Southern California Earthquake Felt in Los Angeles, San Diego

Residents across Southern California were woken early Friday by a 5.1-magnitude earthquake that rocked the region.

The United States Geological Survey said the earthquake struck around 60 miles northeast of San Diego and 110 miles southeast of downtown Los Angeles at 1:05 a.m. local time (4:05 a.m. ET).

The quake, which struck at a depth of less than 1 mile, was followed by three nearby aftershocks over the next three minutes measuring between magnitude 2.8 and 3.5, according to the USGS. Another two aftershocks of similar magnitudes were recorded over the next 40 minutes.

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The epicenter was around 13 miles north of Borrego Springs, which has a population of around 3,500. The local police department told NBC News there were no reports of damage.

The Los Angeles County Fire Department and the Riverside County Sheriff's office also said they had received no reports of damage.