Geographic location
Antarctic
Southern Ocean
4,262
Gardner
92
Psi
50
The Antarctic
6
Pacific
4
Austral
3
Antarctic Peninsula
2
Indian
2
Shackleton
2
Weddell
2
Alvarez
1
Antarctic Ocean
1
Arctic
1
Bransfield Strait
1
Dolores
1
Gerlache
1
Gerlache Strait
1
Mid-Atlantic Ridge
1
Pablo
1
Ricardo
1
Romero
1
Ross Sea
1
Varela
1