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.
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.
Small Quake Gives Hermosa Beach A Lunchtime JoltThe magnitude-2.6 earthquake struck about 4 miles west-southwest of Hermosa Beach, out in the Pacific Ocean, at 12:23 p.m., according to the U.S. Geological Survey.
Earthquake Rattles Ontario Saturday AfternoonA 3.1 magnitude earthquake rattled Ontario Saturday afternoon.
Small Earthquake Rattles Simi ValleyThe magnitude-3.2 earthquake struck at about 12:51 p.m. and was centered almost two miles east of Simi Valley in an area known as Santa Susana, according to the US Geological Survey.
Small Earthquake Hits Willowbrook, Rattles South LA, Bay AreasThe magnitude-3.5 earthquake struck less than a mile east of Willowbrook, about 5 miles east-southeast of Compton, at about 8:32 a.m.
USGS: 1-In-300 Chance Strong Earthquake Could Follow Salton Sea Swarm Of Earthquakes Within 7 DaysThe swarm slowed down Thursday, but at least four earthquakes of magnitude 3 or larger were recorded in the first seven hours of the day, according to the U.S. Geological Survey. The swarm is taking place in the Brawley seismic zone.
Coachella Valley Hit By 2 Small Earthquakes In 3 MinutesA 3.0 quake struck at 10:07 a.m. about 6 miles east of Desert Hot Springs, according to the U.S. Geological Survey. It was followed about three minutes later by a slightly stronger magnitude-3.7 in the same general area.
Magnitude 3.4 Earthquake Wakes Up Lake ElsinoreThe magnitude 3.4 earthquake struck at 6:20 a.m. about 6 miles west-northwest of Lake Elsinore, according to the U.S. Geological Survey.
Magnitude 4.5 Earthquake Strikes Near South El MonteA preliminary 4.5 magnitude earthquake struck the Los Angeles area late Friday night, USGS reports.
Quake Swarm Under Salton Sea Increases Chances Of Bigger Earthquake Over Next 7 DaysThe swarm of earthquakes were centered about 8 miles from the southern end of the San Andreas Fault.
Ridgecrest Struck By Magnitude-4.3 EarthquakeThe earthquake that struck Sunday at 9:15 p.m. had a preliminary magnitude of 4.3 and was centered about 14 miles west of Ridgecrest, according to the U.S. Geological Survey.
Magnitude-3.5 Earthquake Hits Desert Near RidgecrestThe quake struck at 6:57 a.m. about 29 miles southwest of Ridgecrest, at a depth of 1.4 miles, according to the U.S. Geological Survey.
Magnitude-3.5 Earthquake Hits CastaicThe magnitude-3.5 earthquake struck at about 6 a.m. about a mile north-northwest of Castaic and at a depth of 10 miles.
3.6 Earthquake Hits Granada Hills AreaA magnitude-3.6 earthquake struck two miles north-northeast of Granada Hills at 11:41 p.m. Tuesday, according to the U.S. Geological Survey.