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The Tunguska Event – Top 10 Bizarre Disasters

The Tunguska Event

The Tunguska Event

On June 30, 1908, a huge explosion occurred near the Podkamennaya (Under Rock) Tunguska River in what is now Krasnoyarsk Krai of Russia. The airburst was most likely caused by a meteor or comet fragment about 20m (60ft) across. Although the meteor or comet is considered to have burst prior to hitting the surface, this event is still referred to as an impact event. The energy of the blast was estimated to be between 10 and 20 megatons of TNT, 1,000 times more powerful than the bomb dropped on Hiroshima, or equivalent to Castle Bravo, the most powerful nuclear bomb ever detonated by the US.

The Tunguska explosion felled an estimated 80 million trees over 2,150 square kilometers (830 sq mi). The devastation is still visible today in satellite images of the area.