Geographic location
Antarctic
240
The Antarctic
Southern Ocean
218
Austral
200
Jenny
109
Pina
65
Gorodetskaya
24
Pacific
15
Steen
14
Meredith
13
Arctic
12
Lopez
8
Antarctic Peninsula
7
Bouvet
7
Indian
7
Mertz Glacier
7
Hakala
6
Hooker
6
Jokinen
6
Arrowsmith
5
Boyer
5
Canada
5
Balleny Islands
4
Hernandez
4
Sandwich Islands
4
Scripps
4
Silvia
4
South Sandwich Islands
4
Andreas
3
Balch
3
Baranova
3
Barrett
3
Conway
3
Holte
3
Kerguelen
3
Kristensen
3
Mackenzie River
3
Mueller
3
Myklestad
3
Roland
3
Sherrell
3
Skarstad
3
Sullivan
3
Aitken
2
Archibald
2
Baxter
2
Bunt
2
Candlemas Islands
2
Cowley
2
Drake Passage
2
more ...