The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles away last week.

A notification about a magnitude-5.9 earthquake in western Nevada Thursday morning was a false alert, the USGS said. The quake alert generated by the ShakeAlert early warning system indicated an ...

A puzzling false earthquake alert sent Thursday morning to millions of California residents has left U.S. Geological Survey officials searching for answers about what triggered their sophisticated ...

The alert for a 5.9 magnitude Nevada earthquake was a false alarm, and the report was deleted from the online USGS quake list shortly thereafter.

Gov. Gavin Newsom and state lawmakers are pointing fingers at the federal government after a false alert went out to millions ...

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 ...

PASADENA, Calif. (KABC) -- Gov. Jerry Brown has called on California lawmakers to provide funds to get an earthquake early warning system up and running. Prototype warning systems have already been ...

CALIFORNIA, USA — An earthquake early warning system will soon be up and running on the West Coast. How much warning will it give us? What should you do when you hear the alert on your smartphone? And ...

California lawmakers are demanding more information on an early earthquake warning system managed by the U.S. Geological Survey after it issued a false alert last week that a magnitude-5.9 earthquake ...