The alerts rely on detecting fast-moving P-waves, which precede the more destructive S-waves during an earthquake. If enough ...

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active ...

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

A tsunami advisory was lifted Wednesday afternoon for a portion of the Alaskan Peninsula coastline following a 7.3 magnitude ...

There have been no reports of damage however authorities have advised residents to prepare to move to safety if needed.

New USGS government maps extend earthquake hazard zones nationwide, including some surprising states. The 5.8 magnitude earthquake that struck Virginia on August 24, 2011, damaged monuments like ...

Scientists warn if a 1,000-ft ‘mega-tsunami’ spurs from an active fault line it could wipe part of America off the map - Alaska, Hawaii and areas along the mainland West Coast would be at risk ...

L.A.’s quake mystery: 2024 brings the most seismic activity in decades. Why now? Grapefruit-sized rocks in Malibu Thursday, Sept. 12, 2024 following a 4.7 earthquake centered in the area.

The U.S. Geological Survey warned that nearly 75% of the U.S. could face potentially damaging earthquakes and intense ground shaking in the next 100 years.