Geographic location
Antarctic
12
Antarctic Peninsula
Barents Sea
Norway
12
Adelaide Island
10
Atka
10
Bransfield Strait
9
Argentine
8
Argentine Islands
8
Drake Passage
8
Weddell
8
Weddell Sea
8
Agulhas Basin
7
Anvers
7
Anvers Island
7
Cape Fiske
7
Southern Ocean
7
Filchner Trough
6
Astrid Ridge
4
Conrad Rise
3
Elephant Island
3
Greenland
2
Indian
2
Orcadas
2
Amundsen Sea
1
Arctic
1
Arctic Ocean
1
Bellingshausen Sea
1
Gakkel Ridge
1
Gould Bay
1
King George Island
1
Lazarev
1
Lazarev Sea
1
Lyddan Island
1
Maud Rise
1
Scotia Sea
1