Geographic location
Weddell
28
Weddell Sea
26
Antarctic
19
The Antarctic
16
Bouvet
8
Bouvet Island
8
Southern Ocean
8
Scotia Sea
7
Drake Passage
6
Lazarev
5
Lazarev Sea
5
Austral
2
Indian
2
Agulhas Basin
1
Antarctic Peninsula
1
Biscoe
1
Greenland
1
Jelbart Ice Shelf
1
Klaus
1
Langmuir
1
Maud Rise
1
Mid-Atlantic Ridge
1
Neumayer
1
Orcadas
1
Pacific
1
Spiess Seamount
1