Surviving Disaster - Season 1 Episode 2 Eruption at Mount St Helens
6.70 60 minutes Eruption at Mount St Helens. Rising almost 10,000 feet over Washington State, the volcano had not erupted for more than 100 years until May 1980, when its unexpected explosion unleashed a destructive force estimated to be 500 times the power of the Hiroshima atomic bomb.
