Antarctica

South pole

Ross ice shelf

Thwaites glacier

1,000 km

Antarctic circle

1,000 miles

South

America

Antarctica

South pole

Thwaites

glacier

Ross ice shelf

1,000 km

Antarctic circle

1,000 miles

South

America

Antarctica

South pole

Thwaites glacier

Ross ice shelf

Pacific

Ocean

1,000 km

Antarctic circle

1,000 miles