A magnitude 4 earthquake that erupted in the Pacific Ocean caused slight tremors in Ventura County and the Westside, San Fernando Valley, and South Bay areas of Los Angeles County.
The earthquake struck Thursday at 2:13 a.m., about 19 miles south of Oxnard in Ventura County and about 15 miles southwest of the naval base of Ventura County in Point Mugu.
Pointe Dume de Malibu is approximately 40 km northeast of the epicenter, and Santa Monica is about 64 km east of the origin of the earthquake. Downtown Los Angeles is almost 55 miles from the epicenter.
No damage has been reported to Oxnard, police said, where a dispatcher felt a little shaky.
The earthquake occurred in an area of several mapped faults, such as the Anacapa-Dume fault, which extends below the Pacific Ocean parallel to the long coast of Malibu and finally heads towards the Santa Monica Unit.
The Anacapa-Dume fault is part of the fault system of the southern edge of the transverse chains, which extends for approximately 125 miles in a west-east direction. According to the Southern California Earthquake Center, other failures in the same system include the Santa Monica, Hollywood, Raymond, Malibu, Santa Cruz Island and Santa Rosa Island faults.
The magnitude 4 earthquake occurred three hours after an earthquake of magnitude 3.9 erupted near San Jose, sending slight tremors to Morgan Hill and Gilroy, according to the USGS, and weak tremors around. From the San Francisco Bay, as well as from Monterey, Santa Cruz, and Salinas.
In the last ten days, there have been three earthquakes of magnitude 3.0 or greater centered near the epicenter of the Thursday morning earthquake on the coast of Ventura County.
An average of 234 earthquakes with magnitudes between 3.0 and 4.0 occur annually in California and Nevada, according to a recent sample of data over three years.
The earthquake occurred at a depth of 6.2 miles. Did you feel this earthquake? Remember to report what you thought to the USGS.
Even if you have not felt this little earthquake, you will never know when the Great will hit. Prepare by following our five-step earthquake preparedness guide and building your emergency kit.
The first version of this story was automatically generated by Quakebot, a computer application that monitors the latest earthquakes detected by the USGS. A Times editor reviewed the article before it was published. It was then updated by a Times reporter. For more information about the system, see our list of frequently asked questions.