Mount St. Helens, which cataclysmically erupted in May 1980, ranked as second most hazardous before Mount Rainier in third ...
Nearly 45 years after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, ...
Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...
When Mount St. Helens in Washington erupted nearly 45 years ago, it killed 57 people, destroyed hundreds of homes, spread ash to at least 10 other states and blasted a wide, horseshoe-shaped ...