Siberian Apocalypse (2006)

This astounding documentary delves into the mysteries of the Tunguska event one of the largest cosmic disasters in the history of civilisation At 715 am on 30th June 1908 a giant fireball as bright the sun exploded in the sky over Tunguska in central Siberia Its force was equivalent to twenty million tonnes of TNT and a thousand times greater than that of the atomic bomb dropped on Hiroshima in 1945 An estimated sixty million trees were felled over an area of over two thousand square kilometres an area over half the size of Rhode Island If the explosion had occurred over London or Paris hundreds of thousands of people would have been killed