NAME 
Orphan Knoll 
Orphan Knoll Crest: see Orphan Knoll 
Orphelin, Banc del’: see Orphelin Bank 
Orphelin Bank 
Osborn, Gora: see Ozbourn Seamount 
Osborn Bank 
Osborn Knoll: see Osborn Plateau 
Osborn Plateau 
Oshawa Seamount 
Ost-australisches-Becken: see Tasman Basin 
Ostenso Seamount 
Ostpazifischer Rticken: see East Pacific Rise 
Ostrovnoy Seamount 
Ouest, Récif del’: see West Reef 
Ouest, Récif del’: see Western Reef 
Ououkinsh Canyon 
Ououkinsh Submarine Canyon: 
see Quoukinsh Canyon 
Outer Bailey 
Outer Baranof Channel: 
see Baranof Seachannel 
Outer Candalaria Canyon: 
see Outer Candelaria Canyon 
Outer Candelaria Canyon 
Outer Cascadia Channel: 
see Cascadia Seachannel 
Outer Gorda Bank 
Outer Shoal 
Owen, Banc: see Owen Shoal 
Owen Bank 
Owen Basin 
Owen Fracture Zone 
Owen Shoal 
Oyster Reef 
Ozbourn Seamount 
Ozernoy Spur 
Pacific-Antarctic Basin: 
see Southeast Pacific Basin 
Pacific-Antarctic Ridge 
Pacific South Polar Basin: 
see Southeast Pacific Basin 
Pacifique, Bassin du: 
see Northeast Pacific Basin 
Pacifique Oriental, Dorsale du: 
see East Pacific Rise 
Pacifique Sud, Dorsale du: 
see Pacific-Antarctic Ridge 
Padang Bank 
Paganini Seamount 
Pahaoa Canyon 
Pahaua Canyon: see Pahaoa Canyon 
Pai-hung T’an: see Penguin Reef 
DESIG. 
knoll 
knoll 
bank 
bank 
seamount 
knoll 
plateau 
plateau 
seamount 
basin 
seamount 
rise 
seamount 
reef 
reef 
canyon 
canyon 
seamount 
seachannel 
canyon 
canyon 
seachannel 
bank 
reef 
reef 
bank 
basin 
fracture zone 
reef 
reef 
seamount 
spur 
basin 
ridge 
basin 
basin 
rise 
ridge 
reef 
seamount 
canyon 
canyon 
reef 
LAT. 
50°23'N 
50°23'N 
48°18'N 
48°18'N 
26°00'S 
33°22'N 
14°45'S 
14°45'S 
52°22'N 
43°00'S 
84°00'N 
35°00'S 
41°55'N 
8°51'N 
10°15'N 
50°00'N 
50°00'N 
60°27'N 
55°00'N 
23°00'N 
23°00'N 
43°30'N 
23°01'N 
7°02'N 
8°09'N 
6°47'S 
44°50'N 
12°00'N 
8°09'N 
16°38'S 
26°00'S 
57°40'N 
60°00'S 
62°00'S 
60°00'S 
20°00'N 
20°00'S 
62°00'S 
4°02'N 
28°41'N 
41°35'S 
41°35'S 
15°39'N 
LONG. 
46°24'W 
46°24'W 
63°11'W 
63°11'W 
174°50'W 
119°02'W 
87°00'E 
87°00'E 
134°05'W 
158°00'E 
120°00'W 
110°00'W 
134°00'E 
112°12’E 
113°37'E 
128°00'W 
128°00'W 
12°30'W 
137°30'W 
110°15'W 
110°15'W 
130°00'W 
109°28'W 
117°00'E 
111°58’E 
70°14'E 
66°45'W 
58°00'E 
111°58'E 
145°56'E 
174°50'W 
163°40'E 
115°00'W 
157°00'W 
115°00'W 
140°00'W 
115°00'W 
157°00'W 
117°56'E 
162°40'W 
175°45'E 
175°45’E 
113°44’E 
