
"Rockall Trough","trough","57 00N","12 00W"
"Rockaway Seamount","seamount","36 10N","52 15W"
"Rodgers Basin","basin","42 30N","68 30W"
"Rodgers Pass","gap","42 35N","68 43W"
"Rodgers Seamount","seamount","17 05S","36 50W"
"Rodrigues Fracture Zone","fracture zone","20 00S","67 00E"
"Rodrigues Ridge","ridge","19 30S","62 00E"
"Rodriguez Seamount","seamount","34 03N","121 04W"
"Roggeveen Basin","basin","31 30S","95 30W"
"Roggeveen Rise","rise","31 25N","91 30W"
"Roia Canyon","canyon","43 45N","7 39E"
"Romanche Fracture Zone","fracture zone","0 00N","17 00W"
"Romanche Gap","gap","0 10S","18 15W"
"Rompidas Ledge","reef","23 47N","80 28W"
"Roo Rise","rise","12 00S","111 00E"
"Rosa Seamount","seamount","26 12N","114 58W"
"Rosalind Bank","bank","16 30N","80 30W"
"Rosario Bank","bank","18 30N","84 05W"
"Rose Blanche Bank","bank","47 25N","58 50W"
"Rosemary Bank","seamount","59 15N","10 10W"
"Rosenberg Seamount","seamount","25 30N","168 03E"
"Roseway Bank","bank","43 25N","64 45W"
"Roseway Basin","basin","43 10N","65 05W"
"Ross Bank","bank","76 45S","176 00E"
"Ross Canyon","canyon","75 00S","163 00W"
"Rossini Seamount","seamount","32 12N","163 00W"
"Rost Bank","bank","68 00N","11 30E"
"Rotuma Reef","reef","13 25S","179 21W"
"Rouse Seamount","seamount","28 26N","167 39E"
"Rovuma Canyon","canyon","10 26S","40 30E"
"Rowley Shelf","shelf","20 00S","117 00E"
"Rowley Shoals","reefs","17 20S","119 10E"
"Royal Bishop Banks","reefs","9 42N","108 10E"
"Royal Charlotte Bank","bank","16 00S","38 00W"
"Royal Charlotte Reef","reef","7 00N","113 35E"
"Royal Trough","trough","16 10N","49 00W"
"Royalist Bank","reef","8 11N","105 11E"
"Ruapuke Basin","basin","46 53S","168 30E"
"Rude Canyon","canyon","53 18N","178 45E"
"Rude Knoll","knoll","52 50N","179 30E"
"Rumble III Seamount","seamount","35 45S","178 28E"
"Rune Seamount","seamount","57 10N","45 10W"
"Ryofu Seamount","seamount","37 59N","145 58E"
"Ryukyu Ridge","ridge","26 00N","127 00E"
"Ryukyu Trench","trench","24 45N","128 00E"
"S. Smith Seamount","seamount","26 58N","164 21E"
"Sa'o Vicente Canyon","canyon","36 57N","9 25W"
"Saavedra Seamount","seamount","10 18N","107 40W"
"Saba Bank","reefs","17 30N","63 30W"
"Sabina Shoal","shoal","9 45N","116 29E"
"Sabine Bank","reefs","29 27N","93 40W"
"Sable Island Bank","bank","43 45N","60 30W"
"Sables d'Olonne Canyon","canyon","45 54N","4 03W"
"Sackett Bank","bank","28 38N","89 33W"
"Sado Ridge","ridge","39 00N","138 45E"
"Saga Guyot","guyot","43 25N","170 00E"
"Sagami Bank","bank","35 09N","139 23E"
"Sagami Canyon","canyon","35 15N","139 22E"
"Sagami Trough","trough","34 42N","139 40E"
"Saglek Bank","bank","59 00N","61 40W"
"Saharan Seamounts","seamounts","25 30N","19 50W"
"Sahul Bank","reefs","11 30S","125 00E"
"Sahul Shelf","shelf","12 30S","125 00E"
"Saint Canyon","canyon","51 30N","176 55E"
"Saint Croix Basin","basin","18 02N","64 10W"
"Saint Croix Ridge","ridge","17 40N","65 15W"
"Saint Croix Valley","valley","17 38N","64 26W"
"Saint Esprit Shoal","reef","19 32N","113 00E"
"Saint George Canyon","canyon","56 00N","172 00W"
"Saint Helena Shoal","shoal","32 25N","80 21W"
"Saint Lawrence Trough","trough","63 10N","168 23W"
"Saint Lawrence Valley","valley","62 50N","168 40W"
"Saint Matthew Canyon","canyon","58 30N","177 20W"
"Saint Nazaire Canyon","canyon","46 10N","4 28W"
"Saint Paul Fracture Zone","fracture zone","0 40N","24 40W"
"Saint Paul Seamount","seamount","27 36N","165 48E"
"Saint Paul Spur","spur","57 30N","173 35W"
"Saint Pierre Bank","bank","38 57S","77 44E"
"Saint Pierre Bank","bank","46 00N","56 00W"
"Saint Rogatien Bank","bank","24 20N","167 08W"
"Saint Vincent Fracture Zone","fracture zone","55 00S","144 00E"
"Saint-Lazarus Bank","reef","12 05S","41 25E"
"Sakuyama Peak","peak","22 21N","143 06E"
"Sala y Gomez Ridge","ridge","25 00S","98 00W"
"Salado Canyon","canyon","23 17N","109 21W"
"Salajar Trough","trough","6 20S","120 35E"
"Salerno Basin","basin","40 18N","14 27E"
"Salmon Bank","seamount","26 56N","176 28W"
"Salsipuedes Basin","trough","29 15N","113 30W"
"Saltito Canyon","canyon","23 25N","109 20W"
"Sambro Bank","bank","43 45N","63 20W"
"Samoa Basin","basin","16 00S","166 00W"
"San Andres Ridge","ridge","13 30N","81 20W"
"San Andres Trough","trough","13 10N","81 35W"
"San Antonio Reef","reef","22 02N","85 00W"
"San Clemente Basin","trough","32 15N","117 50W"
"San Clemente Canyon","canyon","32 45N","118 13W"
"San Clemente Escarpment","escarpment","32 58N","118 30W"
"San Clemente Ridge","ridge","33 00N","118 34W"
"San Cristobal Trench","trench","11 15S","162 45E"
"San Diego Trough","trough","32 40N","117 35W"
"San Gabriel Canyon","canyon","33 34N","118 04W"
"San Isidro Basin","basin","31 05N","116 45W"
"San Jaime Bank","reef","22 50N","110 15W"
"San Jose Canyon","canyon","22 45N","109 50W"
"San Juan Seamount","seamount","33 02N","121 00W"
"San Lucas Canyon","canyon","22 45N","109 55W"
"San Miguel Gap","gap","33 54N","121 00W"
"San Nicolas Basin","basin","33 03N","119 05W"
"San Pablo Canyon","canyon","27 15N","114 35W"
"San Pablo Seamount","seamount","38 50N","60 22W"
"San Pedro Basin","basin","33 33N","118 26W"
"San Pedro Escarpment","escarpment","33 41N","118 22W"
"San Pedro Martir Basin","basin","28 20N","112 30W"
"San Pedro Valley","valley","33 39N","118 17W"
"San Quintin Basin","basin","30 00N","116 40W"
"San Salvador Knoll","knoll","32 18N","117 54W"
"San Vito Ridge","ridge","38 22N","12 53E"
"Sanak Bank","bank","54 16N","162 00W"
"Sanak Reef","reef","54 20N","162 43W"
"Sanders Reef","reef","36 04S","138 20E"
"Sanders Seamount","seamount","52 30S","2 00E"
"Sandettie Bank","shoal","51 14N","1 57E"
"Sandman Reefs","reefs","54 45N","162 00W"
"Sandy Shoal","reef","11 03N","117 38E"
"Sangihe Ridge","ridge","3 50N","125 35E"
"Sangihe Trough","trough","4 50N","126 15E"
"Sant Eufemia Terrace","terrace","39 35N","15 40E"
"Santa Barbara Basin","basin","34 15N","120 03W"
"Santa Canyon","canyon","17 29N","120 25E"
"Santa Cruz Basin","basin","33 40N","119 33W"
"Santa Cruz Basin","basin","12 00S","163 00E"
"Santa Cruz Canyon","canyon","33 55N","119 49W"
"Santa Cruz-Catalina Ridge","ridge","33 33N","118 45W"
"Santa Isabel Trough","trough","8 30S","158 30E"
"Santa Lucia Bank","bank","43 36N","9 29E"
"Santa Lucia Bank","bank","34 50N","121 24W"
"Santa Lucia Escarpment","escarpment","34 40N","121 42W"
"Santa Lucia Valley","valley","35 21N","121 45W"
"Santa Maria Canyon","canyon","22 50N","109 45W"
"Santa Maria Ridge","ridge","36 58N","27 00W"
"Santa Monica Basin","basin","33 45N","118 50W"
"Santa Monica Canyon","canyon","33 55N","118 38W"
"Santa Rosa Reef","reef","12 50N","144 25E"
"Santa Rosa-Cortes Ridge","ridge","33 20N","119 50W"
"Santander Canyon","canyon","44 10N","3 35W"
"Santiago Canyon","canyon","23 40N","109 36W"
"Santo Anta'o Ridge","ridge","18 50N","26 30W"
"Santo Domingo Basin","basin","18 10N","69 30W"
"Santo Tomas Knoll","knoll","32 30N","118 41W"
"Santos Plateau","plateau","25 00S","43 00W"
"Sardinia Seamount","seamount","40 04N","10 08E"
"Sardinia Terrace","terrace","39 30N","10 10E"
"Sardinia-Corsica Trough","trough","41 10N","10 33E"
"Sarera Basin","basin","2 15S","135 30E"
"Sargo Plateau","plateau","78 15N","178 00W"
"Sarmiento Ridge","ridge","7 00S","84 00W"
"Sars Bank","seamount","59 35S","69 00W"
"Sau Sau Ridge","ridge","15 45S","179 00E"
"Saunders Basin","basin","76 50S","155 00W"
"Saunders Canyon","canyon","45 58S","171 00E"
"Saury Seamount","seamount","12 30N","80 55W"
"Savage Seamount","seamount","18 28S","169 14W"
"Savannah Seamounts","seamounts","19 00S","152 00W"
"Savu Basin","basin","9 15S","123 15E"
"Saxon Reef","reef","16 28S","145 59E"
"Saxton Seamount","seamount","47 24N","157 30W"
"Saya de Malha Bank","bank","10 30S","61 30E"
"Sayniq Canyon","canyon","33 33N","35 20E"
"Scalesby Castle Shoal","reef","9 05N","117 18E"
"Scantum Basin","basin","42 50N","70 30W"
"Scarlatti Seamount","seamount","27 37N","160 15W"
"Scatarie Bank","bank","45 58N","59 15W"
"Scawfell Shoal","reef","7 17N","106 51E"
"Schaefer Seamount","seamount","43 00N","132 26W"
"Schmidt-Ott Seamount","seamount","39 37S","13 30E"
"Schoppe Ridge","ridge","51 10N","139 30W"
"Schott Seamount","seamount","48 39N","155 52W"
"Schouwen Bank","shoal","51 45N","3 21E"
"Schubert Seamount","seamount","31 56N","162 09W"
"Schumann Seamount","seamount","25 42N","160 11W"
"Schwabenland Seamount","seamount","46 00S","0 15E"
"Scoresby Valley","valley","70 00N","21 30W"
"Scotian Shelf","shelf","44 00N","62 00W"
"Scott Island Bank","ridge","67 45S","179 55W"
"Scott Plateau","plateau","13 20S","120 30E"
"Scott Reef","reef","14 00S","121 50E"
"Scott Seachannel","seachannel","49 55N","133 00W"
"Scott Seamount","seamount","50 30N","141 30W"
"Scott Seamounts","seamounts","60 00S","179 50W"
"Scott Shoal","shoal","73 15S","177 45E"
"Scripps Canyon","canyon","32 52N","117 16W"
"Scripps Guyot","guyot","23 50N","159 23E"
"Sculpin Ridge","ridge","15 45N","167 20W"
"Scuso Bank","knoll","38 15N","12 33E"
"Sea Otter Valley","valley","51 20N","129 00W"
"Seadragon Ridge","ridge","12 30N","158 45W"
"Seafox Seamount","seamount","30 30S","172 45W"
"Seahorse Breakers","reef","5 31N","112 36E"
"Seahorse Shoal","reef","10 48N","117 48E"
"Sealark Fracture Zone","fracture zone","4 00S","68 30E"
"Seamap Seachannel","seachannel","51 45N","162 30W"
"Sebaou Canyon","canyon","37 05N","3 43E"
"Second Thomas Shoal","reef","9 44N","115 50E"
"Sedlo Seamount","seamount","40 25N","26 55W"
"Sedna Fracture Zone","fracture zone","47 30N","145 00W"
"Sedna Ridges","ridges","47 30N","143 16W"
"Seewarte Seamounts","seamounts","30 00N","28 30W"
"Sefsaf Canyon","canyon","36 49N","3 33E"
"Seguam Canyon","canyon","52 40N","172 36W"
"Segula Basin","basin","50 31N","178 00E"
"Segula Canyon","canyon","52 12N","177 54E"
"Segula Knoll","knoll","50 28N","177 58E"
"Segundo Seamount","seamount","13 00N","165 05W"
"Seine Plain","plain","34 00N","12 15W"
"Seine Seamount","seamount","33 45N","14 25W"
"Selkirk Rise","rise","37 00S","82 00W"
"Sembuni Reefs","reefs","2 17N","109 11E"
"Seminole Seamount","seamount","49 46N","129 50W"
"Sengfeller Seamount","seamount","49 50N","157 45W"
"Sentry Bank","reef","5 40N","119 18E"
"Seringapatam Reef","reef","13 38S","122 05E"
"Sermilik Valley","valley","64 30N","36 30W"
"Serrano Seamounts","seamounts","11 10N","163 00W"
"Serrano Tablemount","tablemount","9 15N","158 05W"
"Setubal Canyon","canyon","38 15N","9 15W"
"Sevuokuk Spur","spur","63 46N","172 24W"
"Sewell Ridge","rise","42 41N","67 50W"
"Seychelles Bank","bank","4 45S","55 30E"
"Seydhisfjardhardjup","valley","65 20N","13 00W"
"Seymour C