PALM SPRINGS (CBS / AP) — A moderate earthquake hit the Palm Springs area early Friday and was felt across parts of Southern California, but there were no immediate reports of damage.

The U.S. Geological Survey says the magnitude 5.2 temblor struck at 1:04 a.m. PDT and was centered about 20 miles south of Rancho Mirage.

READ MORE: Splash Brothers Shoot Warriors Past Timberwolves 124-115

USGS geophysicist Amy Vaughan says that the shallow quake touched off a series of smaller aftershocks, registering between 2.6 to 3.6.

She says that the initial tremblor was strong enough to likely have woken people up.

READ MORE: Woman Found Dead During Visit With Friends at Home in Rohnert Park

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

Facebook and other social media sites carried posts from people in San Diego and Los Angeles, about 100 miles to the west, reporting that they felt it.

Rancho Mirage is in Riverside County about 10 miles south of Palm Springs.

MORE NEWS: San Francisco Bayview District Native Unites Faith-Based Community to Help Others

© Copyright 2016 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed.