Geographic location
Pacific
538
Antarctic
58
Arctic
43
Toledo
32
Indian
26
Southern Ocean
20
Orion
16
McCormick
15
The Antarctic
15
Arctic Ocean
14
Antarctic Peninsula
12
Hofmann
11
Svalbard
11
Hurd
10
Rus’
10
Sven
10
Cornwall
9
Austral
8
Diaz
8
DuBois
8
Duarte
8
Helgoland
7
Thomsen
7
Chivers
6
Collard
6
Findlay
6
Kongsfjord
6
Laurie
6
Magnetic Island
6
McClintock
6
Bering Sea
5
Lamarck
5
Laure
5
Nacella
5
Fang
4
Hayes
4
Heron Island
4
Marian
4
New Zealand
4
O'Connor
4
Wiencke
4
Williamson
4
Alicia
3
Avery
3
Canada
3
Charybdis
3
Coulter
3
East Antarctica
3
Elliot
3
Greenland
3
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