Geographic location
Antarctic
9
Pacific
5
Byrd
4
Marie Byrd Land
4
New Zealand
4
Thurston
4
Thurston Island
4
West Antarctica
4
Amundsen Sea
3
Bounty Trough
3
Bellingshausen Sea
2
Campbell Plateau
2
The Antarctic
2
West Antarctic Ice Sheet
2
Arctic
1
Arctic Ocean
1
Charcot
1
Ellsworth Land
1
Indian
1
Island Bay
1
Peter I Island
1
Pine Island Bay
1