Geographic location
Arctic
28
Arctic Ocean
28
Gakkel Ridge
Barents Sea
8
Amundsen Basin
6
Greenland
6
Makarov Basin
5
Morris Jesup Rise
5
Adelaide Island
2
Antarctic
2
Antarctic Peninsula
2
Astrid Ridge
2
Atka
2
Bransfield Strait
2
Cape Fiske
2
Drake Passage
2
Elephant Island
2
Filchner Trough
2
Norway
2
Southern Ocean
2
Weddell
2
Weddell Sea
2
Argentine
1
Argentine Islands
1
Conrad Rise
1
East Siberian Sea
1
Franz Josef Land
1
Maud Rise
1
Queen Maud Land
1
Svalbard
1
Yermak Plateau
1