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 ...

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

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

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

Poison hemlock has spread throughout the US. Here's how to kill it. How Mike Pence says he came to the conclusion he should ...

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

On this 45th anniversary of the Mount St. Helens eruption, the Washington Department of Transportation (WSDOT) is offering a ...

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

It was 45 years ago today when Mount St. Helens erupted, triggering the biggest landslide in Earth’s recorded history and creating an ash cloud that reached across the country. John Yang looks back at ...

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.

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