Video: Gigantic New York-sized iceberg to crack, split from Antarctica
Environmental experts were left in shock when they realized that a block of ice as big as New York metropolis is likely to split apart from Antarctica. If this happens, it will be world’s largest iceberg, say scientists, and the consequences can be catastrophic (scroll down for video and photos).
The crack in Pine Island Glacier’s ice has a length of 30.5 kilometers, but even more worrying is the fact that it expands by about 1.6 km per month. If the piece of ice will break off, then it will feature an area of about 906 square kilometers, which is an amazing size. The depth of the iceberg is impressive, having a thickness of 500 meters, of which only 48.7 meters above the surface. The rift is 78 meters wide along most of its length, but in some spots reaches a width of up to 240 meters. Its depth is 58,5 meters.
The crack was first noticed from a DC-8 plane during NASA’s Operation Ice Bridge in October 2011 and one month later Terra spacecraft took snapshots of Pine Island Glacier from above showing the evolution of the ice calving. This would be the first time scientists can see the birth of a large iceberg.
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Stunning crack in Antarctica glacier observed from NASA's Terra spacecraft in Novermber 2011
NASA's DC-8 flight reveals for first time the crack along Pine Island Glacier in October 2011
NASA keeps monitoring the crack which might lead to world's largest iceberg