Geographic location
Astrid Ridge
Weddell
Weddell Sea
6
Antarctic
5
Atka
5
Norway
5
Southern Ocean
5
Adelaide Island
4
Antarctic Peninsula
4
Argentine
4
Argentine Islands
4
Barents Sea
4
Cape Fiske
4
Drake Passage
4
Filchner Trough
4
Agulhas Basin
3
Bransfield Strait
3
Anvers
2
Anvers Island
2
Arctic
2
Arctic Ocean
2
Conrad Rise
2
Elephant Island
2
Gakkel Ridge
2
Greenland
2
Gould Bay
1
Indian
1
King George Island
1
Lazarev
1
Lazarev Sea
1
Reimer
1