The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to large changes in how the US monitors and prepares for eruptions. On May 18, ...

Mount St. Helens in Washington State was once the "Mount Fuji of America"—admired for its symmetrical cone shape similar to Japan's highest peak. It was a popular Pacific Northwest destination, ...

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 ...

Last month, Columbian Editor Craig Brown used the anniversary of our nation’s most memorable geological event to point out how the news industry has changed. “Should a major eruption occur, we’d press ...

Forty years ago, a volcano in the Cascade Mountains in Washington roared, expelling plumes of ash and killing 57 people in the most destructive eruption in modern US history. See 50 photos from the ...