Washington’s intense bout with record-breaking temperatures likely triggered a glacial mudslide on Mount Rainer. Monitors registered the lahar Tuesday afternoon, saying it lasted for hours. Lahars, ...

SEATTLE — Editor's note: The above video on the USGS adding more lahar detection sites at Mount Rainier National Park originally aired June 8, 2021. SEATTLE - Western Washington is virtually ...

A new report from the Department of Natural Resources estimates that a volcanic mudflow, known as a ‘"lahar," from Mount Rainier could produce property losses of up to $6 billion to communities in the ...

Before we get into the news about all the activity in Indonesia, I did want to point out a couple of articles about the connection between earthquakes and volcanoes. After the Sendai earthquake, there ...