Latest Issue of Science News


News

Tunguska, a century later

Asteroid or comet blamed for Siberian blast of 1908

By
10:05am, June 5, 2008

Early on the morning of June 30, 1908, a massive explosion shook central Siberia. Witnesses told of a fireball that streaked in from the southeast and then detonated in the sky above the desolate, forested region. At the nearest trading post, about 70 kilometers away from the blast, people were reportedly knocked from their feet. Seismic instruments in the area registered ground motions equivalent to those of a magnitude-5 earthquake.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News