The quake came during a cluster that saw over a dozen other earthquakes reported over a 24-hour period, the USGS map shows.
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 ...
MENDOCINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.5 magnitude quake occurred close to Boonville ...
The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...
The United States Geological Survey quickly deleted the alert, saying it had been sent in error. “This isn’t a good look,” ...
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