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 ...

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.

Salem Towne, a pilot from Poulsbo, is finally releasing photos he took 45 years ago - moments after Mt. St. Helens erupted.

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

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

Flashback: After months of blowing off steam, the mountain erupted at 8:32am, killing 57 people, blotting out the sun across ...

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.

Michael Cairns flew a National Guard helicopter on a rescue and recovery mission to Mount St. Helens. His book, "Under the Ash," recounts it all 45 years later.

A towering plume of ash rises in the distance of the photo, swirling with menace and threat, lightning arcing within it. As ...

"I hiked St. Helens the first time when I was 9 years old," he said ... Her favorite Mount St. Helens photo, to her disappointment, wasn't there. She remembers how the sky was so blue and ...