Some earthquakes are followed by a larger earthquake, in which case the first quake would then be called a foreshock. For ...

A magnitude-2.7 earthquake was reported Friday morning in the San Bernardino County community of Rialto. The quake was ...

A 3.6-magnitude earthquake struck near Idyllwild at 9:43 a.m. on Friday, according to the U.S. Geological Survey ...

A preliminary magnitude 3.6 earthquake was recorded about six miles southwest of Idyllwild, according to USGS.

LA PAZ COUNTY, AZ - Saturday evening, a 2.5 magnitude quake was registered near Aguila, according to the U.S. Geological ...

LOS ANGELES — A preliminary magnitude-4.3 earthquake in the San Bernardino area produced shaking that was felt over ...

RIVERSIDE COUNTY, Calif. - An earthquake rocked Riverside County on Friday morning, according to the U.S. Geological Survey. The USGS said a preliminary 3.6-magnitude earthquake occurred at 9:43 a.m.

The Rialto Fire Department reported that a series of small earthquakes shook the northwestern portion of the city Thursday ...

A new report studied a massive earthquake that ruptured in the southeast Asian country of Myanmar on March 28 — on a fault ...

Earthquake preparedness: LA County passes motion requiring retrofit of some buildings by 2033 It applies to concrete, high-rise, non-ductile structures owned by the county or in unincorporated ...