When a 5.2 magnitude earthquake hit Southern California on Monday, humans followed the usual drill: drop, cover and hold on.

California was hit by multiple earthquakes on Wednesday, just days after a major 5.2 magnitude quake rocked the state.

A 5.2 magnitude San Diego earthquake jolted Southern California Monday morning, with the epicenter near the mountain town of ...

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 ...

The earthquake had a preliminary magnitude of 5.2 and was near the mountain town of Julian, east of San Diego, according to ...

A preliminary 6.0-magnitude earthquake struck near San Diego, according to the U.S. Geological Survey. The quake's epicenter ...

A herd of elephants at the San Diego Zoo acted on instinct and formed an “alert circle” around their young to protect the calves against the earthquake that rattled Southern California on Monday, ...

A 5.2-magnitude earthquake rumbled through Southern California Monday morning, causing minor damage in areas outside San Diego and triggering ShakeAlert warnings to countless cell phones.

A herd of African elephants instinctively circled their young in a protective huddle as a 5.2 magnitude earthquake near the ...

A magnitude 5.2 earthquake near Julian rattled much of Southern California and Tijuana just after 10 a.m. Monday, prompting ...

The quake prompted school children in San Diego County to get under their desks for cover. Some people who felt the quake say ...