The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...

VANCOUVER, Wash. – 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 ...

Leaders around Cowlitz County said Friday that sediment from Mount St. Helens worsened flooding along the Cowlitz River and called on the U.S. Army Corps of Engineers to start dredging it — a request ...

ST HELENS, Wash — Engineers who spent the days and years following the 1980 eruption of Mount St. Helens working on the recovery of the region, returned Tuesday to check in on some of their work.

CASTLE ROCK Wash. (KPTV) - A group of retired US Army Corps of Engineers members reunited at the Sediment Retention Structure (SRS) on Wednesday, just three days after the 45th anniversary of the ...

On May 18, 1980, the United States experienced the deadliest and most destructive volcanic eruption in its history. After more than two months of rumbling, Washington state's Mount St. Helens erupted ...

May 18 marks the 45th anniversary of the catastrophic eruption of Mount St. Helens in southwestern Washington. The blast in 1980 killed dozens of people and reshaped the volcanic peak in the Cascade ...

May 18, 2025, marks the 45th anniversary of Mount St. Helens' eruption — a catastrophic event that transformed the landscape and killed 57 people. From this devastation emerged an incredible ...

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 down into the Cowlitz River each year ...

Longtime Castle Rock Public Works Director David Vorse retired at the end of 2025 after 44 years with the city.

A Southwest Washington salmon habitat restoration nonprofit broke ground last week on a large restoration project on and around the South Fork Toutle River, stemming from effects of the 1980 Mount St.

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 ...