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

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

To commemorate the anniversary of Mount St. Helens' eruption, here's a series of photos that captured the immense devastation it caused 45 years ago. Years earlier, scientists predicted Mount St ...

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

Michael Cairns flew a National Guard helicopter on a rescue and recovery mission to Mount St. Helens. His book, "Under the ...

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

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.

That's the day that Mount St. Helens erupted ... His book is called "Under the Ash," and the photos tell a harrowing story of the eruption's aftermath. Within a few days, Cairns' mission went ...