Two earthquakes rocked California in back-to-back days as fears about two major fault lines have been “real and growing.” A ...

Sacramento residents received an emergency earthquake alert Wednesday morning but felt little or no shaking after a magnitude 5.6 earthquake struck Mendocino County - an outcome seismologists said ...

Initial seismic data reported a preliminary magnitude 5.6 earthquake near Redwood Valley in Northern California; officials said no tsunami was expected.

A series of moderate earthquakes, including a magnitude 5.7, struck off the coast of Northern California and Oregon. The quakes occurred near the Mendocino Triple Junction, one of the most seismically ...