Geographic location
Weddell
15
Weddell Sea
15
Lazarev
11
Lazarev Sea
11
Greenland
6
Amundsen Sea
5
Brutto
5
Filchner Trough
5
Morris Jesup Rise
5
Yermak Plateau
4
Maud Rise
3
Agulhas Basin
2
Arctic
2
Arctic Ocean
2
Lyddan Island
2
Scoresby
2
Scoresby Sund
2
Sund
2
Antarctic
1
Barents Sea
1
Gakkel Ridge
1
Shona Ridge
1
Svalbard
1
The Antarctic
1