Cracks continue to spread on the Antarctic ice shelf where a trillion-ton iceberg roughly the size of Delaware broke free in July, scientists say. If these new cracks manage to shake loose key, stabilizing parts of the ice shelf, it’s possible that the ice shelf could collapse. That could speed the flow of Antarctic ice to the sea and cause sea levels to rise.
On July 12th, 2017, a deep fissure cleaved a 2,500-square-mile iceberg off of the Larsen-C ice shelf in Antarctica. Satellite images show the iceberg has drifted about three miles since it broke free, and smaller ice chunks have crumbled from both the ice shelf and the iceberg. Now, scientists Anna Hogg at the University of Leeds and Hilmar Gudmundsson from the British Antarctic...
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