Geographic location
Antarctic
18
Pacific
18
The Antarctic
Wever
18
Drygalski
16
Reimer
16
Diablo
12
Kozlova
12
Hayes
10
New Zealand
8
Bellingshausen Basin
6
Canada
6
Kristensen
6
Ramsay
6
Urquhart
6
Antarctic Peninsula
4
Kerguelen
4
Margarita
4
O'Connor
4
Southern Ocean
4
Arctic
2
Bryant
2
Camp Bell
2
Conway
2
Craddock
2
Cupola
2
Indian
2
Izvestija
2
Josephine
2
Jura
2
Kennett
2
Kusunoki
2
Langseth
2
Macleod
2
Malm
2
Nagata
2
Perez
2
Popova
2
Pyramid
2
Scripps
2
Southeast Pacific Basin
2
The Arches
2
Udan
2
Weaver
2