Geographic location
Antarctic
13
Indian
The Antarctic
Pacific
7
Chile Trench
3
Menzies
3
Antarctic Ocean
2
Anvers
2
Anvers Island
2
Bergen
2
Cumberland Bay
2
Hale
2
Herdman
2
Hodgson
2
Kerguelen
2
Kerguelen Island
2
Leopold
2
Norway
2
Seta
2
Southern Ocean
2
Weddell
2
Weddell Sea
2
Greenland
1
Nils
1
Rockall Trough
1
San Juan
1
Scripps
1