Geographic location
Arctic
154
Arctic Ocean
Central Basin
15
Damocles
12
Longyearbyen
8
Tromsø
7
Breaker
6
Antarctic
2
Barents Sea
2
Bering Sea
2
Hatton-Rockall Basin
2
Hovgaard
2
Kara Sea
2
Rockall Trough
2
St. Anna Trough
2
East Siberian Sea
1
Gakkel Ridge
1
Greenland
1
Laptev Sea
1
Luisa
1
North Pole
1
Norway
1
Sigrid
1