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

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

Stunning, historic front-page coverage from The Oregonian reporters Les Zaitz and Steve Jenning reports the confusion and ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano ...

Jessica Ball with the California Volcano Observatory joined the show to discuss the Mt. St. Helens eruption 45 years ago and ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...

57 people died in the eruption, but the disaster gave scientists a way to develop monitoring tools, improving their ability ...

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.

It's been 45 years since the Mount St. Helens eruption in Washington state. British Columbians who were young adults at the ...

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

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

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