Two 3.5 earthquakes were detected in the Palm Springs area Sunday.
A series of small earthquakes centered in Ventura struck Friday morning, the day after being hit by a surge of quakes, according to the U.S. Geological Survey.
Two small earthquakes centered in Ventura struck on Thursday morning, according to the U.S. Geological Survey.
A preliminary 3.0-magnitude earthquake struck near Lake Elsinore early Thursday morning, the U.S. Geological Survey reported.
A 3.5-magnitude earthquake struck the Compton area early Friday morning and was felt across Southern California.
The earthquakes that hammered the Southern California desert near the town of Ridgecrest last summer involved ruptures on a web of interconnected faults and increased strain on a major nearby fault that has begun to slowly move, according to a new study.
When it comes to earthquake faults a quake on one fault can have an impact on another. That's exactly what's happened.
Millions of residents in Los Angeles and Orange County -- joined by millions more across the state and globe -- took part in a "drop, cover and hold on'' exercise Thursday for the 12th Great ShakeOut Earthquake Drill, designed to encourage preparedness for a major temblor.
The California Governor's Office of Emergency Services says earthquake early warning alerts will become publicly available statewide starting Thursday.
A preliminary 4.7-magnitude earthquake struck near Hollister, California Tuesday afternoon, about 48 miles from Santa Cruz, according to the U.S. Geological Survey.
A preliminary 4.5-magnitude earthquake struck the Pleasant Hill area northeast of San Francisco Monday night.
Most Californians live within 30 miles of an active earthquake fault. Scientists say there is more than a 99-percent chance of one or more magnitude 6.7 earthquakes striking California in the next 30 years. As a result, here are five things to know about your earthquake risk:
A 3.6-magnitude earthquake struck the Ridgecrest area Tuesday morning.
A 3.9 magnitude earthquake struck Tuesday in the Riverside County area.
A 3.3-magnitude earthquake struck one mile from Lakeland Village near Lake Elsinore at 9:05 p.m Sunday evening, according to the USGS.
COOS BAY, Ore. (AP) — A 6.3-magnitude earthquake struck Thursday off the Oregon coast but did not generate a tsunami or cause any damage or injuries, authorities said.
A preliminary 5.0-magnitude earthquake struck approximately 11 miles east of Little Lake, California at about 1:49 p.m. local time Thursday.
Mayor Eric Garcetti held a news conference Wednesday to announce changes to the ShakeAlert LA app. The biggest change is that users will now be alerted when weaker quakes strike in some cases up to 45-seconds or more beforehand.
Thousands of Los Angeles apartment owners who are required to strengthen their properties against earthquakes haven't begun the work, and a few hundred haven't even submitted the initial paperwork, a nonprofit news organization reported Tuesday.
An earthquake struck Monday morning near the San Bernardino/Riverside County line.