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 ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history.

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

As we approach the 45th anniversary of the catastrophic 1980 Mount St. Helens eruption in Washington ... Shasta is in the Cascade Range in Northern California, about 40 miles south of the Oregon ...

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

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.

Michael Lienau, part of the first film crew documenting the aftermath of the Mount St. Helens, said the experience was a ...

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

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 ...