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 United States Geological Survey quickly deleted the alert, saying it had been sent in error. “This isn’t a good look,” one earthquake expert said. By Erin ...

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

Two earthquakes of a 7.0 or greater magnitude have struck within days of each other in Alaska and Japan, prompting worries another big temblor could be on the way. The first quake hit in Alaska on Dec ...