The epicenter was located about 2 miles southeast of Ontario, near the Ontario International Airport.
A magnitude 3.8 earthquake struck the San Bernardino County area Thursday night, occurring at approximately 11:38 p.m., the United States Geological Survey (USGS) reported. KTLA reported.
The epicenter was about 2 miles southeast of Ontario, near Ontario International Airport, with a depth of about 7.4 miles.
Fortunately, there were no immediate reports of injuries or structural damage. While California frequently experiences numerous smaller earthquakes each year, incidents exceeding magnitudes 3.0 are not uncommon.
The California Department of Conservation notes that the most powerful earthquake recorded in the state measured 7.9 magnitudes and occurred at Fort Tejon on January 9, 1857.
Residents can use KTLA's interactive map to monitor the latest seismic activity in Southern California and provide their seismic expertise through the USGS Felt Report online.