U.S. Geological Survey

Study: Inland Ventura, Oxnard Area Vulnerable To Earthquake-Generated TsunamiInland areas of Ventura and Oxnard could be vulnerable to the effects of an earthquake-generated tsunami, according to computer models from seismologists at University of California, Riverside.
Scientists: Nearly Half Of Americans Live In Quake-Prone ZonesScientists say more than 143 million Americans in the Lower 48 states now live in earthquake-prone areas.
USGS Forecast: Chances Of Magnitude-8 Earthquake Up 7 PercentThe good news is there’s less of a chance of a magnitude-6.7 earthquake hitting California in the coming years, but the bad news is that the likelihood of a magnitude-8 or large hitting in the next 30 years jumped from 4.7 percent to 7 percent.
3.8-Magnitude Quake Strikes Big Bear AreaA 3.8-magnitude earthquake struck the Big Bear area Monday afternoon, according to the U.S Geological Survey.
3.1-Magnitude Quake Strikes Near CabazonA 3.1-magnitude earthquake struck near Cabazon Thursday evening.
Ex-LA Science Teacher Shares Theory On When Big Earthquakes OccurA former Los Angeles science teacher has a theory on when big earthquakes are more likely to occur.
No Immediate US Tsunami Threat From Chile Quake Paul Whitmore, the director of the National Weather Service's West Coast and Alaska Tsunami Warning Center, says the greatest potential threat from Tuesday night's quake is to Hawaii.
USGS Warns Residents Of Bogus Earthquake Alert LetterA bogus letter circulating online is warning Southland residents about an impending earthquake.
3.6-Magnitude Quake Strikes La Habra AreaA 3.6-magnitude earthquake struck the La Habra area Friday night, according to the U.S. Geological Survey.
2.7 Quake Reported In Los AlamitosA magnitude 2.7 earthquake struck the Los Alamitos area Monday afternoon.
2.7-Magnitude Quake Strikes Near EncinoA 2.7-magnitude earthquake struck near Encino on Thursday night.
M3.7 Earthquake Shakes Idyllwild AreaThe Southern California Earthquake Center reports the quake hit around 3:44 p.m. and was centered approximately 2 miles south-southwest of the Idyllwild post office.