"HALL Bank","21 52'S - 39 00'E"," ","701","* = Tablemount"
"______________________","____________________","________","__________","____________________________"
"HALMAHERA Basin","0 30'S - 129 00'E","5.10"," ","*"
"______________________","____________________","________","__________","____________________________"
"HALTEN Bank","64 45'N -8 45'E","5.01","10-11","*"
" "," ","5.17","101"," "
"______________________","____________________","________","__________","____________________________"
"HAMILTON Bank","54 00'N - 54 30'W","5.04"," ","* (Sept. 1983) "
"______________________","____________________","________","__________","____________________________"
"HAMMERSTEIN Seamount","32 28'N - 165 46'W"," ","50","*"
"______________________","____________________","________","__________","____________________________"
"HANCOCK Bank","1 04'S -90 13'W"," ","503","*"
"______________________","____________________","________","__________","____________________________"
"HANDEL Seamount","27 26'N - 159 53'W"," ","50-51","*"
"______________________","____________________","________","__________","____________________________"
"HARRISON Seamount","12 40'N - 167 55'W"," ","504","*"
"______________________","____________________","________","__________","____________________________"
"HARRIS Seamount","46 10'N - 161 25'W"," ","50","*"
"______________________","____________________","________","__________","____________________________"
"HARTOG :"," "," "," "," "
"see DIRCK HARTOG"," "," "," "," "
"    Ridge"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HASSAYAMPA Seamount","15 18'N - 163 29'W"," ","50-51","*"
" "," "," ","504"," "
"______________________","____________________","________","__________","____________________________"
"HATTERAS Abyssal","29 00'N - 70 30'W","5.08","11","* = Plain"
"Plain"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HATTERAS Canyon","35 00'N - 75 00'W","5.08"," ","*"
"______________________","____________________","________","__________","____________________________"
"HATTON Bank","58 35'N - 18 00'W","5.04","11-14","* = Ridge"
" "," "," ","102"," "
"______________________","____________________","________","__________","____________________________"
"HATTON-ROCKALL","57 30'N - 17 00'W","5.04","102","*"
"Basin"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HAVRE Trough","28 00'S - 178 40'W","5.10","600","*"
"______________________","____________________","________","__________","____________________________"
"HAWAIIAN Ridge","31 00'N - 176 00'E","5.06","50-504","*"
" ","to","5.07"," "," "
" ","22 00'N - 160 00'W"," "," "," "
"______________________","____________________","________","__________","____________________________"
"HAWAIIAN Trough","21 00'N - 155 00'W","5.07","50-51","*"
" "," "," ","504"," "
"______________________","____________________","________","__________","____________________________"
"HAWAIIAN :"," "," "," "," "
"see NORTH HAWAIIAN"," "," "," "," "
"Ridge"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HAWLEY Ridge","51 00'N - 176 15'W"," ","50-513","*"
"______________________","____________________","________","__________","____________________________"
"HAYDN Seamount","26 40'N - 161 12'W"," ","50-51","*"
"______________________","____________________","________","__________","____________________________"
"HAYES Fracture","34 30'N - 41 30'W","5.08"," ","*"
"Zone","33 00'N - 35 00'W","","",""
"______________________","____________________","________","__________","____________________________"
"HAZEL HOLME Bank","12 45'S - 174 00'E","5.10","604","*"
"______________________","____________________","________","__________","____________________________"
"HEBRIDEAN Shelf","59 15'N - 5 30'W","5.04"," "," "
"______________________","____________________","________","__________","____________________________"
"HEBRIDES TERRACE","56 25'N - 10 25'W","5.04"," ","* = HEBRIDES Seamount"
"Seamount"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HECATE Seamount","52 17'N - 31 00'W","5.04","11-13","*"
" "," "," ","14-102"," "
"______________________","____________________","________","__________","____________________________"
"HECETA Bank","44 10'N - 124 45'W"," ","501","*"
"______________________","____________________","________","__________","____________________________"
"HECHT Seamount","53 45'N - 151 20'W"," ","50-500","*"
"______________________","____________________","________","__________","____________________________"
"HECK Canyon","52 15'N - 175 00'E"," ","513","*"
"______________________","____________________","________","__________","____________________________"
"HECK Seamount","48 30'N - 130 00'W"," ","50-501","*"
"______________________","____________________","________","__________","____________________________"
"HEEZEN Fracture Zone","51 25'S - 140 00'W","5.15"," ","*"
"","to","","",""
"","57 45'S - 110 00'W","","",""
"______________________","____________________","________","__________","____________________________"
"HELLENIC Trench","37 15'N - 20 15'E","5.05","302","GEBCO-SCGN/7"
" ","to"," "," "," "
" ","34 50'N - 28 00'E"," "," "," "
"______________________","____________________","________","__________","____________________________"
"HEMLER Guyot","19 40'N - 151 40'E","5.06"," ","* (December 1983)"
" "," "," "," ","GEBCO-SCGN/6"
"______________________","____________________","________","__________","____________________________"
"HENDERSON Seamount","25 34'N - 119 33'W"," ","50-51","*"
" "," "," ","502"," "
"______________________","____________________","________","__________","____________________________"
"HERALD Valley","71 15'N - 174 20'E","5.03"," ","* (January 1985)"
" "," ","5.17"," ","GEBCO-SCGN/6"
"______________________","____________________","________","__________","____________________________"
"HERDMAN Seamount","45 20'S - 0 30'E","5.12","21","*"
" "," ","5.16"," "," "
"______________________","____________________","________","__________","____________________________"
"HERODOTUS Basin","33 00'N - 28 00'W","5.05","302","*"
" "," "," "," ","GEBCO-SCGN/7"
" "," "," "," ","INT Chart = Abyssal Plain"
"______________________","____________________","________","__________","____________________________"
"HERODOTUS Rise","33 40'N - 23 30'E"," ","302"," "
"______________________","____________________","________","__________","____________________________"
"HERODOTUS Seamount","33 36'N - 19 55'E"," ","302","*"
"______________________","____________________","________","__________","____________________________"
"HERO Fracture Zone","61 30'S - 66 00'W","5.15"," ","* (June 1987) "
"______________________","____________________","________","__________","____________________________"
"HERMES :"," "," "," "," "
"see PEARL AND"," "," "," "," "
"HERMES Reef"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HESS Rise","36 30'N - 177 00'E","5.06","53","*"
"______________________","____________________","________","__________","____________________________"
"HESS Tablemount","17 50'N - 174 15'W"," ","504","*"
"______________________","____________________","________","__________","____________________________"
"HIKURANGI Trench","41 30'S - 177 00'E","5.10"," ","*"
"______________________","____________________","________","__________","____________________________"
"HILLARY Canyon","72 25'S - 173 00'W","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"HILL :"," "," "," "," "
"see M.N. HILL Ridge"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HINDS Seamount","18 26'N - 153 10'W "," ","504","*"
"______________________","____________________","________","__________","____________________________"
"HISPANIOLA Trough","20 18'N - 71 00'W","5.08"," ","*"
"______________________","____________________","________","__________","____________________________"
"HJORT Trench","58 30'S - 157 45'E","5.14"," ","*"
"______________________","____________________","________","__________","____________________________"
"HOBBS Bank","74 20'S - 137 30'W","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"HODGES Knoll","12 25'N - 155 37'W"," ","51-504","*"
"______________________","____________________","________","__________","____________________________"
"HODGES Seamount","31 54'N - 58 44'W"," ","11-12","*"
"","","","400",""
"______________________","____________________","________","__________","____________________________"
"HODGKINS Seamount","53 30'N - 136 05'W"," ","50-500","*"
" "," "," ","501"," "
"______________________","____________________","________","__________","____________________________"
"HODGKINS Seamounts","53 40'N - 136 30'W"," ","50-500","* "
" "," "," ","501"," "
"______________________","____________________","________","__________","____________________________"
"HOGSTY Reef","21 41'N - 73 49'W"," ","108-400"," "
" "," "," ","401-402"," "
"______________________","____________________","________","__________","____________________________"
"HOKE Seamount","32 06'N - 126 56'W"," ","50-51","*"
" "," "," ","501"," "
"______________________","____________________","________","__________","____________________________"
"HOKKAIDO Rise","42 30'N - 150 00'E","5.06","53-511","*"
"(see also ZENKEVICH","to"," "," ","GEBCO = ZENKEVICH Rise"
"Rise)","46 30'N - 157 00'E"," "," ","INT Charts =HOKKAIDO Rise"
"______________________","____________________","________","__________","____________________________"
"HOLMES Reef","16 30'S - 147 50'E","5.10"," ","* = Reefs"
"______________________","____________________","________","__________","____________________________"
"HOLME :"," "," "," "," "
"see HAZEL HOLME"," "," "," "," "
"Bank"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HOOKER Basin","70 10'S - 166 20'E","5.14"," "," "
" "," ","5.18"," "," "
"______________________","____________________","________","__________","____________________________"
"HOOK Ridge","51 30'N - 143 40'W","","50-810 ","*"
"______________________","____________________","________","__________","____________________________"
"HORIZON Bank","13 10'S - 173 35'E","5.10"," "," "
"______________________","____________________","________","__________","____________________________"
"HORIZON Channel","47 10'N - 145 00'W","5.03"," "," "
"______________________","____________________","________","__________","____________________________"
"HORIZON Deep","23 20'S - 174 47'W","5.10"," ","* (November 1982) "
"______________________","____________________","________","__________","____________________________"
"HORIZON Ridge","14 30'S - 106 15'E","5.09","708"," "
"______________________","____________________","________","__________","____________________________"
"HORIZON Tablemount","19 40'N - 168 30'W"," ","50-60","*"
" "," "," ","809"," "
"______________________","____________________","________","__________","____________________________"
"HORSESHOE Seamounts","36 00'N - 13 00'W","5.08"," ","*"
"______________________","____________________","________","__________","____________________________"
"HOTSPUR Fracture","19 00'S - 18 30'W","5.12"," "," "
"Zone","to","","",""
"","17 00'S - 5 00'W "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HOTSPUR Seamount","18 00'S - 36 00'W","5.12","202","*"
" "," "," "," ","INT Charts = Bank"
"______________________","____________________","________","__________","____________________________"
"HOWE :"," "," "," "," "
"see LORD HOWE Rise"," "," "," "," "
"and LORD HOWE"," "," "," "," "
"Seamount Chain"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HUDDELL Seamount","28 20'N -146 13'W"," ","50-51","*"
"______________________","____________________","________","__________","____________________________"
"HUDSON Canyon","39 30'N - 72 15'W","5.08"," ","*"
"______________________","____________________","________","__________","____________________________"
"HUKUTOKU Seamount","24 03'N - 141 37'E"," ","510"," "
"______________________","____________________","________","__________","____________________________"
"HUKUZIN Seamount","21 56'N - 143 28'E"," ","510"," "
"______________________","____________________","________","__________","____________________________"
"HUNTER Channel","34 00'S - 28 00'W"," ","22-201","* = Gap"
"______________________","____________________","________","__________","____________________________"
"HUNTER :"," "," "," "," "
"see DERWENT HUNTER"," "," "," "," "
"Guyot"," "," "," "," "
"______________________","____________________","________","__________","____________________________"
"HYDRA Seamount","11 00'S - 50 35'E","5.09","70-71-72","*"
" "," "," ","702"," "
"______________________","____________________","________","__________","____________________________"
"HYERES Seamount","31 30'N - 29 00'W"," ","11-12-14","*"
"______________________","____________________","________","__________","____________________________"