Saturday marks the 44-year anniversary of Mount St. Helens' eruption in Washington. The blast on May 18, 1980, is the worst volcanic eruption in U.S. history, killing 57 people and spewing 520 million ...

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 ...

ST HELENS, Wash. — It may look a bit like it, but Mount St. Helens is not erupting Tuesday morning. The ash you can see blowing around the volcano is actually remnants of the infamous 1980 eruption.

Today marks the 44th anniversary of the cataclysmic eruption of Mount St. Helens. If you weren’t around in 1980, here is what happened: For generations, the picturesque, 9,677-foot peak was a ...

ST HELENS, Wash — Engineers who spent the days and years following the 1980 eruption of Mount St. Helens working on the recovery of the region, returned Tuesday to check in on some of their work.

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history. After more than two months of rumbling, Washington state's Mount St. Helens erupted ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

It was the deadliest volcano eruption in U.S. history, killing 57 people. KING 5 later produced a documentary of the historic event called, "The Mountain Erupts," showing what it was like in the hours ...

SKAMANIA COUNTY, Wash. — When the first earthquakes occurred on Mount St. Helens on March 16, 1980, I was working as a meteorologist for the U.S. Forest Service at the Northwest Avalanche Center.