Geographic location
Barents Sea
1,819
Norwegian Sea
1,727
Greenland
171
White Sea
125
Deryugin
122
Zelentsy
72
Kara Sea
64
Arctic
33
Arctic Ocean
33
Mitra
13
Sedov
11
Medusa
6
Vaygach
6
Sovetskiy
5
Burevestnik
4
Laptev Sea
3
Aranda
2
Freya
2
Gibba
2
Lofoten
2
Nerpa
2
Ermak
1
Hertha
1
Italica
1
Kandalaksha
1
Nikolay
1
Ornen
1
Rotunda
1
Sleipner
1