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Unsolved Explosion at Tunguska #mystery #history #facts
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The Tunguska event occurred on June 30, 1908, when a massive explosion flattened about 800 square miles of forest in Siberia, near the Tunguska River. The explosion, equivalent to 10-15 megatons of TNT, remains one of the most powerful impact events in recorded history, yet no impact crater was found.
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