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 ...

In May 1980, Boyd Levet was KGW's reporter assigned to Mount St. Helens from the first earthquake, through the eruption and well into the recovery phase.

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 ...