We notice you are using an outdated version of Internet Explorer.
It is classified as an impact event , even though no impact crater has been found; the object is thought to have disintegrated at an altitude of 5 to 10 kilometres 3 to 6 miles rather than to have hit the surface of the Earth. The Tunguska event is the largest impact event on Earth in recorded history. Studies have yielded different estimates of the meteoroid's size, on the order of 60 to metres to feet , depending on whether the body was a comet or a denser asteroid. Since the event, there have been an estimated 1, scholarly papers most in Russian published on the Tunguska explosion. In , a team of researchers published analysis results of micro-samples from a peat bog near the center of the affected area showing fragments that may be of meteoritic origin.
