Matt Finn: Tunguska Mystery of 1908 | Thunderbolts

On the morning of June 30, 1908 in remote Siberia near the Stony Tunguska River, a blue-white fireball exploded with the force of a 10-to-15 megaton H-bomb. The explosion flattened 60 million trees and devastated 2,000 square kilometers. The shockwave knocked people off their feet and broke windows hundred’s of…