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Quake it off: Navy testing cited for 'earthquake' off Daytona Beach

Explosion tests seaworthiness of new U.S. Navy vessel

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DAYTONA BEACH, Fla. – An apparent 3.7 magnitude earthquake off the coast of Central 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.

A similar 3.7 magnitude "earthquake" on June 10 off 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 July 16 and July 20.

The Navy's Sea System Command spokesman Dale Eng said the Navy is working on a statement to release this week.