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 was shaken by seven earthquakes in less than 24 hours, raising concerns among residents about the potential arrival of "The Big One." The United States Geological Survey (USGS) detected a 3.