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Published online 27 June 2007 | Nature | doi:10.1038/news070625-8

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Crater candidate spotted in Tunguska

Siberian lake could have been made by asteroid blast.

After nearly 100 years of searches, researchers have found what may be an impact crater made by the object that caused a huge blast over the remote Siberian area of Tunguska on 30 June 1908.

Others caution that the identification of the crater remains to be proved, but say it could be an important discovery and merits further study.

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