Monday’s magnitude 5.2 temblor marked another success for California’s earthquake early warning system, with users in some areas saying they received alerts on their phones before they felt shaking.

The magnitude 4.4 quake — centered near Highland Park on Monday — came with an early warning from California’s quake alert system. It was not immediately clear how many people got the alert. But it is ...

People from inland San Diego County to the Los Angeles County coast felt the earth move beneath them Monday morning when a magnitude-5.2 earthquake struck San Diego County. And, many received alerts ...

Telecom Fiji has entered a new partnership that will boost disaster preparedness by improving communication infrastructure ...

A flood warning system that was deemed too costly by the Texas county where last week’s rains killed at least 27 kiddie campers might have given the victims more of a fighting chance, experts told The ...

A screenshot of a Wireless Emergency Alert — similar to an Amber Alert — warning of incoming shaking. (Robert de Groot / U.S. Geological Survey) Monday's magnitude 5.2 temblor marked another success ...