The ShakeAlert computer system that warns about the imminent arrival of shaking from earthquakes sent out a false alarm Thursday morning for a magnitude 5.9 temblor in Carson City, Nev., that did not ...

Did your phone light up Thursday morning with an earthquake alert? Good news: There was no quake. The ShakeAlert early warning system that notifies people about earthquakes as they are occurring ...

A heads-up: your phone might be getting a loud earthquake test alert this morning. At least, you will if you’re one of the over 4 million Californians who have the MyShake earthquake warning app ...

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near Carson City in western Nevada could produce heavy shaking in the region. But ...