UK Telegraph reports that an ice island four times the size of Manhattan has broken off from one of Greenland's two main glaciers in the biggest such event in the Arctic in nearly 50 years.
The flow of seawater below the glaciers is one of the main causes of ice calvings off Greenland
The Nares Strait, about 620 miles south of the North Pole and between Greenland and Canada
The new ice island, which broke off on Thursday, will enter a remote place called the Nares Strait, about 620 miles south of the North Pole between Greenland and Canada.
The ice island has an area of 100 square miles and a thickness of up to half the height of the Empire State Building, said Andreas Muenchow, professor of ocean science and engineering at the University of Delaware.
Mr Muenchow said he had expected an ice chunk to break off from the Petermann Glacier, one of the two largest remaining ones in Greenland, because it had been growing in size for seven or eight years. But he did not expect it to be so large.
"The freshwater stored in this ice island could keep the Delaware or Hudson Rivers flowing for more than two years," said Mr Muenchow
"It could also keep all US public tap water flowing for 120 days."
He said it was hard to judge whether the event occurred due to global warming because records on the seawater around the glacier have only been kept since 2003.
Full story
This so-called huge ice island is a shrimp compared to this one.
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