The US Geological Survey (USGS) has just installed some of the first sensors of their kind on the east side of the mountain.

MT. ST. HELENS, Wash. - Search and rescue crews have found a 15-year-old girl who disappeared near Mt. St. Helens on Monday afternoon. The girl was rescued Tuesday morning near the Smith Creek ...

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. Yet, more ...

The most destructive volcanic eruption in United States history happened less than half a century ago in Washington state. On May 18, 1980, the north side of Mount St. Helens, in southwestern ...

(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. Yet ...

Mount Rainier’s cousin Mount St. Helens, farther south in the Cascade Range, triggered a devastating lahar when it erupted four decades ago, although it did not reach any densely populated areas.

The CNN Original Series “Violent Earth With Liev Schreiber” explores harrowing weather events, such as hurricanes and wildfires, that are increasingly frequent in our changing climate. The latest ...