The volcano last erupted in 2015, producing 450-foot-thick lava flows, but because of its remote location, it is not a threat ...

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

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to ...

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 7.3 magnitude earthquake struck off the coast of Alaska on July 16, 2025. While significant, the 1964 Prince William Sound ...

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...

In a new study, published July 18 in the high impact journal Science Advances, Western engineering professor Bing Li and his ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the ...