
DAYTONA BEACH, Fla. (AP) — An apparent 3.7 magnitude earthquake off the coast of Florida was likely triggered by a man-made explosion to test the seaworthiness of a new U.S. Navy vessel. Seismographs detected the earthquake Saturday afternoon about 168 nautical miles northeast of Daytona Beach Shores. The Daytona Beach News-Journal (http://bit.ly/2a7apZl ) reports a similar 3.7 magnitude "earthquake" on June 10 off of Ormond-by-the-Sea happened about the same time the Navy reported conducting a shock trial on the USS Jackson for testing. The Navy notified the National Oceanic and Atmospheric Administration's National Marine Fisheries Service that another shock trial would be conducted between ...
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