The latest earthquake hit the Redlands area and followed days of tremors - with social media users expressing concern ...

The Hayward fault, part of the larger San Andreas fault system, runs 74 miles through the East Bay of the San Francisco Bay ...

An earthquake with a preliminary magnitude of 3.4 shook the San Bernardino County area Monday morning. According to the U.S.

A 2.7 magnitude earthquake was felt in Anacortes, Washington on Sunday night.

A small earthquake struck in the Inland Empire on Monday morning, according to the U.S. Geological Survey. Did you feel it?

Unexplained 'booms' shook High Desert homes, but quarry blasting is ruled out. Residents suspect military aircraft.

RIVERSIDE COUNTY, CA - A preliminary 2.1 magnitude quake occurred near Redlands at midday on Monday, according to the U.S.

Smaller quakes from secondary faults—which are not included in national seismic hazard modeling—occur more frequently than ...

LOS ANGELES COUNTY, CA - A preliminary 2.2 magnitude quake occurred near El Monte on Monday morning, according to the U.S.

A 3.3-magnitude earthquake rattled the Redlands area of San Bernardino County Monday morning, according to the U.S.

WASHOE COUNTY, NV - A preliminary 2.1 magnitude quake occurred near Empire on Monday morning, according to the U.S.

LYON COUNTY, NV - A preliminary 2.1 magnitude quake occurred near Silver Springs on Monday morning, according to the U.S.