Magnitude 5.3 quake strikes off Southern California coast

LOS ANGELES, California -- A 5.3-magnitude earthquake struck near Channel Islands off the Southern California coast on Thursday, shaking large swaths of SoCal.

The temblor struck around 12:29 p.m. PT around 17.4 miles southwest of Santa Cruz Island, according to the U.S. Geological Survey.

The temblor was initially measured at 5.0 in magnitude. USGS upgraded it to 5.3 in magnitude a short time later.

Eyewitness News viewers reported feeling shaking in downtown Los Angeles, Koreatown and West Los Angeles.

There were no immediate reports of any injuries or damage.