Geographic location
Antarctic
69
The Antarctic
51
Kerguelen
39
Southern Ocean
30
Kerguelen Islands
22
Indian
16
East Antarctica
12
Prydz Bay
7
Shackleton
6
Vincennes Bay
6
Arctic
4
Australian Antarctic Basin
3
Australian-Antarctic Basin
3
Elan Bank
3
Fawn Trough
3
Heard Island
3
Pacific
3
Canada
2
Conrad Rise
2
Greenland
1
Harcourt
1
McIntyre
1
McMahon
1
Norway
1
Pew
1
Weddell
1