A magnitude 4.6 earthquake struck Southern California late Friday night, according to the U.S. Geological Survey.
The earthquake hit around 11:40 p.m., about 3 kilometres outside of South El Monte, near Los Angeles, the agency reported. Preliminary reports indicate it was about 18 kilometres deep.
There were no immediate reports of damage or injuries.
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Officials warned residents to be prepared for possible aftershocks.
The epicenter of Friday night’s earthquake was close to the location of the Whittier Narrows earthquake in 1987, which was a magnitude 5.9, seismologist Lucy Jones tweeted. The Whittier Narrows earthquake killed eight people.