Japan, Earthquake
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A magnitude 7 earthquake has rocked Alaska on Saturday, Dec. 6, according to the United States Geological Survey (USGS).
The quake came during a cluster that saw over a dozen other earthquakes reported over a 24-hour period, the USGS map shows.
SAN FRANCISCO – Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder – the U.S. Geological Survey is on the case and can almost immediately tell you whether there's been an earthquake nearby. You can also be ...
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 moments later, the survey announced the alert, which was sent to people as far west as San Francisco, was a false alarm.