Geographic location
Arctic
32
Arctic Ocean
24
Astrid Ridge
1
Barents Sea
8
Bellingshausen Sea
1
Damm
2
Drake Passage
2
Gakkel Ridge
1
Greenland
21
Indian
3
Laptev Sea
2
Lazarev
14
Lazarev Sea
14
Maud Rise
1
Neumayer
2
Neumayer Station
1
Norwegian Sea
9
Prydz Bay
1
Riiser-Larsen
2
Riiser-Larsen Sea
2
Riley
1
Southern Ocean
1
Torge Plateau
1
Water Sound
1
Weddell
3
Weddell Sea
3
Yoyo
1