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

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Over 50 earthquakes, ranging from 3.5 to 5.8 in magnitude, were reported off the Oregon coast in a 24-hour period. The cluster of quakes began Tuesday and continued through Wednesday, about 200 to ...

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

A cluster of earthquakes was recorded early Wednesday off the Oregon coastline about 300 miles west of Newport but caused no damage, according to the U.S. Geological Survey.

You can take a breath of relief — the earthquakes that occurred in the Pacific Ocean off the Oregon coast this week are not a precursor of the “Big One.”. Several earthquakes rattled the ...

Officials in the community of King Cove, which has about 870 residents and is on the south side of the Alaska Peninsula, sent ...

More than 50 earthquakes were reported off the Oregon coast in fewer than 24 hours on Tuesday. A swarm of earthquakes isn't inherently dangerous, experts say. The strongest earthquake registered a ...

NEWPORT, Ore. — More than 50 small-to-moderate earthquakes struck far off the Oregon coast since Tuesday morning, but there is no threat of a tsunami, the National Weather Service (NWS) said ...

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

Every second counts when it comes to earthquakes, and Android‘s AEA system is changing how people prepare for one of nature’s most unpredictable disasters.

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.