The May 18, 1980, eruption of Mount St. Helens killed 57 people, according to the USGS. Most people died from asphyxiation or trauma from pyroclastic flows, a mix of rocks, ash, and gas, the USGS ...

What started as an emergency fix following the 1980 eruption of Mount St. Helens is in need of a more permanent plan, and the U.S. Forest Service is asking for public input on how they should approach ...

May 18 marks the 45th anniversary of the catastrophic eruption of Mount St. Helens in southwestern Washington. The blast in 1980 killed dozens of people and reshaped the volcanic peak in the Cascade ...