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 ...

New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for eruptions.

The world is constantly changing, and eventually, our memory alone isn't enough to portray how things really were. It can ...

William “Bill” Earl Harrison of Lawrence, Kansas, passed away on November 8, 2025. He was preceded in death by his parents, Thomas Otto and Macie Beatrice Harrison, and his siblings, Frances DuRee, ...

Wouldn’t it be nice to be able to forecast major eruptions? So far, the opportunity has been lacking. VEI-7 eruptions are rare: we have not seen one since Tambora in April 1815. To make a right ...