(TNS) - California's earthquake early-warning systemis getting a seismic upgrade, one that will allow residents to receive more timely alerts about shaking from an incoming megaquake. The upgrade, ...

Most Californians know that sinking feeling. The ground shakes, jolting you to attention. For a split second, your mind considers the possibilities: A truck driving by? Someone dropping a heavy object ...

California’s earthquake early-warning system is getting a seismic upgrade, one that will allow residents to receive more timely alerts about shaking from an incoming megaquake. The upgrade, also ...

Add Yahoo as a preferred source to see more of our stories on Google. A screenshot of a Wireless Emergency Alert — similar to an Amber Alert — warning of incoming shaking. (Robert de Groot / U.S.

With the unpredictable and destructive nature of earthquakes, a few extra seconds of notice can make all the difference in the world. That’s why the California Office of Emergency Services is ...

Add Yahoo as a preferred source to see more of our stories on Google. Smartphone apps sent simultaneous alerts to millions of Californians on Tuesday evening, warning them to brace for incoming ...