In Humboldt County, residents are mopping up after ... the ShakeAlert System now has over 1,500 earthquake sensors in California, Oregon and Washington that provide information that is used ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more ...

SAN DIEGO (AP) — Southern California was jolted Monday morning by a strong earthquake near San Diego ... of magnitude 7 in December had an epicenter about 40 miles off the Humboldt County coast.

The study, published Monday in the Proceedings of the National Academy of Sciences (PNAS), found that a major earthquake ...

While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and ...

It’s been nearly a third of a century since Humboldt County and the triple junction region was rocked by three large ...

California was hit by three earthquakes on Wednesday ... The USGS showed the tremor struck off the coast of Petrolia in Humboldt County. The area has experienced dozens of earthquakes in the last 24 ...

The world's only population of wild Devils Hole pupfish shrank to 38 members after two earthquakes greatly affected the ...