Footage of the 1980 Mount St. Helens Eruption

The Largest Eruption in American History | How the Earth Was Made (S2, E10) | Full Episode

Minute by Minute: The Eruption of Mount St. Helens

Flying Over Mount St. Helens: 1980 Volcanic Eruption Explained

Mount St. Helens: How the Worst Volcanic Eruption in US History Unfolded

St. Helens: Out of the Ash | Documentary | KSPS PBS

Scientists Are Giving LAST WARNING As Mount St. Helens Is On The Brink of Eruption After 44 Years!