Beginning July 8, a swarm of earthquakes hit Mount Rainier. According to the United States Geological Survey (USGS) Cascades ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Six earthquakes were recorded at Mount Adams in September — the highest number in a single month since records began in 1982.

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Washington's ShakeAlert earthquake early warning network will officially go live statewide on May 4, but won't be fully completed until 2025.

A spike in earthquakes at Mount Adams, a volcano in Washington state, prompted scientists to install additional monitoring instruments to assess the seismic activity.

On April 13, 1949, at 11:55 am, Tacoma was hit by a magnitude 7.1 earthquake. Bob Anderle (far right) looks down at the broken gable and the facing bricks that fell from one of the dormer windows ...

Earthquakes can cause tsunamis that can be more harmful than the earthquake itself. In Washington state, a 7.5 magnitude earthquake could create a tsunami with waves up to 42 feet tall, according ...

An early-warning system on Android phones has detected more than 1,000 earthquakes worldwide since 2021, sometimes giving ...

The Washington Department of Natural Resources (DNR) sent individual assessments of earthquake risk to administrators for 222 school buildings last week, containing grim reminders of our state’s ...

Washington's ShakeAlert earthquake early warning network will officially go live statewide on May 4, but won't be fully completed until 2025.