Lahars typically occur during volcanic eruptions but also can be caused by landslides and earthquakes. Geologists have found evidence that at least 11 large lahars from Mount Rainier have reached ...

Lahars typically occur during volcanic eruptions but also can be caused by landslides and earthquakes. Geologists have found evidence that at least 11 large lahars from Mount Rainier have reached ...

With researchers monitoring Mount Rainier so closely ... lahars can trigger without a volcanic eruption from a landslide instead. These so-called “no notice lahars” are the reason extra ...

Experts say it is only a matter of time until Mount Rainier, one of the most dangerous volcanos in the US, unleashes itself upon the Pacific Northwest. This huge, active stratovolcano looms over ...

Lahars typically occur during volcanic eruptions but also can be caused by landslides and earthquakes. Geologists have found evidence that at least 11 large lahars from Mount Rainier have reached ...

(CNN) — The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.