Video: 'Photographing a Catastrophic Explosion at Mt. St. Helens'
(Sunday, May 18, 1980, 8:32:17 a.m. PDT; during the 1980 eruption of Mount St. Helens) — The Mount St. Helens volcano in southwestern Washington state exploded this morning, blowing the top off the mountain and killing 57 people. Continue reading Mount St. Helens explodes, 57 people die 40 years ago this hour #OnThisDay #OTD (May 18 1980)