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 ...

Sunday marks 45 years since Mount St. Helens erupted, casting clouds of black smoke and ash hundreds of miles into the Inland Empire. The eruption on May 18, 1980, claimed 57 lives and caused ...

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, located in Skamania County, Washington, is one of the most active volcanoes in the Cascade Range. Famous ...

When Mount St. Helens erupted on May 18, 1980, it caused enormous devastation. The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to ...

VANCOUVER, Wash. – Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz ...

Mount St. Helens looked like it might be erupting again. Commercial pilots flying in the area Tuesday reported clouds of fine volcanic ash rising into the air above the collapsed dome of the Cascades’ ...

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 ...

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, ...