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.

LOS ANGELES (KABC) -- A 5.2-magnitude earthquake rumbled through Southern California Monday morning, causing minor damage in areas outside San Diego and triggering ShakeAlert warnings to countless ...

Add Yahoo as a preferred source to see more of our stories on Google. A phone in the San Francisco Bay Area receives a false alarm about a magnitude 5.9 earthquake that was purported to hit near ...

Phones buzzed in the San Francisco Bay Area shortly after 8 a.m. Thursday with an urgent call to drop, cover and hold for a 5.9-magnitude earthquake in Nevada, just east of Lake Tahoe - an earthquake ...

A federal spending bill signed includes $34.85 million for continued expansion of the ShakeAlert system, including into ...

OAKLAND, Calif. -- The 6.4 and 7.1 magnitude earthquakes that jolted Ridgecrest served as reminders of how unexpected and strong earthquakes can be. Seismologists are still processing the data ...

The magnitude 4.1 earthquake that stuck after 3 a.m. in the center of Olympic National Park is one of the strongest tests yet of the new ShakeAlert system in Washington. While not considered a ...

A rare false alert from the U.S. Geological Survey’s ShakeAlert system jolted phones across California on Thursday morning, warning of a major earthquake that never happened. The alert, issued just ...

This week, the U.S. Geological Survey and the nation commemorate the 30 th anniversary of one of the most destructive earthquake disasters in U.S. history – the 1989 Loma Prieta earthquake in northern ...

A phone in the San Francisco Bay Area receives a false alarm about a magnitude 5.9 earthquake that was purported to hit near Carson City, Nev., just after 8 a.m. Thursday. No earthquake actually ...