Mount Rainier is America's most dangerous volcano. Scientists warn lahars could devastate 150,000 people with little warning. The post Scientists Warn Threat From America’s Most Dangerous Volcano ...

Volcanologists monitoring the Pacific Northwest have issued renewed warnings about several volcanic systems along the Cascade ...

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 ...

PIERCE COUNTY, Wash. — Lahars are some of the most dangerous natural events connected to our Cascade volcanoes, destructive volcanic mudflows that can slam communities far from the mountains. “Some ...

Depending on which side of Rainier a possible landslide begins, three Washington towns could be demolished in just half an hour, experts warned ...