On June 30 1908, an incredible explosion took place in the Siberian region of the Russian Empire. The explosion is estimated to have been 1000 times more powerful than the Atomic bomb dropped on Hiroshima. What was it?
Answer: The explosion of a meteoroid or comet fragment, estimated to have taken place about three to six miles above the Earth’s surface. The occurrence is widely known as the Tunguska event, and is considered the most powerful explosion in recorded human history.
Source: The Oxford Companion to Global Change by David Cuff
