A 5.2-magnitude earthquake shook Southern California on Monday morning, sending boulders tumbling onto rural roadways outside San Diego, items rattling off shelves and elephants at the San Diego Zoo Safari Park scrambling to encircle their young.

A 5.2 magnitude earthquake shook Southern California on Monday, according to the U.S. Geological Survey. The quake was centered in San Diego County but was felt as far north as Los Angeles. No injuries or damage have been reported,

An earthquake with a 5.2 preliminary magnitude was reported near Julian, California on April 14, according to the U.S. Geological Survey. Several aftershocks of lesser magnitudes were also reported in the area located roughly 60 miles northeast of San Diego,