Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County, the USGS says.

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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 ...

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A notification about a magnitude-5.9 earthquake in western Nevada near the California border was a false alert, the USGS said ...

An alert that notified Bay Area residents of a 5.9 earthquake Thursday morning in Nevada was deleted by the U.S. Geological ...

The United States Geological Survey said on Thursday its automatic earthquake detection system had erroneously sent out a ...

The U.S. Geological Survey (USGS) confirmed Thursday that alerts of a 5.9 magnitude earthquake in Nevada were a false alarm.

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USGS deleted a false alert that wrongly reported a 5.9 Nevada quake, saying no earthquake occurred and the cause of the error ...

The Shake Alert seismology team said they are now working to review the data, but that it appears the faulty alert might've ...