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Mount St. Helens 40th Anniversary

Forty years ago, on May 18th, 1980, Mount St. Helens produced the largest observed eruption in the coterminus United States. This eruption had profound impacts on human life and the science of volcanology, as well as on hazard preparedness, communication, and forecasting.



Spotlight Video: Interview with Tina Neal

Mount St. Helens - May 18th, 1980