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Tunguska event

The Tunguska event was an explosion that occurred at 60 degrees 55'N 101degrees 57'E, near the Podkamennaya (Under Rock) Tunguska River, in what is now Evenk Autonomous Okrug, at 7:17 AM on June 30, 1908.

Note:   The above text is excerpted from the Wikipedia article "Tunguska event", which has been released under the GNU Free Documentation License.
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