Decades after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, sediment ...
Nearly 45 years after Mount St. Helens' eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, ...
From there, the lower Cowlitz River ferries an average of nearly 3 millions tons of sediment through Castle Rock, Kelso and Longview, where it dumps into the Columbia River Mount St. Helens ...
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 ...
A Castle Rock woman — wanted on assault charges and detained after trying to escape — has pleaded guilty in Cowlitz County ...
How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...
Explosive eruptions, though, can blast huge amounts of rock and ash thousands of feet into the air. The May 1980 eruption of Mount St. Helens sent ash 12 miles (19 kilometers) into the sky in the ...
Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has alarmed scientists, who are closely monitoring the situation. The ...
When Castle Rock rebuilt, it placed the water intake on the upper Cowlitz River — above where the Toutle, and all the Mount St. Helens' sediment it carries, meet the river. Vorse, who started ...
A grand total of £7,084,835 is expected to be spent on highways, footways, and bridges this year following additional pothole ...