Subglacial Lakes (IMAGE) University of Washington Caption The ice surface above the lakes sank by as much as 20 meters (66 feet) in less than a year due to the drainage. Subglacial lakes are commonly seen with fast-flowing glaciers. Credit Ben Smith/University of Washington Usage Restrictions With credit 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.