Nobody could have expected Mt. St. Helens to explode in the fashion that it did in the Spring of 1980 - although scientific analysis and research certainly pointed in that direction. This radio clip was taken on the first news hour after the explosion which was heard in Victoria B.C. as a series of loud thuds, booms accompanied by window rattles. The devastation at the site and fall-out to the Northeast and in central Washington state would prove to be problematic - and despite the tragic loss of life, this event helped us better understand the nature of semi dormant volcanos in the region.
Bonus Track - Here is a sample of some 80 meter ham traffic within 1 hour of the initial series of blasts.