Geographic location
Deryugin
77
Greenland
62
Zelentsy
40
Chukchi Sea
25
Scotia Sea
24
Norwegian Sea
22
Barents Sea
17
Arctic
13
Arctic Ocean
12
Sedov
5
Drake Passage
3
Mitra
3
Sovetskiy
3
Weddell
3
Weddell Sea
3
Burevestnik
2
Kara Sea
2
Vaygach
2
Antarctic
1
Antarctic Peninsula
1
Hudson
1
Hudson Bay
1
Kandalaksha
1
King George Island
1
Nerpa
1
Potter Cove
1
Rotunda
1