The volcano has not been active for years 9400-9500 until May 2, 2008 not to launch a major eruption, the eruption is about 30 km in altitude. May 6 lava reached the village, 50 km radius were evacuated the whole population. June 22, 2008 again increased activity of the volcano and ash emissions occur periodically to the present. February 16, 2009 after a new eruption of lava stopped a few kilometers from Chaiten, whose population, except for 25 people, it was again evacuated. As lava reached and the Argentine province of Chubut.
The eruption also caused the change the channel of several rivers, exposing Chaiten town also the threat of flooding. There are plans to transfer the settlement to another place and turn it into a tourist zone.