An unusual ‘experimental explosion’ entry appeared on the government’s earthquake tracking website, sparking questions about the mysterious event.
The US Geological Survey detected a 3.9 magnitude earthquake east of Ponce Inlet, just south of Daytona Beach, at 3.04pm ET on Thursday.
The event was listed with a depth of 0 feet, indicating the seismic source was at or very near the surface, a characteristic more consistent with an explosion than a typical tectonic earthquake.
Meteorologist Nic Merianos with CBS Miami said on X that he has ‘never seen this before.’
A USGS spokesperson told the Daily Mail: ‘The recorded ground motions from this event
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