Geographic location
Antarctic
12
Atka
12
Barents Sea
12
Norway
Antarctic Peninsula
11
Adelaide Island
8
Agulhas Basin
8
Argentine
8
Argentine Islands
8
Bransfield Strait
8
Cape Fiske
8
Drake Passage
8
Weddell
8
Weddell Sea
8
Filchner Trough
7
Southern Ocean
7
Indian
6
Anvers
5
Anvers Island
5
Orcadas
5
Conrad Rise
4
Lyddan Island
4
Astrid Ridge
3
Elephant Island
3
Gould Bay
3
Lazarev
3
Lazarev Sea
3
Maud Rise
3
Joinville
2
Joinville Island
2
The Antarctic
2
King George Island
1
Pacific
1