The quake, whose epicenter was located offshore, struck at 7:03 a.m. and was centered about 13 miles west-southwest of Santa Monica, the USGS said.
"Really rocked our house," Veronique A. de Turenne said on Twitter, where her handle is @HereInMalibu.
Los Angeles resident and Twitter user @baebaespice described the magnitude 3.0 quake as "cute."
There were no immediate reports of injuries or damage.
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