Glacier Time Lapse (IMAGE) Hokkaido University Caption After breaking off from the main glacier mass, a previously submerged section of the ice was revealed, allowing researchers a unique opportunity to see the geometry of the underwater ice directly. These photos were provided to researchers by local tourist guide Tadeo Sotomayor, who witnessed the event. Credit S. Sugiyama, et al., Underwater Ice Terrace Observed at the Front of Glaciar Grey, a Freshwater Calving Glacier in Patagonia, Geophysical Research Letters, February 12, 2019 Usage Restrictions This image is copyrighted and can be used for reporting this press release if properly credited. 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.