Geographic location
Atka
Barents Sea
5
Filchner Trough
5
Lyddan Island
Maud Rise
5
Norway
5
Southern Ocean
5
Weddell
5
Weddell Sea
Agulhas Basin
3
Antarctic
3
Indian
3
Lazarev
3
Lazarev Sea
3
Antarctic Peninsula
2
Cape Fiske
2
Orcadas
2
Antarctic Ocean
1
Astrid Ridge
1
Greenland
1
Gunnerus Ridge
1
Kainan Maru Seamount
1
The Antarctic
1