Topographic map of Greenland
Something creating a 19-mile wide dent in the Earth’s surface would clearly have been a major strike. If confirmed it would be the most northerly impact crater on Earth.
What looks to be a large impact crater has been identified beneath the Greenland ice sheet, reports BBC News.
The 31km-wide depression came to light when scientists examined radar images of the island’s bedrock.
Investigations suggest the feature was probably dug out by a 1.5km-wide iron asteroid sometime between about 12,000 and three million years ago.
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Utopia, you are standing in it! 
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