Not since 1962 has Arctic ice this giant broken free and floated away, but that’s just what has occurred in Greenland Thursday.

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The massive ice sheet is over 100 square miles which in comparison outsizes Manhattan four times over.

Breaking free of the Petermann Glacier in Northern Greenland, the once connected Ice Shelf has now converted itself in to a humungous floating ice island. The chilly discovery is credited to Trudy Wohlleben of the Canadian Ice Service.