Mysterious Loud Boom And Rattling Felt Along Orange And San Diego County Coastlines Early Monday MorningSome residents said they thought it was an earthquake, while others believed it was possibly a sonic boom.
Magnitude-3.4 Quake Rattles Searles ValleyThe earthquake occurred at 5:03 a.m. in the Searles Valley area of the Mojave Desert.
New Earthquake Research Unveiled On Great ShakeOut DayThursday was the "Great ShakeOut Day" when emergency coordinators encourage the public to prepare for the inevitable "big one" in California. New research was unveiled giving the public a sobering look at what life could look like after the "big one" on the San Andreas fault.
Californians Practiced For The Big One During The Great ShakeOutFor the thirteenth year in a row, residents of Los Angeles County and across California will take part in the Great ShakeOut Earthquake Drill.
LAX, Metrolink Test Earthquake Early Warning Systems To Shut Down Fuel, Stop Trains Before Shaking StartsThe early warning system at one of the world’s busiest airports will monitor for earthquake activity through the U.S. Geological Survey’s ShakeAlert, which is linked to seismic sensors.
Magnitude-3.7 Earthquake Hits Near AnzaA magnitude-3.7 earthquake struck near the city of Anza Tuesday afternoon.
Preliminary Magnitude 4.3 Earthquake Shakes Carson AreaA preliminary magnitude 4.4 earthquake shook the Carson area Friday night.
Magnitude-3.6 Quake Rattles Thousand OaksThe earthquake occurred at 7:59 a.m. with an epicenter about 3.2 miles northwest of Thousand Oaks.
Magnitude-3.6 Quake Hits Grapevine AreaThere were no immediate reports of damage or injuries.
Magnitude-3.5 Quake Rattles HemetThere were no reports of damage or injury.
USGS: Sonic Boom Felt Across Southern California Mistaken For EarthquakeA shudder felt across most of Southern California wasn’t an earthquake – it was a sonic boom, according to the U.S. Geological Survey.
Aftershocks From Magnitude 6.0 Quake Rattle Eastern SierraDozens of aftershocks rattled through the Eastern Sierra Friday morning following a magnitude 6.0 earthquake near the California-Nevada border Thursday afternoon.
6.0 Earthquake Strikes Eastern Sierra Nevada; Shaking Felt In Bay AreaA magnitude 6.0 earthquake that struck the Eastern Sierra was felt in much of Northern California, including the Bay Area, Thursday afternoon.
3.2M Earthquake Strikes Near El SegundoA 3.2 magnitude earthquake struck 2.49 miles north of El Segundo Wednesday evening, according to the U.S. Geological Survey.
Small Earthquake Rattles Riverside, San Diego County BorderA magnitude-3.4 earthquake struck at about 2:30 p.m., just under two miles northwest of Aguanga at the far end of Riverside County, just at the border of San Diego County, between the Cahuilla and Pechanga reservations, according to the U.S. Geological Survey.