When Mount St. Helens erupted in 1980, the blast released 3.3 billion cubic yards of earth from the mountain. Massive mudflows carried some of it around 60 miles down waterways to the Columbia River.

Mount St. Helens, located in Skamania County, Washington State, is one of the world’s active stratovolcanoes. Positioned 50 miles northeast of Portland and 96 miles south of Seattle, it is part ...

Then, drive 29 miles south to Exit 49 to State Route 504, also known as Spirit Lake Highway. Turn off at milepost 5 for the ...

The 1980 eruption wiped out the forest around the river, leaving an unrestrained river that destroys habitat. But conservationists have a plan.

Hurricane Helene lasted only a few days in September 2024, but it altered the landscape of the Southeastern U.S. in profound ...

The two-year project aims to address the continuing effects of Mount St. Helens’ 1980 eruption. The effort is being led by Lower Columbia Fish Enhancement Group and located about 10 miles from ...

Learn more about the volcanic ash researchers found in the sediment around Lake Mead’s now exposed shoreline, and how it ...

Risk models can’t rely just on the past anymore. A team of geoscientists suggests new ways to forecast evolving hazards in ...

Jun. 13—Eighty-eight years after the Chehalis Fire Department purchased it and 48 years after it was retired from service, Chehalis Fire Engine 2 is back on the road. "It's a big part of our ...

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...