h5-ga_name+UPPER(ga_undfea)$Y-b6k ?tABBOTT SEAMOUNT ABRAHAM CANYON ABROLHOS BANK ABROLHOS RIDGE ABUBACER RIDGE ACESTE SEAMOUNT ADAK CANYON ADAMS SEAMOUNT ADANA TROUGH ADARE SEAMOUNTS ADELAIDE BANK ADMIRAL ZENKER SEAMOUNT !ADVENTURE BANK AEGIR RIDGE AFANASY NIKITIN SEAMOUNT AFRICANA RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tAGADIR CANYON AGASSIZ FRACTURE ZONE AGATTU CANYON AGERHOLM SEAMOUNT AGRIA BANK "AGUILAS BANK AGUILAS SEAMOUNT AGULHAS BANK AGULHAS BASIN AGULHAS PLATEAU AGULHAS RIDGE #AJACCIO CANYON AKADEMII NAUK RISE $AKHZIV CANYON sAKTIVNESET SLOPE %ALABE HILL RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tALASKA PLAIN ALASKA: ALBATROS BANK ALBATROS PLATEAU ALBATROSS BANK ALBATROSS BANK ALBORAN BASIN 8 ALBORAN RIDGE !ALDEN SEAMOUNT ALEUTIAN BASIN "ALEUTIAN RIDGE #ALEUTIAN RISE $ALEUTIAN TERRACE %ALEUTIAN TRENCH &ALEXA BANK 'ALEXANDER SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t(ALFEO SEAMOUNT )ALFIL BANK *ALGER CANYONS (ALGERIAN BASIN )ALGERIAN-TYRRHENIAN TROUGH *ALGOL SEAMOUNT +ALICANTE CANYON +ALICE SHOAL ,ALIDADE BANK -ALIX SEAMOUNT ,ALMERIA CANYON .ALMIRANTE BROWN CANYON /ALMIRANTE LEITE BANK 0ALMIRANTE SALDANHA SEAMOUNT 1ALPHA RIDGE 2ALPHECCA SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t4ALTAIR SEAMOUNT 5ALULA-FARTAK TRENCH 6ALVARADO RIDGE 7AMAMI PLATEAU 8AMAZON CANYON 9AMAZON CONE :AMEGHINO CANYON -AMENDOLARA BANK <AMERICA ;AMERICA-ANTARCTIC RIDGE =AMERY BASIN .AMFITRITI BANK >AMIRANTE BANK ?AMIRANTE BASIN @AMIRANTE TRENCH AAMLIA BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tCAMLIA KNOLL AMONHANA VALLEY DAMPERE SEAMOUNT AMPHITHEATRE ESCARPMENT AMPHITHEATRE SPUR EAMUKTA CANYON FAMUNDSEN ABYSSAL PLAIN GAMUNDSEN BASIN HAMUNDSEN RIDGES IAMUNDSEN TROUGH /ANAXIMANDER MOUNTAINS 0ANCHISE SEAMOUNT JANDAMAN BASIN KANDAMAN-NICOBAR RIDGE MANDREW TABLEMOUNT LANDREW BAIN FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNANGOLA ABYSSAL PLAIN OANGOLA BASIN ANGUILLA BANK ANGUILLITA SPUR ANIMAL BANKS PANIMAL BASIN QANNA DE KONINGH SEAMOUNT 1ANNABA CANYONS 2ANTALYA BASIN RANTALYA CANYON TANTARCTIC SANTARCTIC CANYON UANTARES BANK VANTIALTAIR SEAMOUNT ANTIGONIA REEF ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tXANTON DOHRN SEAMOUNT YAPPLEQUIST SEAMOUNT 3APULIAN PLATEAU ZAPUUPUU SEAMOUNT [AQUARIUS SEACHANNEL 4AQUITAINE SHELF \ARABIAN BASIN ]ARAFURA SHELF 5ARBATAX CANYON 6ARCHIMEDES SEAMOUNT ^ARCTIC MID OCEAN RIDGE _ARENA CANYON bARGENTINA RISE cARGENTINA SEAMOUNT `ARGENTINE ABYSSAL PLAIN ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tdARGO BANK eARGO FRACTURE ZONE fARGO PLAIN 7ARGOLIKOS BASIN gARGUELLO CANYON hARGUELLO TERRACE ARKHANGELSKY FRACTURE ZONE 8ARKHANGELSKY RIDGE ARNOLD GUYOT iARROWSMITH BANK kARU BASIN jARUBA GAP lASCENSION FRACTURE ZONE mASHTON SEAMOUNT nASQUITH BANK ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tpASTORIA CANYON qASTORIA FAN rASTRID RIDGE sATKA BASIN tATKA SEAMOUNT uATLANTIC wATLANTIC SEAMOUNT vATLANTIS FRACTURE ZONE xATLANTIS II FRACTURE ZONE yATWATER VALLEY zAURORA CANYON {AUSTRAL FRACTURE ZONE |AUSTRALIA }AUSTRALIAN-ANTARCTIC BASIN ~AUSTRALIAN-ANTARCTIC DISCORDANCE ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tAVES RIDGE AZORES AZORES-BISCAY RISE BAHAMA BAHAMA RIDGE BAHIA SEAMOUNTS BAHIA BLANCA CANYON BAILEY BAILEY'S BAIRD SEAMOUNT BAISSAC BANK BAJA CALIFORNIA SEAMOUNT PROVINCE BAKER SEACHANNEL BALANUS SEAMOUNT BALI BASIN ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBANDA BANDERAS CANYON BANZARE BANK BARANOF SEACHANNEL BARBADOS BASIN BARBADOS RIDGE 9BARCELONA CANYON BARCOO BANK BARDIN SEAMOUNT BARENTS ABYSSAL PLAIN :BARONIE MOUNTAINS BARONIE SEAMOUNTS BARRACUDA RIDGE BARREN RIDGE BASSAS DE PEDRO ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBATAVIA SEAMOUNT ;BATTOS SEAMOUNT BAUER BASIN BAUER FRACTURE ZONE BAUER SCARP BEAL KNOLL BEAN SEAMOUNT BEAR SEAMOUNT BEATA RIDGE tBEATON SEAMOUNT BEATTY GUYOT <BEIRUT ESCARPMENT =BEJAIA CANYONS BELEM RIDGE BELGICA BANK ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBELLINGSHAUSEN ABYSSAL PLAIN BELLINI SEAMOUNT BELLONA GAP BENGAL FAN >BENIDORM CANYON BERGEN BANK BERING CANYON BERLANGA RIDGE BERLIN SEAMOUNT BERMUDA RISE BERTRAND BANK BETTY GUYOT BIGHT FRACTURE ZONE BILL BAILEY'S BANK ?BIRSA BANK ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBISHOP SEAMOUNT @BIZERTE VALLEY BIZET SEAMOUNT BJORNOYA BANK BLACKFIN RIDGE BLAKE ESCARPMENT BLAKE PLATEAU BLAKE RIDGE BLANCO FRACTURE ZONE ABLANES CANYON BLIGH BLOSSOM BANK BODE VERDE FRACTURE ZONE BODEGA CANYON BOGOROV RIDGE ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBOLLONS SEAMOUNT BONAIRE BASIN BONAPARTE SEAMOUNT BONE BASIN BORCHGREVINK CANYON uBORCHGREVINK TRENCH BOREAS ABYSSAL PLAIN BORIS KARASEV BANK BOSEI SEAMOUNT BBOSPORUS CANYON BOUGAINVILLE REEF BOUNTY PLATEAU BOUNTY TROUGH CBOURCART CANYON DBOURI BANK ANTIGUA VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Yt-b6k ? AFRICANA SEAMOUNT ALAGOAS SEAMOUNTS l'ALEXANDRIA CANYON 3ALSEK VALLEY BAMLIA CANYON ANEGADA GAP WANTON BRUUN RIDGE aARGENTINE BASIN $oASTERIAS SEAMOUNT (AVENZOAR BANK ,BALLENY SEAMOUNTS 0BASSE-TERRE SPUR 4BELGRANO 8BISCAY ABYSSAL PLAIN <BOLLES KNOLL @EEF /PEARL AND HERMES R &ALBORAN SEACHANNEL k BANK /PEDRO BANK $Y-b6k ?tBOUVET FRACTURE ZONE BOWDITCH SEAMOUNT BOWERS BANK BOWERS BASIN BOWERS CANYON BOWERS CANYON BOWERS RIDGE BOWERS SEAMOUNT BOWIE CANYON BOWIE SEAMOUNT BOYD BRAHMS SEAMOUNT BRASILIAN ABYSSAL PLAIN BRATEGG BANK BRAZIL BASIN BRIGHAM SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBRISTOL CANYON BRITANNIA GUYOTS BROKEN RIDGE EBROOKER BANK BROOKS BANKS BROUWER SEAMOUNT BROWN BROWN BANK BROWN BANK BROWN SEAMOUNT BROWN BEAR SEAMOUNT BRUCE RIDGE FBRUTUS SEAMOUNT BRUUN BRYAN SEAMOUNT BUFFON CANYON RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tBULLDOG BANK BULPIN SEAMOUNT vBUNCE SEAMOUNTS BURDICK KNOLL BURDWOOD BANK BYRAMGORE REEF BYRD BYRD CANYON CABLIERS BANK GCABO CREUS CANYON CABRILLO SEAMOUNT CAICOS BANK HCALABRIAN RISE CALIFORNIA SEAMOUNT CALOOSAHATCHEE SEAMOUNT ICALVI CANYON RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tCAMARON KNOLL CAMOENS SEAMOUNT CAMPBELL PLATEAU CAMPBELL RISE CAMPBELL SEAMOUNT CAMPECHE BANK CANADA ABYSSAL PLAIN CANADA BASIN CANARY BASIN KCANDARLI BASIN LCANDARLI SHELF MCANIK ESCARPMENT NCANNES CANYON CANO SEAMOUNT CANTOR SEAMOUNT CAP BRETON CANYON RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tCAP HORN SEAMOUNT CAPE ABYSSAL PLAIN CAPE BASIN CAPE RISE CAPE JOHNSON TABLEMOUNT CAPE VERDE ABYSSAL PLAIN CAPE VERDE PLATEAU CAPE VERDE SEAMOUNT CAPEL BANK PCAPRERA CANYON CAPRICORN SEAMOUNT CAPUCIN CANYON QCARBONARA RIDGE RCARBONARA VALLEY CARDNO FRACTURE ZONE CARDNO GUYOT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t CARLISLE CANYON CARLSBERG RIDGE CARMEN BASIN CARNEGIE RIDGE CARNEGIE SEAMOUNT CAROLINE CAROLINE SEAMOUNTS CARONDELET REEF SCARTAGENA CANYON CARYN SEAMOUNT CASCADIA BASIN CASCADIA SEACHANNEL TCASSINI SEAMOUNT UCASSIS CANYON VCASTELSARDO CANYON CATALINA BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tCAUVIN BANK CAY SAL BANK CAYMAN RIDGE CAYMAN TRENCH CEARA ABYSSAL PLAIN CEARA PLATEAU CEARA RIDGE CEARA SEAMOUNTS CEARA TERRACE CEDROS ESCARPMENT !CEDROS TRENCH XCEFALU BASIN "CELEBES BASIN #CELTIC SHELF $CENTRAL BANK %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t'CENTRAL KARA RISE CENTRAL PACIFIC BASIN (CENTURION BANK wCERF RIDGE )CERMENO SEAMOUNT *CERRALVO SEAMOUNT CHAGOS BANK +CHAGOS TRENCH ,CHAGOS-LACCADIVE RIDGE -CHAIN FRACTURE ZONE .CHAIN RIDGE 2CHALLENGER /CHALLENGER DEEP 0CHALLENGER FRACTURE ZONE 1CHALLENGER PLATEAU %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t4CHARCOT CANYON 5CHARCOT DEEP-SEA FAN 6CHARCOT SEAMOUNTS 7CHARLIE GIBBS FRACTURE ZONE 8CHARLOTTE REEF CHATHAM RISE 9CHAUCER SEAMOUNTS :CHAUTAUQUA SEAMOUNT ;CHELAN SEAMOUNT YCHELLA BANK <CHERBANIANI REEF BCHILE =CHILE BASIN >CHILE FRACTURE ZONE ?CHILE RIDGE %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tACHILE TRENCH CCHINA DCHINCHORRO BANK ECHINOOK TROUGH FCHIRIKOF KNOLL GCHIRIKOF SEAMOUNT HCHOPIN SEAMOUNT ZCHOROKH CANYON ICHUKCHI ABYSSAL PLAIN KCHUKCHI PLATEAU JCHUROV SEAMOUNT [CIALDI SEAMOUNT LCIPANGU BASIN \CIVITAVECCHIA VALLEY MCLAIRAUT SEAMOUNT %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tOCLARION FRACTURE ZONE PCLARK BANK QCLARK BASIN RCLARK SEAMOUNT SCLERKE REEF TCLIPPERTON FRACTURE ZONE UCLIPPERTON RIDGE VCLIPPERTON SEAMOUNTS WCOBB SEAMOUNT COCO-DE-MER RIDGE XCOCO-DE-MER SEAMOUNTS \COCOS YCOCOS BASIN ZCOCOS RIDGE [COCOS KEELING RISE %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t^COLBECK BASIN _COLOMBIA BASIN `COLOMBIAN TRENCH COLOMBIE BANK aCOLON RIDGE bCOLORADO SEAMOUNT cCOLUMBIA SEAMOUNT COLVILLE RIDGE dCOMORO BASIN eCOMSTOCK SEAMOUNT fCONCEPTION BANK gCONFIANCE SHOAL hCONGO CANYON iCONGO CONE jCONGRESS SEAMOUNT %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tlCONRAD RISE mCONSTANTINE BANK nCOOK CANYON oCOOK FRACTURE ZONE pCOOPER RIDGE qCORA DIVH rCORAL BASIN sCORAL PATCH BANK ]CORNAGLIA SEAMOUNT tCORNER SEAMOUNTS uCORREIRA BANK ^CORSICA BASIN vCORSO-LIGURIAN BASIN wCORTES BANK xCOWIE SEAMOUNT %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tzCRAWFORD SEAMOUNT _CRESQUES SEAMOUNT {CREST SEAMOUNT |CRETAN TROUGH `CRETAN-RHODES RIDGE aCRIMEA ESCARPMENT CROCUS BANK }CROSLEY SEAMOUNT ~CROSS SEAMOUNT CROUGH SEAMOUNT CROZET BASIN CRUISER SEAMOUNT CUVIER BASIN CUVIER CANYON CUVIER PLATEAU %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tcCYPRUS BASIN dCYRENE SEAMOUNT D'ESTAING BANK DACIA SEAMOUNT eDAHRA VALLEY DAIGO-KASIMA SEAMOUNT DAIITI-KASIMA SEAMOUNT DAIITI-KINAN SEAMOUNT DAINI-KASIMA SEAMOUNT DAINI-KINAN SEAMOUNT DAITO RIDGE DAIYON-KASIMA SEAMOUNT DAKAR CANYON DALL SEAMOUNT DALY CANYON %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tDAMPIER RIDGE DAMPIER SEAMOUNT DANA FRACTURE ZONE DANA SEAMOUNT fDANUBE CONE DANUBE FAN DAVID SEAKNOLL DAVIDSON BANK DAVIDSON SEAMOUNT DAVIE RIDGE DAVIE SEAMOUNT DAVIS BANK DAVIS SEAMOUNTS DAVIS SILL DAY SEAMOUNT %CENTRAL FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHBRISBANE GUYOT LBULLARD FRACTURE ZONE PJCALYPSO HILLS TOCAP FERRET CANYON X CARGADOS CARAJOS BANK \WCAUCASUS ESCARPMENT `&CENTRAL INDIAN RIDGE d3CHAMPLAIN SEAMOUNT h@CHILE RISE lNCLARION BANK p]COIBA RIDGE tkCONRAD FRACTURE ZONE xyCRARY BANK |bCYCLADES PLATEAU DALY SEAMOUNT EEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tDE KRAFFT SEAMOUNT DE VEUSTER SEAMOUNT DEACON SEAMOUNT DEBUSSY SEAMOUNT DEHLINGER SEAMOUNT DEL CANO RISE gDEL TORO CANYON DELAN BASIN DELFIN BASIN DELGADA CANYON DELGADA FAN DELLWOOD KNOLLS DELLWOOD SEAMOUNTS DEMERARA ABYSSAL PLAIN DEMERARA PLATEAU DENSON SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tDERWENT HUNTER GUYOT DERYUGINA BASIN hDES MOINES CANYON DESBARRES CANYON DESCARTES SEAMOUNT DESCHEO VALLEY DETROIT TROUGH DEUTSCHLAND CANYON DEVILS HOLE DEVONPORT SEAMOUNT CHAIN DIAMANTINA FRACTURE ZONE DIANA BANK DIANE BANK DICKINS SEAMOUNT DINGAAN FRACTURE ZONE DIRCK HARTOG RIDGE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tDISCOVERER KNOLL DISCOVERY SEAMOUNTS DISCOVERY II FRACTURE ZONE DISPATCH SEAMOUNT DMITRI MENDELEEV SEAMOUNT DOG KNOLL DOGARESSA BANK DOGGER BANK DOHRN DOHRN BANK DOLDRUMS FRACTURE ZONE xDOM JOAO DE CASTRO BANK DONIZETTI SEAMOUNT DONNA RIDGE DORDRECHT DEEP DORSEY SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tDOWNWIND SEAMOUNT DRAAK DRAGON BANK DREANOUGHT BANK iDREPANO SEAMOUNT DRYGALSKI BASIN DUBININ TROUGH DUFRESNE DUMSHAF ABYSSAL PLAIN DUPONT SHOAL DURGIN GUYOT DUTCHMEN DUTOIT FRACTURE ZONE DUTTON SEAMOUNT yDVORAK SEAMOUNT Dom JOAO DE CASTRO BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tEAST AZORES FRACTURE ZONE EAST CAROLINE BASIN EAST CORTES BASIN EAST INDIAMAN RIDGE EAST MARIANA BASIN EAST MARIANA RIDGE kEAST MEDITERRANEAN RIDGE EAST O'GORMAN FRACTURE ZONE EAST PACIFIC RISE lEAST PONTIC ESCARPMENT EAST SHEBA RIDGE EAST TASMAN PLATEAU EAST THULEAN RISE EASTER FRACTURE ZONE EAURIPIK RISE mEBRO ESCARPMENT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tEDORAS BANK EEL CANYON EENDRACHT SEAMOUNTS nEGADI VALLEY EGERIA FRACTURE ZONE EGGVIN SHOAL EICKELBERG RIDGE EICKELBERG SEAMOUNT EIHUKU SEAMOUNT EIRIK RIDGE oEL BABOUCH BANK pEL HAOUARIA BANK qEL KEBIR CANYON rEL MANSOUR SEAMOUNT zELAN BANK ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tELLET BANK ELLIS SEAMOUNT ELTANIN FRACTURE ZONE SYSTEMELY SEAMOUNT EMBATTLE SEAMOUNT EMDEN DEEP EMERALD BASIN EMERY BASIN EMILE BAUDOT BANK sEMILE BAUDOT ESCARPMENT EMILIA SEAMOUNT EMMONS SEAMOUNT EMPEROR SEAMOUNT CHAIN EMPEROR TROUGH tENARETA SEAMOUNT ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tENDEAVOUR BANK ENDERBY ABYSSAL PLAIN ENDRACHT SEAMOUNT ENDURANCE CANYON ENDURANCE FRACTURE ZONE ENDURANCE RIDGE ENGANO CANYON ENGELBRECHT SEAMOUNT ENGGANO BASIN uEOLIE RIDGE vEOLO SEAMOUNT wEPICHARMOS SEAMOUNT EPONGE GUYOT EQUATORIAL MID-OCEAN CANYON ERATOSTHENES SEAMOUNT ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t ERIADOR SEAMOUNT ERIC SIMPSON FRACTURE ZONE ERICA SEAMOUNT ERIMO SEAMOUNT ERROR SEAMOUNT ESPINOSA SEAMOUNT ESTAFETTE BANK ETIENNE CANYON EUCLID SEAMOUNT EULER SEAMOUNT EUXINE ABYSSAL PLAIN EVA SEAMOUNT EWING EWING SEAMOUNT EWING SEAMOUNT ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tEXPLORER SEAMOUNT EXPLORER TABLEMOUNT FAEROE FAEROE BANK FAEROE SHELF FAEROE BANK CHANNEL FAEROE-SHETLAND CHANNEL !FAIRWAY REEF "FAIRWEATHER GROUND #FAIRWEATHER SEAMOUNT $FALEEV SEAMOUNT FALKLAND ESCARPMENT FALKLAND FRACTURE ZONE FALKLAND PLATEAU FALKLAND RIDGE ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tFALMOUTH BANK FALMOUTH VALLEY %FANGORN BANK &FARADAY FRACTURE ZONE 'FARADAY SEAMOUNT (FARALLON BASIN )FARIS SEAMOUNT *FARQUHAR RIDGE +FAWN TROUGH FEDOROV GUYOT xFELIBRES HILLS ,FENI RIDGE -FERNANDO DE NORONHA ABYSSAL PLAIN .FERNANDO DE NORONHA RIDGE {FERRAZ RIDGE ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tFERSMAN SEAMOUNT 0FIEBERLING TABLEMOUNT 1FIFTEEN TWENTY FRACTURE ZONE 3FIJI 2FIJI PLATEAU 4FILIPPO REEF 5FILLEBROWN SEAMOUNT 6FINCH SEAMOUNT yFINIKE TROUGH zFLAVIO GIOIA SEAMOUNT 7FLEMISH CAP 8FLEMISH PASS 9FLINDERS REEF :FLINDERS SEAMOUNT ;FLORA REEF ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t{FONERA CANYON |FONKAL BANK }FORMENTERA VALLEY =FORMIGAS BANK >FORTUNE BANK ?FOSTER SEAMOUNT AFOUR LADIES BANK @FOURIER SEAMOUNT BFOXE BASIN CFRAM BANK DFRANKLIN SEAMOUNT EFRANKLIN SHOAL FFRASER SEAMOUNT HFRED SEAMOUNT GFREDERICK REEFS ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tIFRENCH FRIGATE SHOALS JFROYA BANK KFRYER GUYOT LFUGLOY BANK MFUNDIAN VALLEY NFUNK SEAMOUNT OGABON CANYON PGAKKEL RIDGE QGALAPAGOS FRACTURE ZONE RGALAPAGOS RISE SGALAPAGOS SEAMOUNT ~GALERIA CANYON TGALICIA BANK GALITE CHANNEL GALITE PLATEAU ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tVGALLIENI FRACTURE ZONE WGALLIENI KNOLL XGALOIS SEAMOUNT YGAMBIA ABYSSAL PLAIN ZGAMBIA SHOAL [GANGES BANK GANGES CANYON \GANGES CONE ]GARDAR RIDGE GARIBALDI SEAMOUNT ^GARRETT FRACTURE ZONE GASCOGNE KNOLL _GASCOYNE PLAIN `GASCOYNE SEAMOUNT |GASKELL RIDGE ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?taGAUSS SEAMOUNT GAVIOTA KNOLL bGEELWINK BASIN cGEESE BANK GELA BASIN dGEMINI SEAMOUNTS eGENERAL BELGRANO BANK fGENISTA BANK GENOVA CANYONS gGENTRY BANK jGEORGE SEAMOUNT hGEORGE BLIGH BANK iGEORGES BANK lGEORGIA kGEORGIA BASIN ELIKALPENI BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tDERICKSON SEAMOUNT DIRIANGEN BANK DOS MINOS KNOLL jEAST ALBORAN BASIN ECLIPSE SEAMOUNT ELIZABETH REEF ENDEAROR SEAMOUNT ERBEN SEAMOUNT EXMOUTH PLATEAU FALKLAND TROUGH /FERREL SEAMOUNT <FLORES BASIN FREDERIKSTED CANYON UGALLEGO RISE GATA CANYON EEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tnGERMAINE BANK oGEROEVKA BANK pGETTYSBURG SEAMOUNT qGIACOMINI SEAMOUNT rGIBBS SEAMOUNT sGIBSON SEAMOUNT tGIFFORD GUYOT uGILBERT SEAMOUNT vGILBERT SEAMOUNTS wGILBERT SEAMOUNTS GINGER HOLE xGIRAUD SEAMOUNT GLAVRI BANK GLOMAR CHALLENGER BASIN yGLOVER REEF zGLUCK SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t|GODAIGO GUYOT }GOFAR FRACTURE ZONE ~GOLOLOBOV BANK GOLONDRINA SEAMOUNT GONDOR SEAMOUNT GONONE CANYON GORDA ESCARPMENT GORDA RIDGES GORDA VALLEY GORDON SEAMOUNT GORONTALO BASIN GORRINGE RIDGE GOSANJO GUYOT GOSHIRAKAWA GUYOT GOTLAND BASIN GOUGH FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tGRAHAM SEAMOUNT GRAND BANKS OF NEWFOUNDLA GRAND RHNE CANYON GRAPPLER SEAMOUNT GRATTAN BANK GREAT BAHAMA BANK GREAT BARRIER REEF GREAT CHAGOS BANK GREAT FISHER BANK GREAT METEOR BANK GREENLAND ABYSSAL PLAIN GREENLAND-ICELAND RISE GREGG SEAMOUNT GRENADA BASIN GRIDLEY TROUGH GRIEG SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tGROLL SEAMOUNT GUADALUPE 'Arrugado' GUAFO FRACTURE ZONE GUARDIAN SEAMOUNT GUATEMALA BASIN GUAYANILLA CANYON GUAYMAS BASIN GUDAUTA BANK GUELTA CANYON GUEVARA SEAMOUNTS GUIANA PLATEAU GUIDE RIDGE GUIDE SEAMOUNT GUINEA BASIN GUINEA PLATEAU GULDEN DRAAK SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tGUNNERUS BANK GUNNERUS RIDGE GUSTAF ADOLF TROUGH GZELYURT KNOLL GKOVA TROUGH HABIBAS ESCARPMENT HALK EL MENZEL BANK HALL BANK HALL KNOLL HALMAHERA BASIN HALTEN BANK HAMILTON BANK HAMMERSTEIN SEAMOUNT HANCOCK BANK HANDEL SEAMOUNT HANNA CANYON RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHARRIS SEAMOUNT HARRISON SEAMOUNT HARTOG HASLAM SEAMOUNT HASSAYAMPA SEAMOUNT HATTERAS ABYSSAL PLAIN HATTERAS CANYON HATTON BANK HATTON-ROCKALL BASIN HAVERS BANK HAVRE TROUGH HAWAIIAN HAWAIIAN RIDGE HAWAIIAN TROUGH HAWLEY RIDGE HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHAZEL HOLME BANK HEBRIDEAN SHELF HEBRIDES TERRACE SEAMOUNT HECATAEUS RIDGE HECATE SEAMOUNT HECETA BANK HECHT SEAMOUNT HECK CANYON HECK SEAMOUNT HEEZEN FRACTURE ZONE HELLENIC TRENCH HEMLER GUYOT HENDERSON SEAMOUNT HERALD VALLEY HERDMAN SEAMOUNT HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHERO FRACTURE ZONE HERODOTUS ABYSSAL PLAIN HERODOTUS BASIN HERODOTUS RISE HERODOTUS SEAMOUNT HERODOTUS TROUGH HERON VALLEY HESS RISE HESS TABLEMOUNT HIKURANGI TRENCH HILL HILLARY CANYON HINDS SEAMOUNT HISPANIOLA TROUGH HJORT TRENCH HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHODGES KNOLL HODGES SEAMOUNT HODGKINS SEAMOUNT HODGKINS SEAMOUNTS HOGSTY REEF HOKE SEAMOUNT HOKKAIDO RISE HOLME HOLMES REEF HOOK RIDGE HOOKER BASIN HORIZON BANK HORIZON CHANNEL HORIZON DEEP HORIZON RIDGE HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tHORSESHOE SEAMOUNTS HOTSPUR FRACTURE ZONE HOTSPUR SEAMOUNT HOWE HUDDELL SEAMOUNT HUDSON CANYON HUKUTOKU SEAMOUNT HUKUZIN SEAMOUNT HUNTER HUNTER CHANNEL HURD BANK HYDRA SEAMOUNT HYERES SEAMOUNT IAHI SADDLE IBERIAN ABYSSAL PLAIN HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tICELAND ICELAND BASIN ICELAND-FAEROE RISE ICELANDIC PLATEAU IGNACIO CANYON IIZUKA SEAMOUNT IL CATALANO CANYON ILE ROUSSE CANYON IMARSSUAK CHANNEL IMPERIEUSE REEF INDIAMAN INDIAN INDIANAPOLIS SEAMOUNT INDIGIRKA VALLEY INDISPENSABLE REEFS HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tINDUS CANYON INDUS FAN INGOYDJUPET INGURI CANYON INSTITUT OKEANOLOGII RISE INVESTIGATOR BANK INVESTIGATOR CANYON INVESTIGATOR RIDGE INVISIBLE BANK IONIAN ABYSSAL PLAIN IONIAN BASIN IONIAN GAP IRA BANK IRMINGER BASIN IRONWOOD SEAMOUNT HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tISAKOV SEAMOUNT ISELIN BANK ISENGARD RIDGE ISLAS ORCADAS FRACTURE ZONE ISLAS ORCADAS RISE ISSEL SEAMOUNT ISTAMBUL BOGAZI CANYON IVERSEN IWABUCHI SEAMOUNT IWAKI SEAMOUNT IZU-OGASAWARA RISE IZU-OGASAWARA TRENCH JABARU FRACTURE ZONE JACQUELINE GUYOT JAGGAR SEAMOUNT HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tJAGUAR SEAMOUNT JAGUEY SPUR JAIME SEAMOUNT JAMA VALLEY JAMES KNOLL JAN MAYEN BANK JAN MAYEN FRACTURE ZONE !JAN MAYEN RIDGE "JAPAN BASIN #JAPAN RISE $JAPAN TRENCH }JAPANESE GUYOTS JARRAFA TROUGH %JASEUR SEAMOUNT &JASPER SEAMOUNT HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t(JAVA TRENCH )JENLUISE BANK *JIMMU GUYOT ,JINGU BASIN +JINGU GUYOT -JOAO PESSOA PLATEAU JOHNSTON BANK .JOIDES BASIN /JONES SEAMOUNT 0JONES SEAMOUNT 1JORDAN KNOLL 2JOSEPHINE BANK JOVELLANOS SEAMOUNT 3JUAN DE FUCA CANYON 4JUAN DE FUCA RIDGE HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t5JUSSIEU CANYON 6JUTLAND BANK 7KAGAMI SEAMOUNT KAHOUANNE HOLE 8KAINAN MARU SEAMOUNTS KALANIOPUU BASIN KALLINAGO TROUGH :KAMCHATKA 9KAMCHATKA BASIN ;KAMEHAMEHA BASIN <KAMMU GUYOT =KANAEV SEAMOUNT >KANAGA BASIN ?KANE BASIN @KANE FRACTURE ZONE HAYDN SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t{GOBAN SPUR GRAHAM BANK GRIJALVA RIDGE GULF OF ALASKA SEAMOUNT PROVINCE HARRIE GUYOT HAYES FRACTURE ZONE HERMES HOBBS BANK HORIZON TABLEMOUNT IBIZA CHANNEL INDOMED FRACTURE ZONE IRVING SEAMOUNT JAGUA BANK 'JAVA RIDGE JUNIEH CANYON EEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tBKANE SEAMOUNT DKANIN CKANIN BANK EKANMU SEAMOUNT FKARA GKARIN SEAMOUNT KARPAS RIDGE HKASHEVAROV BANK IKAYAR CANYON JKAYAR SEAMOUNTS KEFALLINIA VALLEY KEITH REEF KKELSO BANK LKELVIN SEAMOUNT KENE PLATEAU MKENN REEFS RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tOKERGUELEN PLATEAU PKERMADEC RIDGE QKERMADEC TRENCH RKERMIT ROOSEVELT SEAMOUNT SKERN SEAMOUNT TKHACHATURIAN SEAMOUNT KHADRA CANYON KHAYR-AL-DIN BANK UKHAYYAM SEAMOUNT KIKLADHES PLATEAU VKINGMAN BASIN WKINGMAN REEF YKINGS TROUGH XKINGSTON BANK ZKINMEI SEAMOUNT [KISKA KNOLL RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t]KITA-KOHO SEAMOUNT _KITA-YAMATO BANK ^KITAMI-YAMATO BANK `KIWI SEAMOUNT aKIWI SEAMOUNT KIZILIRMAK CANYON bKNIPOVICH RIDGE cKNIPOVICH SEAMOUNT dKODIAK SEAMOUNT eKODIAK SEAMOUNTS KODORI CANYON fKOHLER SEAMOUNT gKOKO GUYOT hKOLBEINSEY RIDGE kKOMAHASI SEAMOUNT iKOMAHASI-DAINI SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tlKOMANDORSKAYA BASIN mKOREAN PLATEAU nKOSCIUSKO BANK oKOSYU SEAMOUNT ~KREPS SEAMOUNT pKRUSENSTERN TROUGH qKRYLOV SEAMOUNT KUMANI CANYON rKURCHATOV FRACTURE ZONE sKURCHATOV SEAMOUNT tKURIL BASIN uKURIL-KAMCHATKA TRENCH vKYUSYU-PALAU RIDGE KRE ESCARPMENT L'ESPOIR RIDGE yLA CONFIANCE SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t LA DESIRADE VALLEY |LA JOLLA CANYON }LA JUNON BANK LA PERLE REEF LA RENAIXENCA HILLS LA ROCHELLE CANYON wLABRADOR BASIN xLABRADOR TROUGH LACAZE-DUTHIERS CANYON zLACROIX GUYOT {LAGRANGE SEAMOUNT LAMAR HAYES RIDGE ~LAMARCK CANYON LAMONT GUYOT LANDES PLATEAU LANSDOWNE BANK RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tLAPEROUSE SEAMOUNT LAPLACE SEAMOUNT LASKOWSKI SEAMOUNT LASTRES CANYON LASUEN KNOLL LATAKIA BASIN LAU BASIN LAU RIDGE LAURENTIAN CHANNEL LAWSON BANK LAZAREV TROUGH LE CONSTANT BANK LE DANOIS BANK LE SEC BANK LE TROU SANS FOND CANYON LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tLEEUWIN CANYON LEFACOR KNOLL LEIBNITZ SEAMOUNT LENA CANYON LENA SEAMOUNT LES SORELLES REEFS LESVOS BASIN LEVEN BANK LICHTNING BANK LIGETI RIDGE LIGHTHOUSE REEF LIHOU REEF LILIUOKALANI RIDGE LINOSA TROUGH LION BANK LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tLITKE TROUGH LITTLE AMERICA BASIN LITTLE BAHAMA BANK LLANES CANYON LOBACHEVSKI SEAMOUNT LOIHI SEAMOUNT LOIZA CANYON LOMBOK BASIN LOMONOSOV RIDGE LONARDI SEAMOUNT LORD HOWE RISE LORD HOWE SEAMOUNT CHAIN LORIEN KNOLL LOST DUTCHMEN RIDGE LOTUS SEAMOUNT LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tLOUISE A BOYD BANK LOUISVILLE RIDGE LOUSY BANK LOWRIE GUYOT LOYOLA BANK LUSITANIA BANK LUZON PLATEAU LYALL BASIN LYNCH SEAMOUNT MABAHISS FRACTURE ZONE MACCLESFIELD BANK MACDONALD BANK MACDONALD GUYOT MACDONALD SEAMOUNT MACGOWEN REEF LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMACNAB SEAMOUNT MACQUARIE RIDGE MADAGASCAR BASIN MADAGASCAR RIDGE MADEIRA ABYSSAL PLAIN MADEIRA RISE MADINGLEY RISE MADREPORE BANK MAGDALENA ESCARPMENT MAGELLAN RISE MAGELLAN SEAMOUNTS MAGNAGHI SEAMOUNT MAGONIS VALLEY MAHER SEAMOUNT MAHLER SEAMOUNT LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMAIMON BASSIN MAIMONIDE RIDGE MAKAROV BASIN MAKAROV SEAMOUNTS MAKASSAR MAKASSAR BASIN MALDIVE RIDGE MALLIWANA BANK MALLORCA CHANNEL MALLORY SEAMOUNT MALLOY SEAMOUNT MALPELO RIDGE MALTA CHANNEL MALTA PLATEAU MALTA TROUGH LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMAMEYES CANYON MAN OF WAR SPUR MANGANARI CANYON MANIHIKI PLATEAU MANNING SEAMOUNTS MANOWARI TROUGH MANSELL BANK MANUS BASIN MANUS TRENCH MAPMAKERS SEAMOUNT MAR DEL PLATA CANYON MARANHAO SEAMOUNTS MARARA SEAMOUNT MARCHAND BANK MARCHAND SEAMOUNT LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMARCUS-WAKE SEAMOUNT GROUP MARGETTS SEAMOUNT MARIANA MARIANA TRENCH MARIANA TROUGH MARIE BYRD CANYON MARIE BYRD SEAMOUNT MARIE CELESTE FRACTURE ZONE MARIE-GALANTE CANYON MARIETTA SEAMOUNT MARINER RIDGE MARION DUFRESNE SEAMOUNT MARMARA TROUGH MARO BANK MARO REEF LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMARSEILLE CANYON MARSHALL SEAMOUNT MARSHALL SEAMOUNTS MARSILI SEAMOUNT MARTHA BANK MARTIN VAZ FRACTURE ZONE MARTY CANYON MARU MARYLAND SEAMOUNT MASCARENE BASIN MASCARENE PLAIN MASCARENE PLATEAU MATARO CANYON MATHEMATICIANS SEAMOUNTS MATU SEAMOUNT LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMAUGHAM SEAMOUNT MAURES ESCARPMENT MAURICE EWING BANK MAURICE HILL RIDGE MAURITIUS TRENCH MAURY CHANNEL MAWSON BANK MAWSON CANYON MAXWELL FRACTURE ZONE MAZARRON ESCARPMENT MAZATLAN BASIN MCDERMOTT BANK MEDINA BANK MEDINA CHANNEL MEDINA ESCARPMENT LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMEDINA (MALTA) RIDGE MEDITERRANEAN RIDGE MEDNYY SEAMOUNT MEINESZ MEIYO SEAMOUNT MEIYO-DAINI SEAMOUNT MEIYO-DAISAN SEAMOUNT MEIZI SEAMOUNT MELANESIAN BASIN MELITA BANK MELITA VALLEY MELLISH REEF MELORIA SHOALS MELVILLE BANK MELVILLE FRACTURE ZONE LE VASSEUR SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNKEPLER SEAMOUNT \KITA-HIYOSI SEAMOUNT jKOMAHASI-DAISAN SEAMOUNT LA DESIRADE ESCARPMENT $LAPEROUSE BANK (LEARMONTH BANK ,LISZT SEAMOUNT 0LOUISA BANK 4MACKENZIE TROUGH 8MAIKO SEAMOUNT <MALVINAS: @MARCHI SEAMOUNT DMARQUESAS FRACTURE ZONE HMAUD RISE LMEDINA SEAMOUNT PEEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tMENARD FRACTURE ZONE MENARD GUYOT MENARD SEAMOUNT MENDANA FRACTURE ZONE MENDELEEV ABYSSAL PLAIN MENDELEEV RISE MENDELEEV SEAMOUNT MENDELL KNOLL MENDELSSOHN SEAMOUNT MENDOCINO ESCARPMENT MENDOCINO FRACTURE ZONE MENDOCINO RIDGE MENDOZA RISE MENDOZA SEAMOUNT MENNER SEAMOUNT MENTAWAI BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tMERCATOR BASIN MERGUI TERRACE MERIC-EVROS FAN !MERMAID REEF "MERNOO BANK #MERZ SEAMOUNT MESSINA CANYON &METEOR $METEOR RISE %METEOR SEAMOUNTS 'MEXICO BASIN (MGU SEAMOUNT )MIAMI GUYOT MID-ADRIATIC BASIN *MID-ATLANTIC RIDGE /MID-INDIAN OCEAN BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t-MIDDLE REEF +MIDDLE AMERICA TRENCH ,MIDDLE MARIANA RIDGE .MIDDLETON REEF 1MIKHAILOV CANYON 2MILLER SEAMOUNT 3MILNE BANK 4MILNE SEAMOUNTS 5MINAMI-DAIKOKU SEAMOUNT 6MINAMI-HIOYOSI SEAMOUNT 7MINAMI-KASUGA SEAMOUNT 8MINAMI-KOHO SEAMOUNT 9MINERVA REEFS :MINERVA SEAMOUNT ;MINERVE REEF <MINIA SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t=MISSISSIPPI FAN >MISTERIOSA BANK MISURATA VALLEY ?MOCHA FRACTURE ZONE @MOCTEZUMA TROUGH AMOHNS RIDGE MOLINOS CANYON BMOLLOY SEAMOUNT CMOLOKAI FRACTURE ZONE DMONA CANYON MONA SPUR EMONACO DEEP FMONO RISE GMONSOON SEAMOUNT HMONTAGUE SEAMOUNT MONTECRISTO RIDGE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tIMONTEREY CANYON JMONTEREY FAN MONTPELLIER CANYON MONTSERRAT VALLEY KMOONLESS SEAMOUNTS LMOORE SEAMOUNT MMORESBY CANYON NMORESBY SEACHANNEL OMORESBY SEAMOUNT PMORETON SEAMOUNT QMORGAN BANK RMORGAN REEF SMORNINGTON ABYSSAL PLAIN TMORNINGTON CHANNEL UMOROZKO SEAMOUNT MORPHEY GUYOT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tWMORTON SEAMOUNT XMOSER SEAMOUNT YMOSES REEF ZMOSHESH FRACTURE ZONE [MOUA-PIHAA BANK \MOUCHOIR BANK ]MOUNT ERROR GUYOT ^MOZAMBIQUE BASIN _MOZAMBIQUE PLATEAU `MOZAMBIQUE SCARP aMOZART SEAMOUNT bMUERTOS TROUGH cMUIR SEAMOUNT dMUIRFIELD BANK eMUKLUK CHANNEL fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?thMURRAY CANYON iMURRAY FRACTURE ZONE jMURRAY RIDGE kMURRAY SEAMOUNT lMUSASI BANK mMUSICIANS SEAMOUNTS oMUSORGSKI SEAMOUNT nMUSSAU TROUGH pMYRSETH BANK qMYTILUS SEAMOUNT McCALL SEAMOUNT McKERNAN SEAMOUNT McKINLEY SEAMOUNT McLEOD BANK McMANUS SEAMOUNT fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?trNADESHDA BASIN NADEZHDA SEAMOUNT sNAMIIBIA ABYSSAL PLAIN tNANKAI TROUGH uNANSEI SYOTO RIDGE vNANSEI SYOTO TRENCH wNANSEN BASIN xNAPIER SEAMOUNT NAPOLI CANYON yNARES ABYSSAL PLAIN zNARES BANK {NATAL SEAMOUNT |NATAL VALLEY }NATURALISTE FRACTURE ZONE ~NATURALISTE PLATEAU fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNAVARIN CANYON NAVIDAD BANK NAZARETH BANK NAZCA RIDGE NECKER RIDGE NEILSON REEF NERO SEAMOUNT NEVA SHOAL NEW BANK NEW BANK NEW BRITAIN TRENCH NEW CALEDONIA BASIN NEW ENGLAND SEAMOUNTS NEW GUINEA BASIN NEW GUINEA TRENCH fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNEWELL SEAMOUNT NEWFOUNDLAND NEWFOUNDLAND BASIN NEWFOUNDLAND RIDGE NEWFOUNDLAND SEAMOUNTS NEWTON SEAMOUNT NIAS BASIN NICARAGUA RISE NICHOLS SEAMOUNT NICOBAR FAN NICOBAR-SIMEULUE BASIN NIERENBERG SEAMOUNT NIGER CONE NIGINI GUYOT NIKITIN fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNIKOLAI VAVILOV SEAMOUNT NILE CONE NILE FAN NINETYEAST RIDGE NINTOKU GUYOT NIOBE SEAMOUNT NITINAT FAN NOIRMOUTIER CANYON NORDENSKJOLD BASIN NORDKAPP BANK NORFOLK NORFOLK BASIN NORFOLK RIDGE NORFOLK TROUGH NOROIT KNOLL fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNORTH AMERICAN BASIN NORTH AUSTRALIA BASIN NORTH BANDA BASIN NORTH BRASILIAN RIDGE NORTH FIJI PLATEAU NORTH HAWAIIAN SEAMOUNTS NORTH IRAKIA BASIN NORTH KANIN BANK NORTH MAGELLAN RISE NORTH NEW HEBRIDES TRENCH NORTH SCOTIA RIDGE NORTH SKIROS BASIN NORTH TOKELAU BASIN NORTH TRINCO CANYON NORTH WEDDELL RIDGE fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNORTHAMPTON SEAMOUNTS NORTHEAST BANK NORTHEAST GEORGIA RISE NORTHERN HOLIDAY SEAMOUNT NORTHWEST ATLANTIC MID-OCCHANNEL NORTHWEST GEORGIA RISE NORTHWEST HAWAIIAN RIDGE NORTHWEST PACIFIC BASIN NORTHWEST PACIFIC RISE NORTHWIND ABYSSAL PLAIN NORTHWIND RIDGE NORWEGIAN BASIN NORWEGIAN TROUGH NOVA BANK NOVA TROUGH fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tNOVAYA ZEMLYA TROUGH NOVELTY SHOAL NOYES CANYON NOYO CANYON NURRA ESCARPMENT O'GORMAN FRACTURE ZONE O'NEILL BANK OATES BANK OATES CANYON OB CANYON OB SEAMOUNT OB TRENCH OBRUCHEV RISE OCEANA BANK OCEANOGRAPHER CANYON fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tODESSEY SEAMOUNT OGASAWARA PLATEAU OGASAWARA RIDGE OGASAWARA TROUGH OGLALA SEAMOUNT OJIN GUYOT OKI RIDGE OKI-DAITO RIDGE OKINAWA TROUGH OLIVA BANK OLIVOS BANK OLYMPUS KNOLL OMAN BASIN OMMANNEY SEAMOUNT ONA BASIN fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tONTONG-JAVA RISE ORANGE CANYON ORANGE CONE ORCADAS : ORISTANO CANYON ORKNEY DEEP ORMONDE SEAMOUNT OROSEI CANYON OROZCO FRACTURE ZONE ORPHAN KNOLL ORTELIUS FRACTURE ZONE OSBORN PLATEAU OSBOURN SEAMOUNT OSHAWA SEAMOUNT OSPREY REEF fMURMANSKOYE RISE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tXMENTAWAI RIDGE \0MID-PACIFIC SEAMOUNTS `MIRTOON BASIN dMONTECRISTO TROUGH hVMORTON BANK lgMURRAY CANYON pMcNISH SEAMOUNT tNAUK xNEW HEBRIDES |NIKKO SEAMOUNT NORTH AEGEAN TROUGH NORTHAMPTON SEAMOUNT NOVA CANTON TROUGH OCEANOGRAPHER FRACTURE ZONE ONE SOUTH FRACTURE ZONE EEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tOTRANTO VALLEY OUEST FRACTURE ZONE OUTER BAILEY BANK OWEN BANK OWEN FRACTURE ZONE OZIN SEAMOUNT PACIFIC : PACIFIC-ANTARCTIC RIDGE PACIFIC-ANTARCTIC RISE PAGANINI SEAMOUNT PAISLEY SEAMOUNT PALAMOS CANYON PALAU TRENCH PALAU : PALAWAN TROUGH PALINURO SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPALOMARES CANYON PANAMA BASIN PANAMA FRACTURE ZONE PANDORA BANK PANTELLERIA BANK PANTELLERIA TROUGH PANTELLERIA VALLEY PANZARINI SEAMOUNT PAPAGAYOS RIDGE PAPATUA SEAMOUNT PAPP SEAMOUNT PAPUA ABYSSAL PLAIN PAPUA PLATEAU PARA ABYSSAL PLAIN PARAIBA SEAMOUNT PARAMOUNT SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t PARKER SEAMOUNT PARKS SEAMOUNT PARNAIBA RIDGE PASCAL SEAMOUNT PASTOURET SPUR PATHFINDER SEAMOUNT PATTON ESCARPMENT PATTON SEAMOUNT PATTON SEAMOUNTS PAUL SEAMOUNT PAZ BANK PEARL AND HERMES REEF PEDRO BANK PEIRCE SEAMOUNT PEIVE SEAMOUNT PELOPONNISOS-CRETAN RIDGE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPENGUIN BANK PENGUIN BANK PENNELL BANK PENRHYN BASIN PENSACOLA SEAMOUNT PERNAMBUCO ABYSSAL PLAIN PERNAMBUCO PLATEAU PERNAMBUCO SEACHANNEL PERNAMBUCO SEAMOUNTS PERRET SEAMOUNT PERSEJ BANK !PERTH BASIN "PERTH CANYON #PERU BASIN $PERU-CHILE TRENCH %PERVENETS CANYON RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t'PETACALCO CANYON (PETELIN SEAMOUNT *PETERS RIDGE )PETERSEN BANK PETIT RHNE CANYON +PETREL BANK ,PETREL BANK -PETREL SPUR PETROV FRACTURE ZONE .PHILIPPI CANYON /PHILIPPINE BASIN 0PHILIPPINE TRENCH 1PHYSALIA SEAMOUNT 3PICKET SEAMOUNT 4PICKLE BANK 2PICO FRACTURE ZONE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPINNE MARINE BANK 6PINTA BANK 7PIONEER FRACTURE ZONE 8PIONEER SEAMOUNT 9PIONEER TABLEMOUNT PITIUSAS CANYON :PITT BANK PITTENGER SEAMOUNT ;PLANTAGENET BANK <PLATO SEAMOUNT =PLINY TRENCH >POBEDA CANYON ?POCHNOI CANYON @POCKLINGTON TROUGH APOINCARE SEAMOUNT POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tCPOLE ABYSSAL PLAIN DPOPCORN RIDGE EPORCUPINE ABYSSAL PLAIN FPORCUPINE BANK GPORCUPINE SEABIGHT HPORTLAND BANK IPORTLOCK BANK PORTO CANYON POSADA CANYON JPOSADOVSKY CANYON POSEIDONE SEAMOUNT KPOWELL BASIN LPOWERS SEAMOUNT MPOYDENOT SHOAL NPRATT GUYOT POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPPRESIDENT THIERS BANK QPRESTRUD BANK RPRIBILOF CANYON SPRINCE ALBERT SOUND TPRINCE EDWARD FRACTURE ZONE VPRINCESS ELIZABETH TROUGH UPRINCESSE ALICE BANK WPRITCHETT SEAMOUNT XPROA SEAMOUNT YPROKOFYEV SEAMOUNT ZPROTEA SEAMOUNT [PROTECTOR BASIN \PROTECTOR SHOAL PROVENCAL ESCARPMENT ]PROVENCAUX BANK POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPRUNES SEAMOUNT _PTOLEMY BASIN PTOLEMY MOUNTAINS PTOLEMY TRENCH `PUCCINI SEAMOUNT aPUERTO RICO TRENCH bPUKAKI RISE cPUTNAM SEAMOUNT dPUYSEGUR TRENCH eQUEBRADA FRACTURE ZONE fQUEENSLAND GUYOT gQUEENSLAND PLATEAU hQUEIROS SEAMOUNT iQUINN SEAMOUNT jQUIROS FRACTURE ZONE POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tkQUITA SUENO BANK R.S.A. SEAMOUNT lRACHMANINOV SEAMOUNT mRAFF SEAMOUNTS nRAITA BANK oRAITT SEAMOUNT RAMON LLULL VALLEY pRANGER BANK qRAPANO RIDGE rRAT ISLAND CANYON sRAUKUMARA PLAIN tRAVEL SEAMOUNT RECIFE PLATEAU uRECORDER GUYOT REDONDA VALLEY POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?twREINGA RIDGE xRENE REEF yRENNICK TROUGH zRESEARCHER RIDGE {RESEARCHER SEAMOUNT |RESERVE BANK }RETRIEVER SEAMOUNT ~REUNION TRENCH REVELLE GUYOT REVELLE RISE REVERE CHANNEL REYKJANES RIDGE RHODES BASIN RHNE CONE RHNE FAN POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tRICHARDS SEAMOUNT RICHARDSON SEAMOUNT RIEMANN SEAMOUNT RIGAULT DE GENOUILLY SHOAL RIO DE LA PLATA CANYON RIO GRANDE ABYSSAL PLAIN RIO GRANDE FRACTURE ZONE RIO GRANDE GAP RIO GRANDE PLATEAU RIONAL REEF RITSCHER CANYON RIVERA FRACTURE ZONE ROBBIE RIDGE ROCARD : ROCKALL BANK POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tROCKALL TROUGH ROCKALL : ROCKAWAY SEAMOUNT ROCKET SEAMOUNT RODRIGUES RIDGE RODROGUEZ SEAMOUNT ROE BANK ROGERS SEAMOUNT ROGGEVEEN BASIN ROGGEVEEN RISE ROHAN SEAMOUNT ROMANCHE FRACTURE ZONE ROMANCHE GAP RONCADOR BANK ROO RISE POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tROSALIND BANK ROSARIO BANK ROSE BANK ROSEMARY BANK ROSENGARTEN ROSS BANK ROSS CANYON ROSSINI SEAMOUNT ROST BANK ROWLEY REEFS ROWLEY SHELF ROYA CANYON ROYAL TROUGH RUDE KNOLL RUMBLE III SEAMOUNT POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tRUSSER BANK RYOHU SEAMOUNT RYOHU-DAINI SEAMOUNT SAAVEDRA SEAMOUNT SABA BANK SABA VALLEY SABLES D'OLONNE CANYON SADKO SEAMOUNT SAGAR KANYA SEAMOUNT SAGITTARIUS SEACHANNEL SAGLEK BANK SAGONE CANYON SAHARAN SEAMOUNTS SAHUL BANKS SAHUL SHELF POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSAINT PAUL FRACTURE ZONE SAINT ROGATIEN BANK ) SAINT TROPEZ CANYON SAINT-TROPEZ CANYON SAKARYA CANYON SALA Y GOMEZ RIDGE SALDANHA : SALERNO VALLEY SALMON BANK SALSIPUEDES BASIN SAMOA BASIN SAMOAN PASSAGE SAMPSON GUYOT SAN ANTIOCO CANYON SAN CLEMENTE BASIN POINTE-NOIRE VALLEY RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tPALMER SEAMOUNT PARECE VELA BASIN PELSAERT SEAMOUNT &PESCADERO TROUGH 5PILLSBURY SEAMOUNT BPOLARSIRKEL VALLEY OPRESIDENT JACKSON SEAMOUNT ^PROVIDENCE REEF QUIRRA MOUNTAINS vREED BANK RIBATSCHI BANK ROCKALL PLATEAU ROSA SEAMOUNT RURIK SEAMOUNT SAINT GEORGES CANYON EEF /PEARL AND HERMES REEF PEDRO Bank BANK /PEDRO BANK $Y-b6k ?tSAN FELIU CANYON SAN JOSE CANYON SAN JUAN CANYON SAN JUAN SEAMOUNT SAN LORENZO CANYON SAN MARTIN CANYON SAN MARTIN SEAMOUNTS SAN NICOLAS BASIN SAN PABLO CANYON SAN PEDRO MARTIR BASIN SAN QUINTIN BASIN  SAN VITO CANYON SANAE CANYON SANAK BANK SANDERS SEAMOUNT SANDWICH : RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSANTA CRUZ BASIN SANTA LUCIA BANK SANTA LUCIA BANK SANTA LUCIA ESCARPMENT SANTA MONICA CANYON SANTANDER CANYON SANTOS PLATEAU SAO PAULO CHANNEL SAO PAULO FRACTURE ZONE SAPMER SEAMOUNT SARANDIE SEAMOUNT  SARDINIA SEAMOUNT  SARDINIA-CORSICA TROUGH  SARDINO-BALEARIC ABYSSAL PLAIN SARDINO-BALEARIC PLAIN SARMIENTO RIDGE RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSAUNDERS BASIN SAURY SEAMOUNT SAVU BASIN SAXTON SEAMOUNT SAYA DE MALHA BANK SCARLATTI SEAMOUNT SCHAEFER SEAMOUNT SCHJETMAN REEF SCHMITT-OTT SEAMOUNT SCHOPPE RIDGE SCHOTT SEAMOUNT SCHUBERT SEAMOUNT SCHULZ BANK SCHUMANN SEAMOUNT SCHWABENLAND CANYON SCHWABENLAND SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSCOTT CANYON SCOTT SEACHANNEL SCOTT SEAMOUNT SCOTT SEAMOUNTS SCOTT SHOAL SCRIPPS GUYOT SCULPIN RIDGE  SCUSO BANK SEADRAGON RIDGE SEAGULL SHOAL SEALARK FRACTURE ZONE SEAMAP CHANNEL  SECCHI SEAMOUNT SEDLO SEAMOUNT SEDNA RIDGES SEGUNDO SEAMOUNT RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSEINE SEAMOUNT SELFRIDGE BANK SELKIRK RISE SEMINOLE SEAMOUNT SENGFELLER SEAMOUNT SENGHOR SEAMOUNT SENTINELLA BANK  SENTINELLE BANK SERAM TROUGH SERGEI VAVILOV SEAMOUNT SERMILIK DEEP SERRANA BANK SERRANILLA BANK SESOSTRIS BANK  SETE CANYON SEVER SPUR RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?tSHACKLETON CANYON SHACKLETON FRACTURE ZONE SHACKLETON SEAMOUNT SHAKA FRACTURE ZONE SHAKA RIDGE SHALOVICH SEAMOUNT SHANNON SEAMOUNT SHATSKIY RISE SHCHERBAKOV SEAMOUNT SHEBA : SHELDRAKE SEAMOUNT SHEPARD GUYOT SHEPHERD SEAMOUNT SHETLAND : SHIMADA SEAMOUNT SHIRASE BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t SHONA RIDGE !SHOR SEAMOUNT "SHORTLAND CANYON #SHOSTAKOVICH SEAMOUNT $SHOWA GUYOT %SHULEYKIN SEAMOUNT &SHUMAGIN BANK 'SIBELIUS SEAMOUNT (SIBERIA ABYSSAL PLAIN )SIBONEY SEAMOUNT SICILY-MALTA ESCARPMENT *SIERRA LEONE BASIN +SIERRA LEONE FRACTURE ZONE ,SIERRA LEONE RISE -SIGSBEE DEEP SHIRASE BASIN RIDGE /PARNAIBA RIDGE PASCAL Seamount SEAMOUNT$Y-b6k ?t/SIKOKU BASIN 0SILVER BANK SILVER KNOLL 1SILVERTOWN BANK SILVIA BANK 2SIMPSON 3SINAIA BANK SIND'BAD SEAMOUNT 4SIQUEIROS FRACTURE ZONE 5SIRIBESI SEAMOUNT 6SIRIUS BANK 7SIRIUS SEAMOUNT SIRTE ABYSSAL PLAIN SIRTE