Geographic location
Gakkel Ridge
Arctic
139
Arctic Ocean
137
Amundsen Basin
37
Makarov Basin
26
Morris Jesup Rise
25
Barents Sea
18
Laptev Sea
10
Greenland
5
Langseth
5
Svalbard
5
Taymyr
5
Yermak Plateau
5
Antarctic
3
North Pole
3
Antarctic Ocean
2
East Siberian Sea
2
Kara Sea
2
Norway
2
Pacific
2
Tromsø
2
Breaker
1
Canada
1
Damocles
1
Franz Josef Land
1
Jassa
1
Mid-Atlantic Ridge
1
Rus’
1
St. Anna Trough
1