Geographic location
Greenland
13
Arctic
7
Arctic Ocean
7
Antarctic
5
Indian
5
Laptev Sea
5
Gakkel Ridge
4
Agulhas Basin
3
Amundsen Basin
3
Morris Jesup Rise
3
Atka
2
Barents Sea
2
Conrad Rise
2
Filchner Trough
2
Kerguelen
2
Prydz Bay
2
Weddell
2
Weddell Sea
2
Antarctic Ocean
1
Cape Fiske
1
Lazarev
1
Lazarev Sea
1
Makarov Basin
1
Maud Rise
1
Rus’
1
Southern Ocean
1
Yermak Plateau
1