Rifts in Pine Island Glacier (IMAGE) University of Texas at Austin Caption These are rifts along the northern shear margin of Pine Island Glacier (upper right). Credit Michael Studinger, NASA's Operation IceBridge. 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.