Live in Daytona Beach, Florida? Feel a few rumbles this past Saturday afternoon?

If you did, guess what? It wasn’t the old man in the sky “gettin’ down”, or Mother Nature flipping the switch on her washing machine — i.e. an earthquake (despite the fact that seismometers detected one that registered 3.7 on its magnitude gauge).

Truth be told, it was a man-made explosion detonated by the United States Navy in an effort to test “the seaworthiness” of a brand spanking new vessel.

According to reports, the kablooey took place approximately 170 nautical miles off the coast.

This from the Associated Press:

The Daytona Beach News-Journal 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 July 16 and July 20.

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

Six months ago, similar vibrations were felt in New York and New Jersey, and the military was the culprit as well. Only that time, it was an F-35 that generated the ruckus, not an explosive.