Tunguska event is the name for a very large mid-air explosion that occurred on 30 June 1908 in Siberia. Most eyewitnesses talk about one or more explosions that happened around 7:15 a.m. local time. The cause of these explosions is unknown, but a meteorite impact has been suggested as a likely cause. About around the place where the event happened, trees were uprooted. In Wanwara, a small settlement, about away, windows and doors were smashed. It is estimated, that in an area of about , the trees were uprooted. Over away, bright light was seen, and an earthquake was felt.