The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

OLYMPIA Wash. (KPTV) - Sunday marked 45 years since the eruption of Mount Saint Helens. It was a powerful force of nature, ...

MOUNT ST. HELENS, WA - OCTOBER 19: Cars travel away from the Coldwater Ridge visitors center on State Road 504 with Mt. St.