Geographic location
Indian
Pacific
111
Antarctic
94
Southern Ocean
89
Kerguelen
38
The Antarctic
38
Weddell
16
Greenland
14
Weddell Sea
14
Southeast Indian Ridge
13
Arctic
12
Arctic Ocean
10
Five Islands
9
Gakkel Ridge
9
Patagonia
9
Possession Islands
9
East Antarctic Ice Sheet
8
East Antarctica
8
Prydz Bay
7
Maud Rise
6
Mid-Atlantic Ridge
6
Broken Ridge
5
Canada
5
Hjort Trench
5
Isi
5
Ross Sea
5
Barton
4
Burton
4
Kerguelen Islands
4
Norwegian Sea
4
Antarctic Ocean
3
Lazarev
3
Lazarev Sea
3
Rona
3
Scotia Sea
3
Sutherland
3
Vostok Station
3
Abbott
2
Agulhas Basin
2
Aldan
2
Anabar
2
Argentina
2
Augusto
2
Austral
2
Barra
2
Barrett
2
Besch
2
Bianchi
2
Brewster
2
Collerson
2
more ...