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

Scientists have developed a new system that turns Android smartphones into real-time earthquake detectors, potentially ...

ANCHORAGE, Alaska (AP) — Communities along a 700-mile stretch of Alaska’s southern coast ordered residents to higher ground ...

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

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north Sacramento Valley shakes.

A lightly populated stretch of Alaska ’s southern coast was under a tsunami warning Wednesday after a strong earthquake was ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

Thanks to the Great Oregon ShakeOut drill, earthquakes are top of mind for Oregonians, but why should we prepare? Frequently asked questions about Oregon quakes.

Friday’s 4.4 earthquake in Linn County is an excellent reminder for Pacific Northwest residents to prepare for the potential 9.0 “megathrust” earthquake that could occur along the Cascadia ...

SALEM, Ore. (KTVZ) -- Monday marked three years since the ShakeAlert® Earthquake Early Warning System went live in Oregon. The earthquake detection tool, operated by the U.S. Geological Survey ...

The Great Oregon ShakeOut takes place every third Thursday in October. The event is part of a global earthquake drill involving individuals, families, schools and businesses.

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