The Tunguska Event
The largest explosion ever
recorded occurred in the year 1908. It was known as the Tunguska event.
Sometime early in the morning on June 30th an explosion took place.
No one to this day knows what it was exactly, but it was believed to be a comet
or meteoroid. This explosion was found near the Tunguska River in Russia. Many
scientists have studied this explosion and it appeared to have exploded before
impact of the surface of the earth. Because it did not hit the earth before it
exploded there was no crater and there have not been any fragments of the
crater or meteor found either. The explosion was so great that it could be
measured to be the same as 15 megatons of TNT. The explosion covered 500,000
acres and catching 100 square kilometers of forest to flame. Lake Cheko, which
is about 5 miles from the point where the crater was thought to be, was later
discovered to be the crater.
Sources:
http://www.britannica.com/EBchecked/topic/609132/Tunguska-event
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