Iran hit with magnitude 4.9 earthquake near nuclear plant
The quake struck in the southwestern part of the country near the Bushehr nuclear plant.
Second 6.0+ magnitude quake strikes Puerto Rico amid heavy seismic activity Tuesday morning
A 6.4-magnitude earthquake struck Puerto Rico before dawn on Tuesday, and was followed three hours later by an aftershock measuring 6.0. They are the largest in a series of quakes that have struck the U.S. territory in recent days and caused heavy damage in some areas.
3.0-magnitude earthquake hits near Brea
A 3.0-magnitude earthquake struck Orange County this morning, according to Caltech.
Preliminary 4.0-magnitude quake rattles SoCal
A preliminary 4.0-magnitude earthquake struck off the Port Huneme coast Thursday morning, officials said.
3.3 magnitude earthquake strikes Brea
Did you feel it? A 3.3 magnitude earthquake struck the Brea area Saturday morning.
Preliminary 3.2 earthquake strikes near Idyllwild area
An earthquake with a preliminary magnitude of 3.2 struck near Idyllwild Tuesday evening.
4.3-magnitude quake jolts Central California
A preliminary 4.3-magnitude earthquake struck near Paso Robles Tuesday morning, the U.S. Geological Survey reported.
3.5-magnitude earthquake strikes near Ridgecrest area
A 3.5-magnitude earthquake struck Monday in the Ridgecrest area.
3.0 earthquake strikes near San Pedro
An earthquake with a magnitude of 3.0 has struck about 13 miles south of San Pedro, according to the U.S. Geological Survey.
Magnitude 3.2 earthquake jolts Brea area
An earthquake with a preliminary magnitude of 3.2 struck near Brea Wednesday evening, but no damage or injuries were reported.
Two earthquakes strike Palm Springs area
Two 3.5 earthquakes were detected in the Palm Springs area Sunday.
Cluster of earthquakes strike Ventura for second consecutive day
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.
Pair of small quakes centered in Ventura strike minutes apart
Two small earthquakes centered in Ventura struck on Thursday morning, according to the U.S. Geological Survey.
3.0-magnitude quake centered near Lake Elsinore strikes on Halloween morning
A preliminary 3.0-magnitude earthquake struck near Lake Elsinore early Thursday morning, the U.S. Geological Survey reported.
3.5-magnitude earthquake centered in Compton rattles SoCal
A 3.5-magnitude earthquake struck the Compton area early Friday morning and was felt across Southern California.
Ridgecrest quakes strained major fault, capable of 8.0 quake, according to new study
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.
Ridgecrest quake's impact along dormant fault
When it comes to earthquake faults a quake on one fault can have an impact on another. That's exactly what's happened.
Great ShakeOut earthquake drill urges preparedness for major temblor
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.
California earthquake alerts become available statewide
The California Governor's Office of Emergency Services says earthquake early warning alerts will become publicly available statewide starting Thursday.
Magnitude 4.7 earthquake strikes northern California near Hollister
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.