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.

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

Michael Cairns witnessed the volcano eruption from the cockpit of a National Guard helicopter when he flew on a rescue and recovery mission.

The volcano Mount St. Helens erupted on this day in 1980, in the state of Washington, United States. ‘Where is the evidence?’ ...

Explore how the landscape of southwest Washington still bears the scars of the Mount St. Helens eruption 45 years later, ...

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

Even after four and a half decades, those memories remain vivid.

A National Guard helicopter pilot who flew search and rescue missions within hours of the eruption shares photographs and ...

The route follows single-track mountain bike trails, unpaved roads and 4×4 tracks through the Gifford Pinchot National Forest ...

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

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

KING 5's Rich Marriott was working for the Northwest Avalanche Center when Mount St. Helens erupted. He was part of the team ...