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

According to the USGS, Mount St. Helens is the most active volcano in the lower 48 states and the most likely in the Cascades to erupt again.

Mount St. Helens stood silent for over a century in Washington’s Cascade Range, but that all changed 45 years ago Sunday when ...

Mount St. Helens, the largest volcanic eruption in US history, was commemorated this weekend, 45 years after its eruption, ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes.

Residents of the Tri-Cities area reflected on the 45th anniversary of the Mount St. Helens eruption, a day that claimed 57 ...

Color photos shot in 1980 from the cockpit of a Cessna 150 reveal the magnitude of Mount St. Helens' ash and destruction amid volcano's eruption.

We asked for your memories of the Mount St. Helens eruption on May 18, 1980, and you delivered. Here's what you had to say.

Visitors gathered at Mount St. Helens to mark the 45th anniversary of the 1980 eruption. WASHINGTON, USA — Despite the clouds ...

Donald Brown is the Lead Scientist for Mount St. Helens with the U.S. Forest Service, and 45 years after the eruption, there are still a few species that have not returned, including Western redback ...

A group of retired US Army Corps of Engineers members reunited at the Sediment Retention Structure just three days after the 45th anniversary of the Mount St. Helens eruption.

ST HELENS, Wash. — When Mount St. Helens erupted in 1980, hundreds of square miles surrounding the volcano were flattened. Scientists describe the destruction as “moonscaped,” and at the ...