1000 times more powerful than Hiroshima: What really happened in Tunguska in 1908 | World News
A tremendous explosion rocked the Tunguska region in Siberia in the early morning hours of June 30, 1908. The Tunguska explosion is the largest cosmic explosion experienced by humanity and resulted in all of the trees in an area of approximately 2,150 square kilometres being flattened by a blast wave of force similar to a…