Geographic location
Arctic
1,219
Arctic Ocean
948
Keller
181
Antarctic
90
Weddell
39
Weddell Sea
39
Fairbanks
30
Atka
29
Neumayer
28
Lazarev
8
Lazarev Sea
8
Greenland
7
The Antarctic
5
Andreas
3
Olympus
3
Antarctic Ocean
2
Canada
2
Edith
2
Hanno
2
Klaus
2
Nils
2
Rime
2
Schaefer
2
Seitz
2
Denise
1
Elliott
1
Gunter
1
Marcon
1
Southern Ocean
1