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By Denise Chow, Staff Writer July 10, 2013 NatureEnvironment
Giant Iceberg Breaks Off Antarctic Glacier

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A massive iceberg, larger than the city of Chicago, broke off of Antarctica’s Pine Island Glacier on Monday (July 8), and is now floating freely in the Amundsen Sea, according to a team of German scientists.

The newborn iceberg measures about 278 square miles (720 square kilometers), and was seen by TerraSAR-X, an earth-observing satellite operated by the German Space Agency (DLR). Scientists with NASA‘s Operation IceBridgefirst discovered a giant crack in the Pine Island Glacier in October 2011, as they were flying over and surveying the sprawling ice sheet.

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