NORTHRIDGE, LOS ANGELES (KABC) -- A 3.1-magnitude earthquake shook the Northridge area at 3:52 a.m., according to USGS.
Residents reported feeling shaking in Van Nuys, Hollywood, Studio City, Sherman Oaks and out to Simi Valley and Tujunga.
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"Earthquake" was the top trend on Twitter in Los Angeles shortly after the earthquake.