NAME 
Isabella Seamount: see Isabella Reef 
Isafjardhardjup 
Isa Fjord Deep: see {safjardhardjup 
Isakova, Gora: see Isakov Seamount 
Isakov Seamount 
Iselin Bank 
Iselin Bank: see Iselin Seamount 
Iselin Seamount 
Isfjordrenna 
Isobel Shoals 
Iwabuchi Seamount 
Iwo Jima Ridge 
Tzu-Ogasawara Trench: see Izu Trench 
Izu Trench 
Jackman Canyon 
Jacques Swell 
Jadul Ridge 
Jaggar Seamount 
Jagua, Banco de 
Jaguar Seamount 
Jakkula Bank 
Jamaican Plain 
James Basin 
James Canyon 
James Knoll 
James Patch 
Janga Canyon 
Jan Mayen Cross Rise: see West Jan Mayen Ridge 
Jan Mayen Fracture Zone 
Jan Mayen Ridge 
J-Anomaly Ridge 
Japan Abyssal Plain: see Japan Plain 
Japan Basin 
Japan Deep: see Japan Basin 
Japan Plain 
Japan Sea Basin: see Japan Basin 
Japan Trench 
Jaqua Seaknoll: see Jagua, Banco de 
Jaques Swell: see Jacques Swell 
Jaseur Bank: see Jaseur Seamount 
Jaseur Seamount 
Jason Seamount: see Mendelssohn Seamount 
Jasper Seamount 
Java Deep: see Java Trench 
Java Reef 
Java Ridge 
Java Trench 
Java Trog: see Java Trench 
Java Trough: see Java Trench 
DESIG. 
reef 
valley 
valley 
seamount 
seamount 
spur 
seamount 
seamount 
valley 
reef 
seamount 
ridge 
trench 
trench 
canyon 
rise 
ridge 
seamount 
reef 
seamount 
bank 
plain 
basin 
canyon 
knoll 
reef 
canyon 
ridge 
fracture zone 
ridge 
ridge 
plain 
basin 
basin 
plain 
basin 
trench 
reef 
rise 
seamount 
seamount 
seamount 
seamount 
trench 
reef 
ridge 
trench 
trench 
trench 
LAT. 
12°25'S 
66°10'N 
66°10'N 
31°45'N 
31°45'N 
72°30'S 
70°45'S 
70°45'S 
78°05'N 
3°52'N 
42°04'N 
30°00'N 
31°00'N 
31°00'N 
43°15'N 
42°36'N 
41°40'N 
19°23'N 
21°35'N 
21°50'S 
27°59'N 
15°30'N 
51°00'N 
50°51'N 
51°00'N 
4°30'N 
14°37'S 
71°00'N 
71°12'N 
69°00'N 
40°30'N 
41°30'N 
40°00'N 
40°00'N 
41°30'N 
40°00'N 
37°00'N 
21°35'N 
42°36'N 
20°30'S 
20°30'S 
25°10'N 
30°32'N 
10°30'S 
7°50'N 
9°30'S 
10°30'S 
10°30'S 
10°30'S 
LONG. 
177°25'W 
23°00'W 
23°00'W 
151°30’E 
151°30'E 
179°00'W 
178°15'W 
178°15'W 
12°00'E 
112°47'E 
132°44'W 
139°30'E 
142°00'E. 
142°00'E 
49°28'W 
68°20'W 
10°15'E 
157°00'W 
80°40'W 
39°27'E 
91°39'W 
79°00'W 
177°30'E 
177°12’E 
177°12’E 
119°12’E 
40°53'E 
13°00'W 
8°00'W 
8°00'W 
51°00'W 
135°00’'E 
135°00'E 
135°00'E 
135°00'E 
135°00'E 
143°00'E 
80°40'W 
68°20'W 
36°00'W 
36°00'W 
161°39'W 
122°42'W 
110°00'E 
118°34'E 
109°00'E 
110°00'E 
110°00'E 
110°00'E 
