The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, massive landslides on the north side of the mountain began, as a massive bulge a half-mile wide crept six feet a day up the mountainside.

It's been 45 years since the Mount St. Helens eruption in Washington state. British Columbians who were young adults at the time remember how the sky changed as the volcanic ash arrived.