Mount Rainier is America's most dangerous volcano. Scientists warn lahars could devastate 150,000 people with little warning.

Scientists have warned that America’s deadliest volcano could obliterate three towns, which are home to 60,000 people, within minutes. Orting, Puyallup, and Sumner would be decimated beyond ...

After Mount St. Helens erupted in 1980, experts were faced with a precarious question: How can we best prepare for when—not if—the next volcanic eruption in the Cascade Range occurs? Triggered by a ...

Who will stop the Rain-ier? Scientists are warning that Washington's Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...