Gigantic iceberg breaks off from Antarctic glacier

NASA Earth Observatory

Gigantic iceberg breaks off from Antarctic glacier
(Image credit: NASA Earth Observatory)

An iceberg six times the size of Manhattan is on the loose after breaking off of an Antarctic glacier.

The B31 iceberg covers close to 255 square miles and is up to one-third of a mile thick, making it one of the largest currently in existence, Reuters reports. It broke free from the Pine Island Glacier last November, according to NASA glaciologist Kelly Brunt.

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Catherine Garcia, The Week US

Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.