Mount St. Helens in Washington State began erupting with a series of steam-driven blasts. These intensified over weeks, leading to a massive eruption on May 18 at 8:32 a.m. Rated a 5 on the Volcanic ...

Inside the Yakima Valley Museum sits an exhibit, dedicated to Mount St. Helens and the historic eruption that occurred on May 18, 1980.

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

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

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 ...

Mount St. Helens erupted 45 years ago, causing the deadliest volcanic disaster in U.S. history. Rubio says intel community is ...

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

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