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

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

The National Tsunami Warning Center has warned that the quake, which occurred at 12:55 p.m. local time, could generate ...

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

A powerful undersea earthquake struck off the southern coast of Alaska on Wednesday, setting off a tsunami advisory and ...

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

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

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

Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

Nearly 75% of the U.S., including Alaska and Hawaii, could experience a damaging earthquake sometime within the next century, USGS study finds.