A crack in Petermann Ice Shelf (IMAGE) Stockholm University Caption A crack in Petermann Ice Shelf observed by an international team of scientists during the Oden expedition in 2019. These cracks can eventually grow across the entire ice shelf, leading to the release of large icebergs to the ocean and potentially breakup of the ice shelf. Photo: Martin Jakobsson Credit Photo: Martin Jakobsson Usage Restrictions CC BY-NC-ND Creative Commons Attribution-NonCommercial-NoDerivatives International license. You are free to share the material. Attribution is required. You may not use the material for commercial purposes. You cannot distribute any derivative works or adaptations of the original work. Further details are available at https://creativecommons.org/licenses/by-nc-nd/4.0/. License Original 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.