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

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.

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

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

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.

John Yang looks back at the deadliest and most destructive volcanic eruption in U.S. history with Steve Olson, author of “Eruption: The Untold Story of Mount St. Helens.” It was 45 years ago ...

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

We dug into the archives for 'The Mountain Erupts,' a KING 5 documentary on the 1980 Mount St. Helens eruption.

Fifty-seven people were killed. To this day, it is still the deadliest volcanic eruption in U.S. history. KING 5 sat down with Michael Lienau, who was part of the first film crew to document the ...

Fifty-seven people were killed, making the eruption the deadliest in U.S. history. Deadliest volcanic eruption in US history: Fifty-seven people were killed, making the eruption the deadliest in U ...