For many, the word “eruption” brings to mind 1980 when Mount Saint Helens demonstrated that the Washington Cascades are one of the most volcanically active parts of the country. Mount Saint Helens, ...
“Volcanoes are now more closely monitored. We have a good chance now of determining when a volcano becomes restless,” says Don Swanson, a volcanologist reflecting on the lessons learned from the 1980 ...
NEAR MT. RAINIER, Wash. — The destructive flow of volcanic debris, mud, and water unleashed by the 1980 eruption of Mount St. Helens destroyed more than 200 homes. These “lahars,” as they're called, ...