COLD CASE: Breakup of Pine Island Glacier (VIDEO) Ohio State University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption In 2015, a 225-square-mile iceberg broke off of the Pine Island Glacier in Antarctica, and researchers at The Ohio State University have discovered that the event was no ordinary breakup. The culprit: a deep subsurface rift that cracked through the ice nearly 20 miles inland -- a sign that the largest ice reserve in the world may be melting sooner rather than later. Credit Series of Sentinel-1A satellite images courtesy of Seongsu Jeong, The Ohio State University. 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.