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Larsen C [ edit source ] 2016 rift in Larsen C, wide view Glacier–ice shelf interactions. As of July 2017 [update] , Larsen C is the fourth largest ice shelf in Antarctica, with an area of about 44,200 km 2 (17,100 sq mi). [18] Satellite radar altimeter measurements show that between 1992 and 2001 the Larsen Ice Shelf lowered by up to 0.27 ± 0.11 meters per year. [19]  In 2004, a report concluded that although the remaining Larsen C region appeared to be relatively stable, [20] continued warming could lead to its breakup within the following decade. [21] The breakaway process had begun by mid-2016. [22] [23] On 10 November 2016 scientists photographed the growing rift running along the Larsen C ice shelf, [24] showing it running about 110 kilometres (68 mi) long with a width of more than 91 m (299 ft), and a depth of 500 m (1,600 ft). By December 2016, the rift had extended another 21 km (13 mi) to t...