NAME 



DESIG. 



LAT. 



LONG. 



Yatsuhashi Seamount 

 Yavanskiy Zhelob: see 

 Yermaka, Podnyatiye: see 

 Yermak Plateau 

 Yermak Rise: see Yermak Plateau 



Java Trench 



Yermak Plateau 



Yin-ch'ing Ch'un-chiao: see London Reefs 

 Yin-chi Tan: see Egeria Bank 

 Yin-li Tan: see litis Bank 

 Yin-lo Tan: see litis 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 



Yuzhnaya Kotlovina: 



see Southwest Pacific Basin 

 Yuzhno-Antil'skaya Kotlovina: 



see East Scotia Basin 



Yuzhno-Antil'skaya Kotlovina: 



see West Scotia Basin 

 Yuzhno-Atlanticheskiy Khrebet: 



see Mid-Atlantic Ridge 

 Yuzhno-Avstraliyskaya Kotlovina: 



see South Australian Basin 

 Yuzhno-Fidzhiyskaya Kotlovina: 



see South Fiji Basin 

 Yuzhnogo Mysa, Zholob: see Stor^ordrenna 



Yuzhno-Sandvicheva Vpadina: 



see South Sandwich Trench 

 Yuzhno-Tikhookeanskiy Khrebet: 



see Pacific-Antarctic Ridge 

 Yuzhno-Tikhookeanskoye Podnyatiye: 



see Pacific-Antarctic Ridge 



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 



basin 



basin 



basin 



Cordillera 



basin 



basin 

 valley 



trench 



ridge 



ridge 



1-144 



