Two 3.0+ earthquakes were reported in the Inland Empire on Saturday near Fontana, according to the U.S. Geological Survey.

The 3.6-magnitude quake may have shaken things up out in the Pacific Ocean, off the south Orange County Coast ... as well as in Long Beach. The earthquake was preceded by two smaller ones.

A series of small earthquakes, the strongest registering 3.6 in magnitude, struck in waters off Catalina Island Sunday. According to the U.S. Geological Survey, the first quake, a magnitude 3.1 ...

Columnist Teri Sforza writes that Rep. Mike Levin’s bipartisan bill could help San Onofre and communities nationwide.

Did you feel an earthquake around 5:30 p.m. on Sunday ... have shaken things up out in the Pacific Ocean, off the south Orange County Coast. But on land? Not so much. The temblor was 32 miles ...

The Metrolink commuter rail system also took part in the drill, with all trains slowing at exactly 10:17 a.m. in response to a simulated earthquake. The Orange County Sheriff's Department also ...

Registrars of voters' offices in Orange and Riverside counties were evacuated Friday evening after receiving bomb threats, ...