Geographic location
Southern Ocean
Antarctic
4,972
Gardner
58
The Antarctic
11
Ross Sea
7
Drake Passage
6
Amundsen Sea
5
Pacific
5
Austral
4
Arctic
3
Bellingshausen Sea
3
Indian
3
Island Bay
3
Pine Island Bay
3
Weddell
3
Weddell Sea
3
Asar
2
Pine Island Glacier
2
Burdwood Bank
1
Cape Horn
1
Getz
1
Gramberg
1
McIntyre
1
Nautilus
1