Larsen C Rift (IMAGE) European Geosciences Union Caption Rift propagation along the Larsen C Ice Shelf. This rift, which led to the calving of an iceberg twice the size of Luxembourg last year, raised questions about the future stability of Larsen C Ice Shelf in a warming world. Credit British Antarctic Survey 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.