An earthquake with a magnitude of 3.4 struck northern Sonoma County Sunday afternoon. The quake's epicenter was recorded near ...

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

Unlike other earthquake-prone places around the planet, California is overdue for a major quake, according to a recent study.

The California Earthquake Authority reports that over 500 active faults crisscross the state. This means most California residents live within just 30 miles of an active fault line.

(FOX40.COM) — On Thursday night, three earthquakes were detected near California’s most active fault, the San Andreas Fault, ...

California has experienced three earthquakes in the last 24 hours in an area being closely monitored for a major quake. The US Geological Survey (USGS) detected the seismic activity along the San ...

Seismologists are closely monitoring California's fault lines as concerns grow about the possibility that the "Big One" could happen soon. The "Big One" refers to a massive earthquake that could ...

A full fault rupture, estimated to be around a 7.5 magnitude, could kill between 3,000 and 18,000 people, according to US Geological Survey and Southern California Earthquake Center. Up to 735,000 ...

Santa Rosa City Schools campuses are being transformed this summer, but two campuses must undergo required earthquake studies ...

The magnitude 5.2 earthquake that shook most of Southern California on Monday did not result in any reported injuries or damage. But the stronger-than-expected tremor has brought into focus its ...

Another earthquake has hit California. A 3.7 magnitude earthquake ... All three occurred along the Hayward fault line, which USGS notes is an active fault in the San Francisco Bay region.