Add Yahoo as a preferred source to see more of our stories on Google. May 18 marks the 45th anniversary of the catastrophic eruption of Mount St. Helens in southwestern Washington. The blast in 1980 ...

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor volcanic activity.

Government scientists confirmed Mount St. Helens is not erupting despite recent concerns. Commercial pilots reported seeing what they believed to be ash near the volcano. Strong winds are lifting old ...

EUGENE, Ore. - The office of the state geologist inPortland overlooks two colossal mountains, each of them a staple of Northwest geography. More important than their aesthetics, however, is what lies ...

VANCOUVER, Wash. (KPTV/Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological Survey. It’s ...

It’s been 45 years since an eruption occurred on the U.S. mainland. The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce ...

SKAMANIA COUNTY, Wash. (KPTV) - Mount St. Helens continues to experience increased earthquake activity, according to a Friday update from the Cascades Volcano Observatory. Mount St. Helens has ...

On May 18, 1980, Mount St. Helens erupted and claimed the lives of 57 people. Here is everything you need to know 46 years ...

Mount St. Helens has been stirring as of late, showing increased signs of seismic activity over the last few months, according to the U.S. Geological Survey. The volcano has experienced 368 ...