The eruption of Mount St. Helens was one of the most impactful in history. But there are people who have lived alongside the ...

LONGVIEW — For the first time, federal engineers are acknowledging that they will need to battle Mount St. Helens sediment flow into the Cowlitz River into the middle of the 21st century. And ...

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.

May 23, 1980. The nearby Cowlitz River overflowed its banks when a flash flood roared through the area after violent eruptions on Mount St. Helens. The event would later be dubbed the most deadly ...

On May 18, 1980, U.S. Geological Survey volcanologist David Johnston had a clear view of Mount St. Helens's north flank ... then swept into the Cowlitz River and finally into the Columbia.

Just on the heels of the 45th anniversary of the volcano's eruption, the Mt. St. Helens Visitor Center reopened its doors on Saturday.

In one of the largest donations it has ever made, the Cowlitz Tribal Foundation this week announced the earmarking of $900,000 for upgrades for the Mount St. Helens Institute. The institute called ...

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.