George and his team plan to create debris-flow models for each peak in the Cascades. Their work on Mount Rainier underscored ...

A repost on the region of Lassen Peak in California, originally written by Henrik in 2013 This article began as a regular piece on Lassen Peak but quickly expanded as I discovered how complex the ...

Chester, perched on the shores of Lake Almanor in Plumas County, is the kind of place that makes you wonder if you’ve ...

Although researchers did predict the Axial Seamount would erupt in 2025, people on the Pacific coast shouldn't worry about its impact. Axial's eruptions are akin to the ones in Hawaii in which runny ...

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...

A tsunami warning has been issued for south Alaska and the Alaska Peninsula after a massive 7.3-magnitude earthquake, ...

The Sierra Nevada and Cascade Ranges form an axis of high mountains east of the Central Valley and Klamath Mountains. The Southern Cascade Range bioregion is the southern end of an extensive chain of ...

The most alarming case may be West Antarctica, where more than 100 active volcanoes lie buried beneath the ice. One glacier ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological ...

A string of earthquakes has made some wonder if this enormous West Coast volcano is about to erupt, but here's what seismologists have to say.

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

More than 300 tremors were recorded below Mount Rainier over the course of three days. Scientists say they were too weak for ...