NAME 
Henselt Seamount 
Héradhsdjup 
Héradsdjup: see Héradhsdjup 
Herald, Récif: see Herald Reef 
Herald Bank 
Herald Canyon 
Herald Reef 
Herald Reef 
Herald Shoal: see Herald Reef 
Herbert Canyon 
Herdman Seamount 
Herefordshire Shoal 
Herodotus Basin 
Herodotus Seamount 
Herodotus Sill 
Herodotus Trough 
Hess Escarpment 
Hess Guyot: see Hess Tablemount 
Hess Rise 
Hess Tablemount 
Heywood Shoal 
Hibernia Reef 
Higashi-goto-rikudana-kokugun: 
see Higashi-goto Seachannels 
Higashi-goto Seachannels 
Higasi-Goto Shelf Channels: 
see Higashi-goto Seachannels 
Hikurangi Trench 
Hikurangi Trough: see Hikurangi Trench 
Hilgard Deep: see North Tokelau Trough 
Hinder Est: see East Hinder 
Hinder Nord: see North Hinder 
Hinds Seamount 
Hinemoa Seamount 
Hinlopen Basin: see Olga Basin 
Hirondelle II Seamount 
Hispaniola Basin 
Hispaniola Plain 
Hispanola Basin: see Hispaniola Basin 
Hitchfield Bank 
Hjort Basin: see Hjort Trench 
Hjort Fracture Zone 
Hjort Seamount 
Hjort Trench 
Hjort Trough: see Hjort Trench 
Hodges Knoll 
Hodges Seamount 
Hodgkins Ridge: see Hodgkins Seamounts 
Hodgkins Seamount 
Hodgkins Seamount Range: 
see Hodgkins Seamounts 
DESIG. 
seamount 
valley 
valley 
reef 
knoll 
canyon 
reef 
reef 
reef 
canyon 
seamount 
reef 
basin 
seamount 
sill 
trough 
escarpment 
tablemount 
rise 
tablemount 
reef 
reef 
seachannels 
seachannels 
seachannels 
trench 
trench 
trough 
shoal 
shoal 
seamount 
seamount 
basin 
seamount 
basin 
plain 
basin 
reef 
trench 
fracture zone 
seamount 
trench 
trench 
knoll 
seamount 
seamounts 
seamount 
seamounts 
LAT. 
27°02'N 
65°50'N 
65°50'N 
4°58'N 
15°44'N 
72°45'N 
4°58'N 
70°20'N 
70°20'N 
53°25'N 
45°15'S 
8°35'N 
34°00'N 
33°35'N 
33°30'N 
33°21'N 
15°05'N 
17°50'N 
36°45'N 
17°50'N 
13°29'S 
12°00'S 
33°20'N 
33°20'N 
33°20'N 
40°00'S 
40°00'S 
7°00'S 
51°35'N 
51°38'N 
18°26'N 
35°20'S 
78°20'N 
36°26'N 
20°18'N 
20°18'N 
20°18'N 
7°44'N 
58°00'S 
62°00'S 
56°30'S 
58°00'S 
58°00'S 
12°25'N 
31°54'N 
53°30'N 
53°30'N 
53°30'N 
LONG. 
161°16'W 
13°30'W 
13°30'W 
112°36’E 
112°14'E 
174°30'W 
112°36’E 
171°04'W 
171°04'W 
170°40'W 
0°30'E 
117°O1'E 
30°00'E 
19°56'E 
20°24'E 
20°33E 
75°50'W 
174°15'W 
IWTASLE 
174°15'W 
124°04'E 
123°23’E 
128°40'E 
128°40'E 
128°40'E 
179°00'E 
179°00'E 
165°00'W 
2°40'E 
2°34'E 
153°10'W 
176°10'W 
29°00'E 
11°50'W 
71°35'W 
71°35'W 
71°35'W 
149°40’E 
157°30'E 
163°00'E 
159°00'E 
157°30'E 
157°30'E 
155°37'W 
58°44'W 
136°00'W 
136°05'W 
136°00'W 
