NAME 
Arguello Fan 
Arguello Plateau: see Arguello Terrace 
Arguello Terrace 
Arica Trench: see Peru-Chile Trench 
Ariel Bank 
Arlington Reef 
Arlis, Ushchel'ye: see Arlis Gap 
Arlis Gap 
Arlis Plateau: see Arlis Spur 
Arlis Spur 
Arma Canyon: see Verde Canyon 
Armoricain Seamount 
Armoricain Shelf 
Armorican Seamount: see Armoricain Seamount 
Armorican Shelf: see Armoricain Shelf 
Aroe Basin: see Aru Basin 
Aroe Bekkin: see Aru Basin 
Aroe Trough: see Aru Basin 
Arrowsmith, Banco: see Arrowsmith Bank 
Arrowsmith Bank 
Arroyo Seamount 
Artimon Bank 
Aruba Gap 
Aru Basin 
Ascension Canyon 
Ascension Fracture Zone 
Ashmor, Rif: see Ashmore Reef 
Ashmore Reef 
Ashton Seamount 
Asor Bank: see Acor Bank 
Asperias Seamount: see Asterias Seamount 
Assenshen, Kan’on: see Ascension Canyon 
Asterias Seamount 
Astoria Canyon 
Astoria Channel: see Astoria Seachannel 
Astoria Deep-Sea Channel: 
see Astoria Seachannel 
Astoria Deep-Sea Fan: see Astoria Fan 
Astoria Fan 
Astoria Seachannel 
Astoria Submarine Canyon: see Astoria Canyon 
Astrolabe, Récifs del’: see Astrolabe Reefs 
Astrolabe Reefs 
Atacama Graben: see Peru-Chile Trench 
Atacama Trench: see Peru-Chile Trench 
Atakamskiy Zhelob: see Peru-Chile Trench 
Atka Basin 
Atka Canyon 
Atka Seamount 
DESIG. 
fan 
terrace 
terrace 
trench 
reefs 
reef 
gap 
gap 
spur 
spur 
canyon 
seamount 
shelf 
seamount 
shelf 
basin 
basin 
basin 
reef 
reef 
seamount 
bank 
gap 
basin 
canyon 
fracture zone 
reef 
reef 
seamount 
bank 
seamount 
canyon 
seamount 
canyon 
seachannel 
seachannel 
fan 
fan 
seachannel 
canyon 
reefs 
reefs 
trench 
trench 
trench 
basin 
canyon 
seamount 
LAT. 
34°00'N 
34°30'N 
34°30'N 
20°00'S 
38°43'S 
16°43'S 
84°00'N 
84°00'N 
75°45'N 
75°45'N 
43°47'N 
46°27'N 
46°50'N 
46°27'N 
46°50'N 
5°00'S 
5°00'S 
5°00'S 
21°05'N 
21°05'N 
6°15'N 
45°10'N 
13°45'N 
5°00'S 
36°55'N 
7°20'S 
12°14'S 
12°14'S 
38°00'N 
38°10'N 
38°54'N 
36°55'N 
38°54'N 
46°15'N 
45°00'N 
45°00'N 
45°15'N 
45°15'N 
45°00'N 
46°15'N 
19°49'S 
19°49'S 
20°00'S 
20°00'S 
20°00'S 
51°20'N 
52°45'N 
50°16'N 
LONG, 
122°00'W 
120°55'W 
120°55'W 
73°00'W 
178°18'E 
146°02'E 
170°00'E 
170°00'E 
179°30'E 
179°30'E 
7°54'E 
12°25'W 
3°20'W 
12°25'W 
3°20'W 
134°00'E 
134°00'E 
134°00'E 
86°28'W 
86°28'W 
22°40'W 
58°00'W 
72°00'W 
134°00'E 
122°28'W 
14°00’W 
123°05'E 
123°05'E 
13°20'W 
29°20'W 
65°18'W 
122°28'W 
65°18'W 
124°30'W 
125°50'W 
125°50'W 
126°15'W 
126°15'W 
125°50'W 
124°30'W 
165°35'E 
165°35'E 
73°00'W 
73°00'W 
73°00'W 
174°00'W 
173°47'W 
175°10'W 
