A 3.2-magnitude earthquake struck near Idyllwild in Riverside County on Wednesday, according to the U.S. Geological Survey. The quake was reported around 12:27 p.m. with a depth of nine miles.

RIVERSIDE COUNTY, Calif. - An earthquake with a preliminary magnitude of 3.6 rattled near Riverside County on Wednesday ...

A magnitude-3.2 earthquake was reported Wednesday morning off the Los Angeles County coast The offshore quake was centered southwest of Malibu at a depth of 7.9 miles. The USGS ‘Did You Feel It’ page ...

A 4.4-magnitude earthquake struck about 2.5 miles south of the Los Angeles neighborhood of Highland Park Monday, according to the U.S. Geological Survey. It was reported at about 12:20 p.m. and ...

The 4.4 magnitude earthquake that jolted the Los Angeles area this week hit in the area of a fault system that could pose an even greater threat to parts of the city than the notorious San Andreas ...

A minor earthquake, registering a magnitude of 2.4, struck Long Beach at 11.34 pm Pacific time on Sunday night. The US ...

Seismic symphonies of minor earthquakes may affect grand movements on major faults.

A 10-story cold-formed steel-framed building will soon be put to the test on an earthquake simulator at the University of ...