People from inland San Diego County to the Los Angeles County coast felt the earth move beneath them Monday morning when a ...

Millions of people across Southern California learned about a 5.2-magnitude earthquake that hit San Diego County on Monday ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

Many users reported receiving alerts on their phones before Monday's magnitude 5.2 temblor in Southern California.

The temblor was centered near the San Diego County mountain town of ... Those alerts are sent through the Wireless Emergency Alert system, similar to Amber Alerts. One downside to relying on ...

The San Diego County ... of 5.0 or greater triggers widespread alerts to potentially affected areas via wireless emergency alerts, similar to Amber Alerts, according to the USGS.

Local authorities issued public alerts on Saturday regarding a phone service outage impacting some carriers in Southern California, including a disruption to 911 emergency call services.

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 ...