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.

Mount Rainier, the massive stratovolcano in Washington state, has remained dormant for over 1,000 years, but experts caution that an eruption is inevitable. If it were to erupt, the consequences ...

Researchers predict the most likely outcome of the unrest at Mt. Spurr is “one or more explosive events” that could last as ...

One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

Even though Mount Rainier has not produced a significant eruption in more than 1,000 years, experts keep a very close eye on it due to its potential to blow at any time, and the widespread ...

Monitoring stations around Mount Adams noted nine earthquakes ranging from magnitude 0.9 to 2.0 near the volcano between ...

TACOMA, Wash. — The Puyallup Tribe is working to learn more about the many native names of the mountain now known as Mount Rainier. It is doing this with the hope of eventually restoring the ...

Stratovolcanoes are cone-shaped volcanoes that build up from layer after layer of lava and ash, one eruption at a time. They're also called composite volcanoes. Mount Rainier in Washington is a ...