A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San Jose. Experts are now fearing the worst amid the uptick in seismic events

This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, Riverside, Victorville, and Hesperia from the first earthquake

The California coast has been rocked by seven earthquakes in less than a day, including four in the same city near the San Andreas fault - sparking fears that the 'Big One' could be on the way.

MORGAN HILL, Calif. - A magnitude 3.4 earthquake struck east of Morgan Hill on Friday, the USGS reported. The earthquake was reported around 12:40 p.m. According to the USGS, the quake was centered about 7 milles east of Morgan Hill and 5 miles east of San Martin.

A preliminary magnitude 3.7 earthquake rattled the Bay Area on Thursday afternoon after a series of smaller quakes hours before in the same area, according to the U.S. Geological Survey. The latest shake happened at 1:59 p.