A magnitude-4.4 earthquake struck 2 miles south-southwest of Devore, California, and 48 miles east of Los Angeles on Tuesday night, the U.S. Geological Survey said.
The quake was initially recorded as a 4.3.
There have been no reports of damage so far, but the Los Angeles Fire Department said it was in "earthquake mode."
The M4.4 at Devore is near intersection of San Andreas & San Jacinto faults— Dr. Lucy Jones (@DrLucyJones) December 30, 2015
The quake occurred shortly before 6 p.m. PST and at least three aftershocks have been reported. The region of the earthquake has had nine earthquakes with a magnitude of 4 or greater since 2005 - a pretty active part of Southern California, said USGS seismologist Dr. Lucy Jones.
The National Tsunami Warning Center said there was no tsunami threat.
#Earthquake preparedness is essential for CA residents (chart: https://t.co/YjIBGCw3Nc) #AreYouReady pic.twitter.com/hcoKXHsYI9— LA County Sheriff's (@LASDHQ) December 30, 2015