Geographic location
Amundsen Sea
7
Antarctic
Byrd
7
Byrd Subglacial Basin
Marie Byrd Land
7
West Antarctica
6
Ellsworth Land
5
Pine Island Glacier
5
Thwaites Glacier
5
West Antarctic Ice Sheet
5
Bellingshausen Sea
2
Bentley Subglacial Trench
2
Island Bay
2
Pacific
2
Pine Island Bay
2
Pine Island Trough
2
Tilting
2
Arctic
1