NAME 



DESIG. 



LAT. 



LONG. 



Hassler Reef 



Hatteras Abyssal Plain: see Hatteras Plain 



Hatteras Canyon 



Hatteras Outer Ridge: see Hatteras Ridge 



Hatteras Plain 



Hatteras Ridge 



Hatton Bank: see Hatton Ridge 



Hatton Ridge 



Hatton-Rockall Basin 



Hauraki Canyon 



Hauergall Deep: see Brazil Basin 



Havre Trough: see Lau Basin 



Havre Trough 



Hawaiian Arch 



Hawaiian Deep: see Hawaiian Trough 



Hawaiian Plateau: see Hawaiian Ridge 



Hawaiian Ridge 



Hawaiian Trough 



Hawaii-RUcken: see Hawaiian Ridge 



Hawke Canyon 



Hawke Sea-Valley: see Hawke Canyon 



Hawkins Reef 



Hawkins Shoal: see Hawkins Reef 



Hawley Ridge 



Hayama Canyon 



Haycock Basin 



Haycock Depression: see Haycock Basin 



Haydn Seamount 



Hayes Fracture Zone 



Hayes Reef 



Hazel Holme, Banc: see Hazel Holme Bank 



Hazel Holme Bank 



Heald Bank 



Heaphy Valley 



Heaphy Sea Valley: see Heaphy Valley 



Hebrides Seamount 

 Hebrides Terrace Seamount: 



see Hebrides Seamount 

 Hecataeus Knoll 



Hecataeus Mountains: see Hecataeus Seamount 

 Hecataeus Seamount 



Hecate, Bajo: see Hecate Patch 

 Hecate, Banc: see Hecate Patch 

 Hecate, Secca: see Hecate Patch 

 Hecate Bank: see Hecate Seamount 

 Hecate Patch 



Hecate Seamount 



Heceta Bank 



Heceta Depression: see Heceta Valley 



Heceta Escarpment 



Heceta Knoll 



reef 



plain 



canyon 



ridge 



plain 



ridge 

 ridge 

 ridge 

 basin 

 canyon 



basin 



basin 



trough 



arch 



trough 



ridge 



ridge 



trough 



ridge 



canyon 



canyon 



reef 



reef 



ridge 



canyon 



basin 

 basin 

 seamount 

 fracture zone 

 reef 



seamount 



seamount 



reef 



valley 



valley 



seamount 



54°49'N 

 31°00'N 

 34°40'N 

 33°45'N 

 3r00'N 



33°45'N 

 59°00'N 

 59°00'N 

 57°30'N 

 35°20'S 



15°00'S 

 20°00'S 

 31°30'S 

 20°00'N 

 2r00'N 



24°00'N 

 24°00'N 

 21°00'N 

 24°00'N 

 39°38'S 



39°38'S 

 10°18'S 

 10°18'S 



sroo'N 



35°13'N 



52°02'N 

 52°02'N 

 26°40'N 

 33°40'N 

 5°22'N 



12°49'S 



12°49'S 

 29°05'N 

 40°40'S 

 40°40'S 



56°27'N 



13r37'W 



yrww 



74"00'W 

 72°50'W 



7roo'W 



72"50'W 

 17'30'W 

 17°30'W 

 16°30'W 

 175°35'E 



25°00'W 

 177°00'W 

 179°30'W 

 152°00'W 

 155°00'W 



165°00'W 

 165°00'W 

 155°00'W 

 165°00'W 

 177°52'E 



177°52'E 



167°22'E 



167°22'E 



176°15'W 



139°28'E 



177°48'E 

 177°48'E 

 161°12'W 

 38°30'W 

 112°39'E 



174°03'E 

 174°03'E 

 94°16'W 

 17r31'E 

 171°31'E 



10°22'W 



1-53 



