Geographic location
Southern Ocean
Weddell
20
Weddell Sea
Antarctic
7
The Antarctic
6
Lazarev
5
Lazarev Sea
5
Antarctic Peninsula
4
Atka
4
Filchner Trough
4
Norway
4
Drake Passage
3
Lyddan Island
3
Maud Rise
3
Agulhas Basin
2
Barents Sea
2
Bouvet
2
Bouvet Island
2
Cape Fiske
2
Adelaide Island
1
Amundsen Sea
1
Anvers
1
Anvers Island
1
Atkinson
1
Bellingshausen Sea
1
Bransfield Strait
1
Gizhiga
1
Gould Bay
1
Larsen Ice Shelf
1
Riiser-Larsen
1
Riiser-Larsen Ice Shelf
1
Scotia Sea
1