Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

Earthquakes are normally detected around Mount Adams once every couple of years, while Mount Rainier could have some 10 to 20 earthquakes per month, said Jon Major, scientist-in-charge at the ...

Missing Mt. Rainier climber found dead in crevasse; he was celebrating 80th birthday The first earthquake, with a magnitude of 3.0, originated just south of the Mount Hood summit. The second ...

"Some volcanoes, like St. Helens, Rainier, and Mount Hood undergo episodes of increased earthquake frequency where we see bursts of many earthquakes, which may last for days to weeks," he said.

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 ...

Oct. 3—September saw an increase in earthquake activity at Mount Adams, according to the U.S. Geological Survey (USGS) Cascades Volcano Observatory and the Pacific Northwest Seismic Network. A ...

Mount Rainier is a scenic jewel of a mountain in Washington state. It's also an active stratovolcano that the United States Geological Survey says has a "very high" threat potential. So you can ...

At Mount St. Helens and Mount Rainier, we’ll get somewhere between 10 and 20 earthquakes a month. The volcanoes in the Cascades talk to us all the time. Mount Adams generally is fairly quiet.

Even though Mount Rainier has not had a "significant" eruption in the last 500 years, the United States Geological Survey (USGS) calls the volcano potentially the most dangerous one in the Cascade ...

Mount St. Helens has experienced slightly heightened seismic activity this year, compared to recent years, with 22 earthquakes in the last week alone, according to the observatory.

Mount Rainier, for instance, might have a couple of small earthquakes a day. If Mount Adams were to erupt, deposits of rock and other material on the landscape suggest it would be much different ...