\ EÁ=NAMEC=POSITIONC>>GEBCO#C|SMSCALEINTC’REMARKSC«’ ABBOTT Seamount 31 48'N - 174 18'E5.06* (November 1982) ABRAHAM Canyon52 37'N - 172 20'E813* ABROLHOS Bank 18 30'S - 38 30'W5.12* ABROLHOS Ridge18 00'S - 37 00'W202 ADAK Canyon51 25'N - 177 05'W813* ADAMS Seamount50 01'N - 176 14'W50-813* ADARE Seamounts70 10'S - 171 50'E5.14, 5.18 ADELAIDE Bank6 35'S - 56 47'E70-71-73-702-703INT Charts: (ED-1879) ADMIRAL ZENKER Seamount :See ZENKER Seamount AEGIR Ridge64 50'N - 6 15'W to 67 30'N - 2 00'W5.04, 5.17* (December 1983) AFANASY NIKITIN Seamount3 00'S - 83 10'E5.0970-71-73* = NIKITIN Seamount AFRICANA Rise46 00'S - 42 30'E5.0970-72* = Bank AFRICANA Seamount37 15'S - 29 10'E5.0921-70-72-204* = AFRICANA Seamount AGADIR Canyon30 40'N - 11 00'W5.08* AGASSIZ Fracture Zone40 30'S - 138 00'W to 38 00'S - 125 00'W5.11* AGATTU Canyon52 23'N - 172 35'E813* AGERHOLM Seamount34 25'N - 135 35'W50-51* AGRIA Bank16 30'N - 72 05'E705 AGUILAS Seamount37 15'N - 0 42'W301 AGULHAS Bank35 20'S - 20 45'E5.09204* AGULHAS Basin46 S - 10 E to 46 S - 30 E5.09, 5.1670-72* AGULHAS Plateau40 00'S - 26 00'E5.0921-22-70-72-204 AGULHAS Ridge43 30'S - 7 00'E to 37 00'S - 18 30'E5.12, 5.1621-204Formerly CAPE Rise AKADEMII NAUK Rise49 30'N - 150 00'E5.02511* and INT 511 = A.N.Rise AKTIVNESET62 28'N - 3 38'E101Continental slope ALAGOAS Seamounts9 45'S - 34 15'W202-215 ALASKA Plain55 00'N - 143 00'W50-810* ALASKA: *see GULF OF ALASKA Seamount Province ALBATROS Bank22 50'N - 84 15'W402 ALBATROS Plateau10 00'N - 103 00'W51-802-811* = ALBATROSS ALBATROSS Bank56 10'N - 152 20'W810* ALBATROSS Bank17 42'N - 75 40'W400-402* (November 1986) ALBORAN Basin35 50'N - 4 30'W to 36 25'N - 1 50'W301* ALDEN Seamount49 05'N - 158 45'W50* ALEUTIAN Basin57 00'N - 180 00'5.02, 5.0350-813-814* ALEUTIAN Ridge51 30'N - 178 00'W813* ALEUTIAN Rise50 15'N - 175 00'E5.02* (December 1985) ALEUTIAN Terrace50 40'N - 179 00'W50-813* ALEUTIAN Trench54 00'N - 166 30'E to 54 00'N - 158 30'W5.02, 5.0350-810* ALEXA Bank11 35'S - 175 20'E604* ALEXANDER Seamount18 57'N - 153 28'W809* ALGERIAN Basin37 30'N - 2 00'E5.05301* GEBCO-SCGN/7 ALGERIAN-TYRRHENIAN Trough38 20'N - 9 35'E301* ALGOL Seamount2 15'S - 84 30'W5.11811* (April 1984) ALICE Shoal16 05'N - 79 22'W400-401-402-811* ALIDADE Bank35 44'N - 1 25'W301* ALIX Seamount17 30'S - 61 20'E5.0970-71-72-702* (April 1986) ALMIRANTE BROWN Canyon45 25'S - 57 55'W5.12, 5.16200* ALMIRANTE LEITE Bank26 10'S - 35 03'E70-72, 701* = Knolls ALMIRANTE SALDANHA Seamount22 20'S - 37 35'W5.1220-201-202* INT Charts = Bank ALPHA Ridge85 30'N - 120 00'W5.17* = Cordillera. ALPHECCA Seamount18 20'N - 117 08'W50-51-802* ALSEK Valley58 30'N - 139 30'W50-810* ALTAIR Seamount44 35'N - 33 50'W5.0811-13-14-103* ALULA-FARTAK Trench13 00'N - 51 10'E to 14 50'N - 52 20'E5.05705* GEBCO-SCGN/6 ALVARADO Ridge5 20'S - 83 30'W5.11* AMAMI Plateau28 10'N - 132 10'E509* AMAZON Canyon3 30'N - 48 30'W5.08, 5.12* = Canyons. AMAZON Cone4 30'N - 46 45'W5.08, 5.1212-216* and INT 12 = Fan. GEBCO : should be Fa AMEGHINO Canyon43 20'S - 57 20'W5.12200* AMERICA-ANTARCTIC Ridge60 15' - 20 00'W to 56 00'S - 4 30'W5.16 AMERICA : See LITTLE AMERICA Basin, MIDDLE AMERICA Trench. AMERY Basin68 15'S - 74 30'E5.13 AMIRANTE Bank5 45'S - 53 15'E5.09* AMIRANTE Basin7 00'S - 54 30'E702-703* AMIRANTE Trench8 00'S - 52 40'E5.09701-702* AMLIA Basin52 30'N - 173 00'W813* AMLIA Canyon52 54'N - 173 15'W813* AMLIA Knoll53 05'N - 173 53'W813* AMPERE Seamount35 05'N - 12 55'W5.0811-12-14-103-104* AMUKTA Canyon53 10'N - 171 45'W813* AMUNDSEN Abyssal Plain65 00'S - 125 00'W5.15, 5.18 AMUNDSEN Basin87 00'N - 10 00'W to 82 00'N - 130 00'E5.17* AMUNDSEN Ridges69 15'S - 123 00'W5.15, 5.18 AMUNDSEN Trough 70 30'N - 123 00'W5.03, 5.17 * (January 1985) ANDAMAN Basin10 30'N - 94 30'E5.05, 5.06706* ANDAMAN-NICOBAR Ridge12 00'N - 93 00'E706* ANDREW BAIN Fracture Zone51 00'S - 28 52'E to 41 00'S - 35 21'E5.09GEBCO-SCGN/6 ANDREW Tablemount6 45'N - 50 30'E71-72, 703* ANGOLA Abyssal Plain12 45'S - 2 00'E5.12* = Plain ANGOLA Basin9 00'S - 3 00'E to 21 00'S - 1 00'E5.1214-21-22-203-204-209* ANIMAL Basin31 20'N - 117 35'W802* ANNA DE KONINGH Seamount53 22'S - 24 59'E5.13GEBCO-SCGN/6 ANTALYA Canyon36 40'N - 30 45'E5.05* (September 1984) ANTARCTIC Canyon71 30'S - 41 15'W5.18 ANTARCTIC : See PACIFIC-ANTARCTIC Ridge ANTARES Bank45 11'S - 49 46'E70-72 ANTIALTAIR Seamount43 35'N - 22 25'W11-14-103* ANTON BRUUN Ridge9 00'S - 52 30'E5.09* ANTON DOHRN Seamount57 25'N - 11 10'W5.0411-14-102* APPLEQUIST Seamount55 25'N - 142 45'W50-810* APUUPUU Seamount18 34'N - 155 28'W809* AQUARIUS Seachannel48 15'N - 157 15'W to 53 00'N - 155 20'W5.03GEBCO-SCGN/6 ARABIAN Basin12 00'N - 65 00'E5.0571-72-73-703-705* ARAFURA Shelf10 00'S - 135 00'E5.10* ARCTIC MID OCEAN RidgeGEBCO-SCGN/7, see GAKKEL Ridge ARENA Canyon38 58'N - 124 07'W801* ARGENTINE Abyssal Plain47 00'S - 53 30'W to 48 00'S - 46 00'W5.12, 5.1620-201* = Plain, GEBCO-SCGN/7 ARGENTINE Basin43 00'S - 43 00'W5.12, 5.1622-200* ARGENTINA Rise42 00'S - 47 30'W5.12 ARGENTINA Seamount37 40'S - 18 10'E5.1221-22-72-204* ARGO Bank23 15'S - 159 30'E5.1060-602* (November 1986) ARGO Fracture Zone16 00'S - 63 00'E to 11 00'S - 69 00'E5.09* ARGO Plain14 30'S - 116 00'E5.10* GEBCO-SCGN/7 ARGUELLO Canyon34 21'N - 121 05'W801* ARGUELLO Terrace34 30'N - 120 55'W802* ARROWSMITH Bank21 05'N - 86 28'W400-401* ARUBA Gap13 45'N - 72 00'W12-13-400-402* ARU Basin5 30'S - 133 45'E5.10* ASCENSION Fracture Zone7 45'S - 18 30'W to 6 00'S - 8 15'W5.12* ASHTON Seamount38 00'N - 13 20'W103* ASQUITH Bank8 45'S - 47 10'E5.09701-702GEBCO-SCGN/6 = replaces WILKES Rise ASTERIAS Seamount38 54'N - 65 18'W403* ASTORIA Canyon46 15'N - 124 30'W801* ASTORIA Fan45 15'N - 126 15'W5.0750-801* ASTRID Ridge68 00'S - 11 30'E5.16, 5.18* (June 1987) ATKA Basin51 20'N - 174 00'W813* ATKA Seamount50 16'N - 175 10'W50-813* ATLANTIC :See MID-ATLANTIC Ridge & NORTHWEST ATLANTIC MID-OCEAN Channel ATLANTIS Fracture Zone30 45'N - 45 30'W to 29 00'N - 37 00'W5.08* ATLANTIC Seamount34 05'N - 30 15'W5.0811-12-14* ATLANTIS II Fracture Zone29 30'S - 57 30'E to 37 00'S - 57 15'E5.09* ATWATER Valley27 30'N - 87 30'W5.08* (November 1982) AURORA Canyon65 00'S - 49 30'W5.18 AUSTRAL Fracture Zone20 30'S - 130 00'W to 18 30'S - 123 00'W5.11* AUSTRALIA :See NORTH AUSTRALIA Basin and SOUTH AUSTRALIA Basin AUSTRALIAN-ANTARCTIC Basin58 00'S - 115 00'E to 58 00'S - 135 00'E5.13* = SOUTH INDIAN Basin GEBCO-SCGN/7 AUSTRALIAN-ANTARCTIC Discordance49 00'S - 124 00'E5.14 AVENZOAR Bank36 30'N - 2 22'W301 AVES Ridge13 00'N - 63 30'W5.08400-402* AZORES-BISCAY Rise43 30'N - 17 30'W5.08* AZORES :See EAST AZORES Fracture Zone. BAGRATION Seamount15 28'S - 6 27'W5.12203GEBCO-SCGN-1988 BAHAMA Ridge30 00'N - 75 25'W to 26 30'N - 74 40'W5.08GEBCO-SCGN/6 BAHAMA :See GREAT BAHAMA Bank BAHIA BLANCA Canyon41 25'S - 55 25'W5.12200* BAHIA Seamounts14 25'S - 32 15'W20-202-215 BAILEY : See OUTER BAILEY Bank and LOUSY Bank BAILEY'S :See BILL BAILEY'S Bank BAIRD Seamount16 15'N - 162 20'W50-51* = Seamounts. BAJA CALIFORNIA Seamount Province26 00'N - 124 00'W50-51-802* BAKER Seachannel54 34'N - 137 15'W810* BALANUS Seamount39 25'N - 65 23'W403-404* BALI Basin7 45'S - 115 45'E5.09, 5.10* BALLENY Seamounts65 40'S - 161 45'E5.14, 5.18 BANDA :see NORTH BANDA Basin and SOUTH BANDA Basin. BANDERAS Canyon20 30'N - 105 46'W802* BANZARE Bank58 50'S - 77 00'E5.13* = Seamounts BARANOF Seachannel55 00'N - 137 30'W810* BARBADOS Basin12 00'N - 59 25'W402* = Trough BARBADOS Ridge12 45'N - 59 35'W12-13-400-402* BARCOO Bank32 35'N - 156 15'E5.1060-602* = Tablemount, INT Charts = Seamount BARDIN Seamount13 55'S - 53 40'E5.0970-71-72-702* BARENTS Abyssal Plain85 00'N - 40 00'E5.17* = Plain BARONIE Seamounts40 35'N - 10 15'E301-302 BARRACUDA Ridge16 20'N - 57 15'W5.08 BARREN Ridge (or BARREN-NICOBAR Ridge or BARREN ISLAND Ridge)12 15'N - 93 30'E706* BASSAS DE PEDRO13 00'N - 72 25'E72-73-705Bank BATAVIA Seamount25 40'S - 100 30'E5.0970-73-708* BAUER Basin10 00'S - 101 00'W5.11* BAUER Fracture Zone14 40'S - 101 30'W to 15 00'S - 98 00'W5.11* BAUER Scarp10 00'S - 104 45'W5.11* BEAN Seamount52 15'N - 147 00'W50-810* BEAR Seamount39 55'N - 67 25'W12-13-403-404* BEATA Ridge16 00'N - 72 30'W5.08400-402* BELEM Ridge 0 20'N - 41 00'W5.1212-13* BELGICA Bank78 15'N - 12 30'W5.17* BELGRANO :See GENERAL BELGRANO Bank BELLINGSHAUSEN Abyssal Plain63 00'S - 85 00'W5.15, 5.18* = Plain BELLINI Seamount32 42'N - 163 11'W50-51* BELLONA Gap40 00'S - 165 45'E5.10* BENGAL Fan17 00'N - 89 00'E to 6 00'N - 85 00'E5.05* = GANGES Fan GEBCO-SCGN/7 BERGEN Bank60 00'N - 2 30'E101 BERING Canyon54 08'N - 168 15'W5.03813* BERLANGA Ridge 8 30'N - 95 00'W5.07* = Rise GEBCO-SCGN/63 BERLIN Seamount32 51'N - 166 00'W50* BERMUDA Rise32 40'N - 62 30'W5.0811-12-13-400-403 BETTY Guyot29 20'S - 174 00'E5.10 BIGHT Fracture Zone57 00'N - 35 30'W to 56 45'N - 30 00'W5.04 BILL BAILEY'S Bank60 35'N - 10 20'W5.0411-14-102* = BILL BAILEYS BISCAY Abyssal Plain45 30'N - 7 00'W5.08103* = Plain BISHOP Seamount18 50'N - 159 02'W50-51-809* BIZET Seamount32 16'N - 161 38'W50-51* BJORNOYA Bank75 20'N - 21 00'E5.1710* = SPITSBERGEN Bank, INT Charts = SPITSBERGEN Bank BLACKFIN Ridge26 00'N - 159 00'W50-51-809* BLAKE Escarpment28 30'N - 76 40'W5.08* BLAKE Plateau29 30'N - 78 30'W5.08* BLAKE Ridge31 15'N - 74 45'W to 28 50'N - 72 45'W5.08* = BLAKE = BAHAMA, GEBCO-SCGN/6 BLANCO Fracture Zone44 30'N - 130 20'W to 43 30'N - 127 30'W5.07* BLIGH :See GEORGE BLIGH Bank BLOSSOM Bank17 51'N - 77 59'W400-401-402-403-811 BODEGA Canyon38 14'N - 123 35'W801-802* BOGOROV Ridge42 40'N - 136 20'E511* = Seamount BOLLES Knoll49 00'N - 157 45'W50* BOLLONS Seamount49 50'S - 176 30'W5.1461* = Tablemount BONAIRE Basin11 25'N - 67 30'W402* BONAPARTE Seamount15 40'S - 7 00'W5.1221-22-203* BONE Basin 6 00'S - 121 30'E5.10* BORCHGREVINK Canyon70 15'S - 170 15'E5.18 BOREAS Abyssal Plain77 00'N - 1 00'E5.17* = Plain BORIS KARASEV Bank46 07'S - 83 55'W5.11GEBCO-SCGN/7 = subject to confirmation BOSEI Seamount37 08'N - 145 20'E511 BOUGAINVILLE Reef15 32'S - 147 05'E5.10* BOUNTY Plateau48 30'S - 179 00'E5.1460-600INT Charts = Platform BOUNTY Trough46 15'S - 178 00'E5.1060-600* BOUTELLE Seamount39 01'N - 131 05'W50-51-801* BOUVET Fracture Zone54 45'S - 1 00'E to 53 30'S - 3 10'E5.16* (June 1987) BOWDITCH Seamount32 44'N - 64 33'W403* BOWERS Bank54 20'N - 179 40'E5.02813* BOWERS Basin53 30'N - 176 00'E5.02813* BOWERS Canyon71 12'S - 173 30'E5.18* BOWERS Canyon52 50'N - 179 25'W813* BOWERS Ridge55 00'N - 176 45'E to 53 00'N - 179 30'W5.02, 5.0350-813* BOWERS Seamount54 05'N - 174 47'E50-813* BOWIE Canyon52 34'N - 179 00'E813* BOWIE Seamount53 20'N - 135 40'W5.0350-801-810* BOYD :See LOUISE A. BOYD Bank. BRAHMS Seamount31 09'N - 162 19'W50-51* BRASILIAN Abyssal Plain10 00'S - 25 00'W201-202-215 BRATEGG Bank64 50'S - 68 10'W5.18* BRAZIL Basin15 00'S - 25 00'W5.1212-14-21-22-201-202-215 BRIGHAM Seamount19 08'N - 158 44'W809* BRISBANE Guyot26 55'S - 155 05'E5.1060-602* = Tablemount, INT CHARTS = Seamounts BRISTOL Canyon54 55'N - 169 00'W5.03813* BRITANNIA Guyots28 15'S - 155 40'E5.1060-602* = Tablemounts, INT Charts = Seamounts. BROKEN Ridge30 45'S - 92 15'E to 32 15'S - 98 15'E5.0970-73-708* GEBCO = Plateau BROOKS Banks24 05'N - 166 50'W809* BROUWER Seamount31 52'S - 109 00'E5.09* BROWN Bank21 30'N - 74 44'W400-401-402-403* (April 1984) BROWN Bank10 40'N - 117 15'E507* = Reefs BROWN BEAR Seamount46 01'N - 130 25'W50-801* BROWN Seamount55 00'N - 138 30'W50-810* BROWN :See ALMIRANTE BROWN Canyon BRUCE Ridge60 00'S - 34 45'W to 61 15'S - 37 30'W5.16* GEBCO-SCGN/7 BRUUN : See ANTON BRUUN Ridge BRYAN Seamount17 55'N - 152 44'W51-809-810* BUFFON Canyon65 15'S - 145 00'E5.18 BULLARD Fracture Zone58 00'S - 14 15'W to 58 00'S - 5 30'W5.16*(July 1983) GEBCO-SCGN/6 BULLDOG Bank10 02'S - 50 45'E5.09* BURDICK Knoll45 51'N - 157 48'W50* BURDWOOD Bank54 15'S - 59 00'W5.1620-200* BYRAMGORE Reef11 55'N - 71 46'E71-72-73 BYRD Canyon75 25'S - 157 15'W5.18 BYRD :See MARIE BYRD Seamount CABLIERS Bank35 42'N - 2 15'W301* CABRILLO Seamount22 50'N - 109 15'W802* CAICOS Bank21 35'N - 71 55'W400-402-403* CALIFORNIA Seamount17 50'N - 124 00'W50-51-802* CALOOSAHATCHEE Seamount34 40'N - 49 45'W12-13* CAMPBELL Plateau50 40'S - 171 00'E5.1460-600* CAMPBELL Rise52 30'S - 170 00'E5.14* = Spur CAMPBELL Seamount50 16'N - 141 55'W50-810* CAMPECHE Bank22 00'N - 90 00'W5.07, 5.08* CANADA Abyssal Plain76 00'N - 150 00'W5.17* = Plain CANADA Basin72 30'N - 150 00'W to 83 00'N - 130 00'W5.17* CANARY Basin30 00'N - 24 00'W11-12-14-104* CANO Seamount10 16'N - 110 00'W802* CANTOR Seamount16 19'N - 109 22'W51-802-811* CAP BRETON Canyon43 45'N - 2 30'W5.08* CAP HORN Seamount36 41'S - 78 52'E5.09GEBCO-SCGN - Dec. 1987 CAPE Abyssal Plain35 15'S - 11 45'E5.12 CAPE Basin35 45'S - 6 45'E5.1221-22-203-204* CAPE JOHNSON Tablemount17 08'N - 177 15'W809* CAPEL Bank25 00'S - 159 35'E5.10602* = Tablemount CAPE RiseSee AGULHAS Ridge CAPE VERDE Abyssal Plain23 00'N - 24 00'W5.0814* = Plain CAPE VERDE Plateau17 50'N - 20 00'W5.0812-14-104-215* = Terrace CAPE VERDE Seamount15 20'N - 22 00'W14* CAPRICORN Seamount18 40'S - 172 10'W5.1060-605* = Tablemount CARDNO Guyot12 57'S - 6 05'W5.1221-22-203* = (April 1984) Tablemount CARGADOS CARAJOS Bank16 30'S - 59 30'E5.09* CARLISLE Canyon53 28'N - 170 15'W813* CARLSBERG Ridge10 00'N - 58 00'E to 0 00' - 67 00'E5.0571-72-73-703* CARMEN Basin26 15'N - 110 30'W5.07802* CARNEGIE Ridge1 00'S - 89 00'W to 1 00'S - 82 00'W5.1151-811* CARNEGIE Seamount0 15'S - 81 53'W811* CAROLINE Seamounts7 15'N - 144 00'E to 6 00'N - 157 15'E5.06* = Ridge CAROLINE :See EAST CAROLINE Basin and WEST CAROLINE Basin CARONDELET Reef5 33'S - 173 50'W617* CARYN Seamount36 40'N - 67 56'W11-12-403* CASCADIA Basin46 40'N - 128 00'W5.03, 5.0750-801* CASCADIA Seachannel43 30'N - 130 00'W50-801* CATALINA Basin33 10'N - 118 30'W801* CAUVIN Bank6 46'S - 72 22'E702-703 CAYMAN Ridge19 00'N - 82 20'W to 19 45'N - 79 00'W400-402* CAYMAN Trench18 50'N - 81 30'W to 19 20'N - 78 40'W5.0812-13-400-402-403* CAY SAL Bank23 45'N - 80 00'W400-401-403* CEARA Abyssal Plain6 00'N - 41 30'W5.08, 5.1212-13-20-216* = Plain CEARA Plateau3 20'S - 37 30'W12-13-20-216* (March 1985) CEARA Ridge6 00'N - 45 00'W to 3 30'N - 41 00'W5.08, 5.1212-13-20-216* = AMAZON Ridge, GEBCO-SCGN/6 CEARA Seamounts1 30'S - 38 45'W to 1 45'S - 37 05'W20-216* PARNAIBA Ridge CEARA Terrace2 15'S - 39 00'W12-13-20-216* (March 1985) CEDROS Escarpment27 20'N -115 30'W802* CEDROS Trench28 00'N - 116 00'W5.07802* CELEBES Basin3 00'N - 122 00'E5.06508* CELTIC Shelf50 00'N - 8 00'W5.04* CENTRAL Bank75 00'N - 37 00'E10* = MURMANSK Rise CENTRAL Fracture Zone18 00'N - 128 10'E to 15 00'N - 132 30'E5.06509* =CENTRAL Basin Trough, INT Charts=CENTRAL Basin, Fault CENTRAL INDIAN Ridge5 00'S - 68 00'E to 25 00'S - 70 00'E5.0970-71-72-73* = MID-INDIAN Ridge CENTRAL KARA Rise80 30'N - 80 00'E5.17 CENTRAL PACIFIC Basin9 00'N - 180 00'5.06, 5.07, 5.00506* CENTURION Bank7 40'S - 70 50'E70-71-72-73-702 CERMENO Seamount10 23'N - 108 46'W802-811* CERRALVO Seamount24 12'N - 109 35'W802* CHAGOS Bank6 15'S - 72 00'E5.0970-71-72-73-702-703-707(see also GREAT CHAGOS Bank) INT Charts = GREAT CHAGOS Bank * (April 1986) CHAGOS Trench9 00'S - 73 00'E to 3 30'S - 74 15'E5.0970-71-72-73-702-703-707* CHAGOS-LACCADIVE Ridge13 30'N - 72 30'E to 9 00'S - 70 30'E5.05, 5.09 CHAIN Fracture Zone2 30'S - 20 00'W to 0 30'N - 10 00'W5.12202-215-216* CHAIN Ridge5 00'N - 53 30'E5.0571-72-703* CHALLENGER Deep11 20'N - 142 15'E5.06* (November 1982) CHALLENGER Fracture Zone37 00'S - 90 00'W to 35 00'S - 80 00'W5.11*= 34 00'S - 110 00'W CHALLENGER Plateau39 20'S - 168 40'E5.1060-600-601* CHALLENGER :See GLOMAR CHALLENGER Basin CHAMPLAIN Seamount20 15'S - 37 20'W5.12* CHARCOT Canyon67 30'S - 80 00'W5.18 CHARCOT Deep-Sea Fan66 30'S - 90 00'W to 65 10'S - 82 30'W5.18 CHARCOT Seamounts44 50'N - 13 00'W5.08103* (September 1983) CHARLIE GIBBS Fracture Zone52 30'N - 45 00'W to 52 15'N - 30 00'W5.0411-14-102* = December 1983) CHARLOTTE Bank11 45'S - 173 10'E604* CHATHAM Rise43 30'S - 180 00'5.1060-600* CHAUCER Seamounts42 50'N - 28 55'W5.0811-14-103INT Charts = Bank CHAUTAUQUA Seamount22 10'N - 162 40'W50-51-809* CHELAN Seamount49 45'N - 131 32'W50-801* CHERBANIANI Reef12 20'N - 71 50'E71-72 CHILE Basin28 00'S - 77 00'W5.11* CHILE Fracture Zone36 30'S - 102 00'W to 35 45'S - 93 00'W5.11* CHALLENGER Fracture Zone 34 00'S - 110 00'W CHILE Ridge45 50'S - 77 30'W5.16 CHILE Rise40 00'S - 90 00'W5.11* CHILE Trench51 45'S - 76 30'W to 56 50'S - 70 00'W5.15 CHILE :See PERU-CHILE Trench CHINA :See SOUTH CHINA Basin CHINCHORRO Bank18 35'N - 87 22'W400-401* CHINOOK Trough44 00'N - 173 00'W5.0750* CHIRIKOF Knoll55 36'N - 154 27W5.03GEBCO-SCGN/7 CHIRIKOF Seamount54 50'N - 152 50'W50-810* CHOPIN Seamount26 08'N -162 03'W50-51* CHUKCHI Abyssal Plain76 45'N -172 00'W5.17* = Plain CHUROV Seamount17 29'S - 9 53'W5.12GEBCO-SCGN/7 = Subject to confirmation CHUKCHI Plateau77 50'N - 164 00'W5.17* (June 1987)= Borderland CIPANGU Basin34 00'N - 149 00'E5.06* (Septembre 1984) GEBCO-SCGN/6 CLAIRAUT Seamount17 59'N - 110 29'W802* CLARION Bank20 50'N - 74 00'W400-402* (November 1986) CLARION Fracture Zone14 00'N - 149 00'W to 18 30'N - 120 00'W5.0750-51-802* CLARK Bank8 05'S - 139 40'W607* = Reef CLARK Basin10 50'N - 80 40'W400-402-811* CLARK Seamount20 00'N - 157 38'W809* CLERKE Reef17 10'S - 119 20'E71 CLIPPERTON Fracture Zone3 00'N - 150 00' to 10 00'N - 114 00'W5.0751-802-811* CLIPPERTON Ridge10 30'N - 110 00'W51-802-811* CLIPPERTON Seamounts9 30'N - 111 00'W5.07802* COBB Seamount46 46'N - 130 49'W50-801* COCO-DE-MER Seamounts0 00' - 55 40'E5.0971-72-703* GEBCO = Seamount COCOS Basin1 00'N - 93 00'E71-73-707See GEBCO-SCGN/7 * (October 1986) COCOS Ridge2 30'N - 90 00'W to 7 30'N - 84 00'W5.0751* COCOS KEELING Rise13 00'S - 96 30'E70-71-73-708* COCOS :See WEST COCOS Seamount COIBA Ridge6 30'N - 81 45'W811* COLBECK Basin77 00'S - 159 30'W5.18 COLOMBIA Basin14 00'N - 76 00'W5.0812-13-400-402* = COLOMBIAN COLOMBIAN Trench3 15'N - 78 45'W5.07* COLON Ridge2 00'N - 96 00'W5.07* COLORADO Seamount33 15'N - 37 20'N11-12-14* COLUMBIA Seamount20 45'S - 32 00'W5.12* COLVILLE Ridge30 00'S - 180 00'5.10600-602* COMORO Basin14 00'S - 44 00'E701-702* COMSTOCK Seamount48 15'N - 156 50'W5.0350* CONCEPTION Bank29 55'N - 12 45'W11-12-14-104* INT 11-14 = Seamount CONFIANCE Shoal18 30'S - 152 30'W606-607INT 606 = Seamount CONGO Canyon5 50'S - 9 20'E5.12* CONGO Cone6 00'S - 8 30'E5.12* = Fan, GEBCO = should be Fan. CONGRESS Seamount33 07'N - 54 49'W11-12-13* CONRAD Fracture Zone55 50'S - 6 30'W to 55 30'S - 1 30'W5.16* (June 1987) CONRAD Rise53 00'S - 41 00'E5.13 (CONSTANTINE Bank)20 25'S - 171 15'E5.10This feature has been canceled by AUS Notice to Mariners 793/1984 COOK Canyon51 20'N - 128 40'W5.03* (June 1984) GEBCO-SCGN/6 (Replaces COOK Trough) COOK Fracture Zone26 30'S - 169 00'E to 28 30'S - 179 00'E5.10GEBCO-SCGN/7 COOPER Ridge7 00'N - 149 00'W5.07* CORA DIVH13 45'N - 72 10'E71-72-73-705Bank. CORAL Basin13 40'S - 151 20'E5.10604* and INT 604 + CORAL SEA Basin CORAL PATCH Bank34 56'N - 11 57'W103-104* = Seamount CORNER Seamounts35 30'N - 51 30'W5.0811-12-13* CORREIRA Bank6 30'S -57 10'E702-703* = Guyot CORSO-LIGURIAN Basin42 55'N -8 00'E5.05301GEBCO-SCGN/7 CORTES Bank32 28'N - 119 10'W801-802* COWIE Seamount54 10'N - 149 20'W5.0350-810* CRARY Bank74 55'S -170 00'E5.18* CRAWFORD Seamount38 40'S - 11 10'W5.1221-22* CREST Seamount24 35'N - 117 05'W50-51-802* CRETAN Trough35 45'N - 25 55'E302* CROSLEY Seamount16 55'N - 152 26'W50-51-809* CROSS Seamount18 45'N -158 15'W50-51-809* CROUGH Seamount24 45'S - 121 45'W5.11* (June 1984) GEBCO-SCGN/6 CROZET Basin39 00'S - 60 00'E70-72-73-700* CRUISER Seamount 32 23'N - 27 37'W5.0811-12-14* = Tablemount, INT 12 = Tablemount CUVIER Basin22 00'S - 111 00'E5.09, 5.1060-708* CUVIER Canyon64 40'S - 140 00'E5.18 CUVIER Plateau24 10'S - 108 20'E5.0960-708* DACIA Seamount31 10'N - 13 35'W5.0811-12-14-104* DAIGO-KASIMA Seamount35 46'N - 144 19'E510 DAIITI-KASIMA Seamount35 49'N -142 40'E510* = KASHIMA Tablemount DAIITI-KINAN Seamount30 28'N - 136 18'E510 DAINI-KASIMA Seamount36 05'N - 143 28'E510 DAINI-KINAN Seamount30 10'N - 136 43'E510* DAITO Ridge25 35'N - 132 10'E5.06509* DAIYON-KASIMA Seamount34 16'N - 144 00'E510 DAKAR Canyon14 10'N - 18 15'W5.08* DALL Seamount58 10'N - 145 35'W50-810* DALY Canyon65 30'S - 62 30'E5.18 DALY Seamount18 08'N - 157 40'W104* DAMPIER Ridge24 00'S - 157 00'E to 34 00'S - 158 30'E5.1060-602* GEBCO-SCGN/7 DAMPIER Seamount11 09'S - 0 27'W21-22-203* (April 1984) DANA Fracture Zone12 00'S - 97 45'W to 13 30'S - 93 30'W5.11* DA