Geographic location
Antarctic
6
Arctic
6
Argentina
6
Baja
6
Blindheim
6
British Columbia
6
Bylot Island
Canada
6
Chavez
6
East Antarctica
EspĂritu Santo
6
Helgoland
6
Indian
6
Nunavut
6
Oldenburg
6
Pacific
6
Patagonia
6
Plateau Central
6
Possession Island
6
Reeve Hill
6
San Juan
6
Southern Ocean
6
Svalbard
6
Weddell
6
Weddell Sea
6
Norway
5
Arctic Ocean
2
Alte
1
Untersee
1