A debate is stirring in Southwest Washington over how to manage ongoing impacts from the 1980 eruption of Mount St. Helens.

The 1980 blast remains the deadliest volcanic eruption in U.S. history. More than 300 miles from the volcano, cities like Pullman, Washington, and Moscow, Idaho, were covered in ash. A 23-year-old ...

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady ...

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.

Nothing can be done to prevent another Mount St. Helens eruption, but federal agencies believe there is a way to prevent a similar disaster from a hazard left behind from the 1980 eruption. The ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also ...