Geographic location
Weddell
15
Weddell Sea
15
Lazarev
11
Lazarev Sea
11
Greenland
7
Amundsen Sea
6
Brutto
6
Filchner Trough
5
Morris Jesup Rise
5
Yermak Plateau
4
Agulhas Basin
3
Maud Rise
3
Arctic
2
Arctic Ocean
2
Lyddan Island
2
Scoresby
2
Scoresby Sund
2
Shona Ridge
2
Sund
2
Antarctic
1
Barents Sea
1
Gakkel Ridge
1
Norwegian Sea
1
Svalbard
1
The Antarctic
1