A magnitude 3.5 earthquake was reported Tuesday at 4:54 p.m. in Rialto, according to the U.S. Geological Survey.

RIVERSIDE COUNTY, CA - A preliminary 2.0 magnitude quake was detected close to Calimesa at midday on Tuesday, according to ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey.

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...

Tsunami alerts were issued for Alaska and Hawaii on Tuesday after a major, 8.8 magnitude earthquake struck off the coast of ...

For the first time ever, California landlords can access earthquake retrofit grants. Second registration window opens with ...

Homeowners, landlords and property owners with residential properties in areas at high risk of earthquake damage in the Bay ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey.

Three earthquakes ranging from 3.5 to 3.7 magnitude hit the San Bernardino area of Southern California. Earlier on Aug. 5, an earthquake in northern New Jersey was felt in parts of New York.

The Kuril Islands earthquake was reported three days after a 3.2-magnitude earthquake was reported in Texas on Friday (August ...