As Washington State approaches the 45th anniversary of the eruption of Mt. St. Helens on May 18, state officials are ...

Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...

When you hear the word volcano and Washington State you immediately think Mt. St. Helens. The 5.1 magnitude eruption on May ...

Now Washington State officials are looking over state plans for evacuation and other plans in case of a big eruption at Mt.

Much like in 1980, if we started seeing more frantic rumbling, then the media coverage would become intense, and it could ...

The sediment retention dam in Toutle has become less and less effective as it fills, switching from catching about 80% of passing sediment to allowing 80% to pass, according to ...

Earthquake activity around Mount St. Helens has been at a normal, safe level since a four-year period of minor eruptions ended in 2008, according to experts. Fortunately, volcanoes usually have a ...

Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour into the Cowlitz River each year.