NAME 
Yakutat Canyon: see Yakutat Valley 
Yakutat Seamount 
Yakutat Seavalley: see Yakutat Valley 
Yakutat Strath: see Yakutat Valley 
Yakutat Valley 
Yamato, Vozvyshennost’: see Yamato Ridge 
Yamato Bank: see Yamato Ridge 
Yamato Basin 
Yamato Ridge 
Yamato Rise 
Yamato Seamount: see Yamato Ridge 
Yamato Tablemount 
Yamato-tai: see Yamato Ridge 
Yamato Trough 
Yang-ming Chiao: 
see Pennsylvania North Reef 
Yap, Fosse de: see Yap Trench 
Yaponskiy Zhelob: see Japan Trench 
Yap Ridge 
Yap Trench 
Yap Trough: see Yap Trench 
Yaquina Trough 
Yatsuhashi Seamount 
Yavanskiy Zhelob: see Java Trench 
Yermaka, Podnyatiye: see Yermak Plateau 
Yermak Plateau 
Yermak Rise: see Yermak Plateau 
Yin-ch ing Ch'un-chiao: see London Reefs 
Yin-chi Tan: see Egeria Bank 
Yin-li T’an: see Iltis Bank 
Yin-lo Tan: see Iltis Bank 
Ymir Ridge 
Yomei Seamount 
York Breakers 
York Shoal 
Yucatan, Hoya de: see Yucatan Basin 
Yucatan Bank: see Campeche Bank 
Yucatan Basin 
Yucatan Deep: see Yucatan Basin 
Yucatan Escarpment 
Yucatan Plain 
Yukatanskaya Kotlovina: see Yucatan Basin 
Yuma Basin 
Yunaska Canyon 
Yung-shu Chiao: see Fiery Cross Reef 
Yung-teng An-sha: see Trident Shoal 
Yunion, Gora: see Union Seamount 
Yupanqui Basin 
Yuryaku Seamount 
Yu-ya An-sha: see Investigator Shoal 
DESIG. 
valley 
seamount 
valley 
valley 
valley 
ridge 
ridge 
basin 
ridge 
rise 
ridge 
tablemount 
ridge 
trough 
reef 
trench 
trench 
ridge 
trench 
trench 
trough 
seamount 
trench 
plateau 
plateau 
plateau 
reefs 
reef 
reef 
reef 
ridge 
seamount 
reef 
shoal 
basin 
bank 
basin 
basin 
escarpment 
plain 
basin 
basin 
canyon 
reef 
reef 
seamount 
basin 
seamount 
reef 
I-123 
LAT. 
59°30'N 
35°15'N 
59°30'N 
59°30'N 
59°30'N 
39°20'N 
39°20'N 
38°30'N 
39°20'N 
39°30'N 
39°20'N 
37°45'N 
39°20'N 
39°25'N 
10°48'N 
8°30'N 
37°00'N 
9°00'N 
8°30'N 
8°30'N 
3°00'N 
27°58'N 
10°30'S 
82°00'N 
82°00'N 
82°00'N 
8°51'N 
16°01'N 
16°46'N 
16°46'N 
59°57'N 
42°18'N 
9°54'N 
65°12'N 
20°00'N 
22°00'N 
20°00'N 
20°00'N 
19°40'N 
20°00'N 
20°00'N 
18°05'N 
53°15'N 
9°38'N 
11°31'N 
49°35'N 
19°00'S 
32°40'N 
8°09'N 
LONG. 
140°00'W 
48°00'W 
140°00'W 
140°00'W 
140°00'W 
135°00’E 
135°00'E 
136°00'E 
135°00'E 
134°00'E 
135°00'E 
133°45'E 
135°00'E 
134°15'E 
116°51'E 
138°00'E 
143°00'E 
138°00'E 
138°00'E 
138°00'E 
80°00'W 
160°14'W 
110°00’E 
5°O00'E 
5°00'E 
5°00'E 
D283 20E 
114°56’E 
112°13'E 
112°13'E 
8°10'W 
170°24'E 
118°10'E 
167°30'W 
84°00'W 
90°00'W 
84°00'W 
84°00'W 
86°30'W 
85°00'W 
84°00'W 
68°15'W 
170°50'W 
1255755 
114°38'E 
132°45'W 
101°00'W 
17221 51 
114°44'E 
