Geographic location
Pacific
653
Arctic
147
Arctic Ocean
101
Okhotsk
68
Antarctic
67
Indian
34
Toledo
30
Svalbard
28
Southern Ocean
22
Orion
20
The Antarctic
17
McCormick
15
Sven
15
Antarctic Peninsula
13
Austral
12
Duarte
12
Hofmann
12
Hurd
11
Rus’
11
Cornwall
10
DuBois
9
Greenland
9
Helgoland
9
Diaz
8
Heron Island
8
Bergen
7
Collard
7
Kongsfjord
7
Laurie
7
McClintock
7
Thomsen
7
Chivers
6
Findlay
6
Magnetic Island
6
Norway
6
Yoyo
6
Coulter
5
Lamarck
5
Laure
5
Nacella
5
New Zealand
5
O'Connor
5
Silvia
5
Andreas
4
Bering Sea
4
Canada
4
Fang
4
Hayes
4
Marian
4
Wiencke
4
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