Thwaites Glacier (IMAGE) Rutgers University Caption Ice loss from the Thwaites Glacier in the Amundsen Sea Embayment, West Antarctica, has doubled since the 1990s. The glacier appears to be collapsing due to marine ice-sheet instability. Credit NASA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.