VENTURA COUNTY, CA - A 3.3 magnitude quake was reported close to Ojai Tuesday morning, according to the U.S. Geological Survey.

A swarm of 20 earthquakes has jolted Southern California, shaking communities just miles from Los Angeles. The largest quake reached a magnitude of 3.3, and all struck within a tight two-hour window near the city of Fillmore.

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big One near?

San Ramon was hit by more than 90 tremors in mid-November.

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical earthquakes.

An urgent alert of a 5.9-magnitude earthquake in the Reno, Nevada, area sparked panic among Californians — but it turned out the temblor never happened. STAY UP TO DATE WITH THE LATEST NEWS BY SUBSCRIBING TO MORNING REPORT NEWSLETTER The alert,

"People sometimes think the little earthquakes are a safety valve."

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near Carson City in western Nevada could produce heavy shaking in the region. But moments later, the survey announced the alert, which was sent to people as far west as San Francisco, was a false alarm.

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on Thursday morning for a magnitude 5.9 temblor that did not happen.

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface. The discovery could mean stronger shaking near faults like California’s San Andreas than current models predict.

A minor, 3.1-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey. The temblor happened at 10:27 a.m. Pacific time about 8 miles northwest of Fillmore, Calif., data from the agency shows.