An earthquake with a 5.2 preliminary magnitude was reported near Julian, California on April 14, according to the U.S. Geological Survey. Several smaller-magnitude earthquakes have also been reported in the area located roughly 60 miles northeast of San Diego, starting shortly after 10 a.m. local time.

A strong earthquake centered in San Diego County gave Southern California a rattle on Monday morning. According to preliminary reports from the U.S. Geological Survey, the quake measured a magnitude of 5.2; that number may change as the USGS gathers more accurate data.

A 3.5 magnitude earthquake struck near Julian in San Diego County Sunday afternoon, and experts are now monitoring for any aftershocks.