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

Nearly 45 years after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, ...

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

WA leaders are reassessing their plans for the possibility of an eruption at Mount Adams or Mount St. Helens. Dozens of local, tribal, state and federal officials gathered virtually and in-person ...

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 ...

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

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

Earthquake activity around Mount St. Helens has been at a normal ... of increased earthquake activity for weeks leading up to an eruption event and Tobin is 'pretty confident' that the network ...

The expert panel's new guidelines provide clear instructions on how to respond if Mount Fuji were to erupt and blanket the Tokyo area in volcanic ash. One critical aspect highlighted is the ...

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.