NAME 
Tusket Basin 
Tuzo Wilson Seamounts 
Tyrrhenian Abyssal Plain: 
see Tyrrhenian Plain 
Tyrrhenian Basin 
Tyrrhenian Plain 
Tyuo-Goto Shelf Channels: 
see Chuoé-gotd Seachannels 
Udintsev Fracture Zone 
Uelker, Gora: see Welker Seamount 
Uinslou, Rif: see Winslow Reef 
Ukivok Shoal 
Ulak Basin 
Uliaga Canyon 
Ulloa Knoll 
Ulloa Reef 
Ulloa Seamount: see Ulloa Knoll 
Ulm Plateau 
Uloa Reef: see Ulloa Reef 
Umitaka Bank 
Umnak Basin 
Umnak Canyon 
Umnak Plateau 
Unalaska Basin 
Unalga Basin 
Unarang Rock 
Uncle Sam Bank 
Unicorn Seamount 
Unimak Seamount 
Union Reefs 
Union Sea Channel: see Scott Seachannel 
Union Seamount 
Urashima Bank 
Urashima-guri: see Urashima Bank 
Urashima-sho: see Urashima Bank 
Urasima Guri: see Urashima Bank 
Urdaneta Seamount 
Urry Bank 
Usarp Fracture Zone: 
see Udintsev Fracture Zone 
Ushakova Strath: see Svyataya Anna Trough 
Usof Canyon 
Ustica Escarpment 
Ustica Ridge 
Ustica Trough 
DESIG. 
basin 
seamounts 
plain 
basin 
plain 
seachannels 
fracture zone 
seamount 
reef 
shoal 
basin 
canyon 
knoll 
reef 
knoll 
plateau 
reef 
seamount 
basin 
canyon 
plateau 
basin 
basin 
reef 
bank 
seamount 
seamount 
reefs 
seachannel 
seamount 
bank 
bank 
bank 
bank 
seamount 
knoll 
fracture zone 
trough 
canyon 
escarpment 
ridge 
trough 
1-115 
LAT. 
42°50'N 
51°26'N 
40°00'N 
40°00'N 
40°00'N 
33°15'N 
57°00'S 
55°07'N 
1°36'S 
65°05'N 
50°45'N 
53°40'N 
22°35'N 
7°02'N 
22°35'N 
54°50'N 
7°02'N 
67°25'S 
52°35'N 
53°45'N 
54°15'N 
52°50'N 
51°22'N 
4°01'N 
25°38'N 
34°45'N 
53°40'N 
9°48'N 
49°55'N 
49°35'N 
35°58'N 
35°58'N 
35°58'N 
35°58'N 
9°23'N 
45°00'S 
57°00'S 
80°00'N 
53°05'N 
38°29'N 
38°38'N 
38°22'N 
LONG. 
66°45'W 
130°55'W 
12°45'E 
13°00'E 
12°45'E 
128°10'E 
145°00'W 
140°20'W 
174°57'W 
167°47'W 
179°08'W 
169°30'W 
108°55'W 
144°12’E 
108°55'W 
176°30'E 
144°12’E 
167°00'E 
167°50'W 
170°00'W 
170°15'W 
166°05'W 
179°15'W 
118°05'E 
113°24'W 
14°27'W 
162°30'W 
114°22'E 
133°00'W 
132°45'W 
135°21’E 
135°21’E 
135°21'E 
135°21'E 
111°09'W 
174°14'E 
145°00'W 
70°00'E 
166°40'W 
SAE 
12725) E 
12°40'E 
