Geographic location
Antarctic
12
Pacific
12
The Antarctic
5
Greenland
4
Southern Ocean
4
Mid-Atlantic Ridge
3
Baffin Island
2
Faroe Islands
2
Indian
2
Patagonia
2
Pena
2
Rosenthal
2
Alegre
1
Antarctic Peninsula
1
Arctic
1
Argentine
1
Fid
1
Hess
1
Makkovik
1
Nain
1
New Zealand
1
Norway
1
Nunavut
1
Peine
1
Queensland
1
Ross Island
1
Western Basin
1