Antarctica's Larsen-C Ice Shelf has Calved Off the World's Third Largest Iceberg

A Delaware-sized portion of Antarctica's forth-largest ice shelf calved off, sometime between July 10th and 12th, following the rapid propagation of a 127 kilometer (79 mile) long crack running through the sheet. The resulting iceberg is over 200 meters (656 feet) thick, and covers roughly 6,000 square kilometers (Delaware itself is only 5,130 square kilometers (1,982 square miles). This will likely place it as the third-largest known iceberg in modern history.

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