5.0 magnitude earthquake strikes off coast of Puerto Rico

The epicenter was located about 14 miles southeast of the town of Guanica along the island’s southern coast.

Preliminary 4.6-magnitude earthquake strikes near Barstow, California

A preliminary 4.6 magnitude earthquake struck about 14 miles north of Barstow shortly after 7 p.m. with two aftershocks of 2.2 and 2.9 magnitude recorded, according to the U.S. Geological Survey.

Granada Hills earthquake rattles Southland overnight

Firefighters and police officers fanned out across Los Angeles Wednesday morning after an earthquake with a preliminary magnitude of 3.6 struck two miles northeast of the Granada Hills area, but no major infrastructure damage was reported.

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. 

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. 

3.0 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.

3.5-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.