Residents across Nevada and California were startled Thursday when their phones erupted with an earthquake alert warning of a powerful 5.9 magnitude. The US Geological Survey (USGS) issued the warning ...

The U.S. Geological Survey was still trying to unravel how an alert was sent Thursday morning for a nonexistent 5.9 earthquake outside Dayton, Nevada. A quake of that size wouldn't be implausible.

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 ...

The USGS initially reported a 5.9 quake near Dayton, Nevada about 8 a.m. Moments afterward, the USGS deleted the event. The USGS said the first alert was a mistake and they were looking into it.