Geographic location
Atka
13
Barents Sea
Norway
13
Southern Ocean
13
Weddell
12
Weddell Sea
12
Filchner Trough
10
Lyddan Island
8
Antarctic
7
Maud Rise
7
Agulhas Basin
6
Indian
6
Antarctic Peninsula
5
Cape Fiske
4
Lazarev
4
Lazarev Sea
4
Orcadas
4
Adelaide Island
2
Argentine
2
Argentine Islands
2
Astrid Ridge
2
Conrad Rise
2
Drake Passage
2
Elephant Island
2
Greenland
2
King George Island
2
Antarctic Ocean
1
Bransfield Strait
1
Canada
1
Gould Bay
1
Gunnerus Ridge
1
Joinville
1
Joinville Island
1
Kainan Maru Seamount
1
Pacific
1
The Antarctic
1