Fears of a "Big One" came amid a new swarm of earthquakes that hit California's coast on Monday morning (May 26), at the ...

The U.S. Geological Survey recorded an earthquake on Guam with a preliminary magnitude of 5.0 at 12:57 p.m. Tuesday, but didn ...

Several earthquakes with epicenters beneath the ocean surface rattled the Northern California coastline early Monday. The ...

California can be hit by a massive earthquake, or the Big One, early next decade. An expert has also warned of several quakes ...

The minor earthquake occurred at 1:46 p.m. with its epicenter about 1.9 miles south-southeast of Greenland, N.H., at a depth of about 4.7 miles, the USGS reported.

Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...