A swarm of moderately sized earthquakes has hit California near the San Andreas fault, increasing the likelihood that a bigger earthquake could strike within the next seven days.

The San Andreas Fault is a continental right-lateral strike‑slip transform fault stretching roughly 1,200 km in California.

In the heart of California, the San Andreas Fault lies like a ticking time bomb, silently building pressure for over a century. Stretching more than 1,200 kilometers, this massive fault marks the ...

How likely is a big earthquake? "There are many plausible scenarios for big earthquakes up and down the the San Andreas fault system, including ones that would be highly disruptive in California ...

Geologists found that prehistoric Lake Cahuilla in California has triggered major earthquakes along the San Andreas fault. The lake is now gone, potentially delaying, but not stopping, another ...

The southern San Andreas fault in California is in a seismic drought, going more than 300 years without a major earthquake.

The last “big one”-level moments in California’s recorded earthquake history were the 1857 quake in the central third of the San Andreas Fault and the 1906 earthquake in the northern third.

CALIPATRIA– A 4.3-magnitude earthquake struck near the Salton Sea early Friday morning, jolting residents and triggering a ...

On Thursday night, three earthquakes were detected near California's deadliest fault line the San Andres Fault, according to records from the United States Geographic Survey.

Remote sections along California’s massive San Andreas Fault, where large earthquakes regularly occur, may be primed to shake again any day now, according to a new study.

California's landscape is shaped by multiple faults capable of producing powerful earthquakes. The San Andreas Fault extends about 800 miles from Cape Mendocino to the Mexican border.