Geographic location
Deryugin
77
Greenland
67
Zelentsy
40
Scotia Sea
34
Chukchi Sea
31
Norwegian Sea
30
Barents Sea
25
Arctic
16
Arctic Ocean
16
Sedov
5
Weddell
5
Weddell Sea
5
Drake Passage
3
Kara Sea
3
Mitra
3
Sovetskiy
3
Antarctic
2
Burevestnik
2
Hudson
2
Hudson Bay
2
Pacific
2
Southern Ocean
2
Vaygach
2
Antarctic Peninsula
1
Indian
1
Kandalaksha
1
King George Island
1
Nerpa
1
Newfoundland
1
Orion
1
Potter Cove
1
The Antarctic
1