Geographic location
Arctic
54
Southern Ocean
28
Antarctic
27
Greenland
17
Indian
12
The Antarctic
8
Custodio
6
Young Island
6
Sund
5
Antarctic Peninsula
4
Dronning Maud Land
4
East Antarctica
4
Gorodetskaya
4
Mid-Atlantic Ridge
4
Orleans
4
Pacific
4
Brune
3
Young Sund
3
Alvarez
2
Asar
2
Austral
2
Barents Sea
2
Bellingshausen Sea
2
Bering Sea
2
Bowers
2
Byrd
2
Kerguelen
2
Lofoten
2
Lower Lake
2
Marie Byrd Land
2
Newfoundland
2
Nordeste
2
Norway
2
Rodriguez
2
Ross Ice Shelf
2
Svalbard
2
Svalbard Archipelago
2
Umnak Plateau
2
Weddell
2
Weddell Sea
2
Wilkes Land
2
Wilkins
2