Earthquakes usually occur along fracture zones in Earth's crust, where large tectonic plates slide past one another and ...

A preliminary magnitude-3.3 earthquake was reported early Friday in Redlands. Weak shaking was reported in Redlands, Loma Linda, Riverside, Colton, San Bernardino, Moreno Valley and other inland ...

A 3.5-magnitude earthquake struck the Fillmore area in Ventura County, the U.S. Geological Survey reported on Saturday.

A large swarm of earthquakes has struck Southern California, less than 50 miles from millions of residents in Los Angeles. A cluster of 20 minor quakes broke out at 12.33pm ET and has continued to ...

A late afternoon earthquake rattled Southern California, including parts of San Bernardino County, on Saturday. A magnitude 3.5 was reported at 5:11 p.m., about six miles north of the Los Angeles ...

LOS ANGELES (KABC) -- Earthquake-resistant water pipes are being installed at critical locations around the city of Los Angeles, including near the epicenter of the Northridge earthquake. The pipes ...

More than 80 people from as far away as Long Beach and Altadena rported feeling the tremor to the agency. Getty Images/iStockphoto A 3.3-magnitude earthquake shook the Los Angeles area in Southern ...

A new report studied a massive earthquake that ruptured in the southeast Asian country of Myanmar on March 28 — on a fault known for being eerily similar to California’s notorious San Andreas fault.