Geographic location
Arctic
3
Arctic Ocean
Astrid Ridge
3
Gakkel Ridge
Southern Ocean
Weddell
3
Weddell Sea
3
Adelaide Island
2
Antarctic
2
Antarctic Peninsula
2
Atka
2
Barents Sea
2
Bransfield Strait
2
Cape Fiske
2
Drake Passage
2
Elephant Island
2
Filchner Trough
2
Greenland
2
Norway
2
Agulhas Basin
1
Argentine
1
Argentine Islands
1
Conrad Rise
1
Maud Rise
1
Queen Maud Land
1
Reimer
1