On June 30, 1908, a catastrophic explosion rocked the skies over Eastern Siberia, releasing an energy equivalent to 10–15 megatons of TNT. Known as the Tunguska event, this mysterious occurrence ...
The Why Files on MSN
80 million trees gone - no crater ever found
On June 30, 1908, a 15-megaton explosion flattened 80 million trees across 800 square miles of Siberia, with shockwaves felt ...
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