Geographic location
Arctic
50
Arctic Ocean
15
Southern Ocean
13
Antarctic
11
Greenland
10
The Antarctic
6
Drake Passage
5
Pacific
5
Hudson
3
Tac
3
Andreas
2
East Antarctic Ice Sheet
2
Hudson Bay
2
Norwegian Sea
2
Reykjanes
2
West Antarctic Ice Sheet
2
Agulhas Basin
1
Alvarez
1
Fairbanks
1
Hudson Strait
1
Indian
1
Judd
1
Rosenthal
1
Stepanova
1
Svalbard
1
Vinje
1
Weddell
1
Weddell Sea
1
Yermak Plateau
1