Geographic location
Antarctic
136
Sandwich Islands
121
South Sandwich Islands
121
Pacific
112
Balleny Islands
35
Indian
24
Scotia Sea
12
Bouvet
11
Bouvet Island
11
Drake Passage
8
Jan Mayen
7
Svalbard
7
Greenland
6
Severnaya Zemlya
5
South Georgia Island
5
South Shetland Islands
5
Franz Josef Land
3
Norwegian Sea
3
Bering Sea
2
Canada
2
Baffin Bay
1
Kamchatka Peninsula
1