Geographic location
Southern Ocean
37
Weddell
36
Weddell Sea
35
Pacific
23
Scotia Sea
18
Antarctic
16
Drake Passage
14
Indian
14
Arctic
10
Lazarev
10
Lazarev Sea
10
The Antarctic
8
Riiser-Larsen
4
Riiser-Larsen Sea
4
Austral
3
Astrid Ridge
2
Bouvet
2
Charcot
2
Oca Balda
2
Weddell Basin
2
Andreas
1
Argentina
1
Argentine
1
Balch
1
Bates
1
Cumberland Bay
1
East Antarctica
1
Ewing
1
Filla Island
1
Greenwich
1
Hoek
1
Langmuir
1
Lynch
1
Maurice
1
Meteor Seamount
1
Mid-Atlantic Ridge
1
Nils
1
Orcadas
1
Rauer Group
1
Southeast Indian Ridge
1
Sunda
1
Triton
1
Uruguay
1
Willems
1