Flagler County emergency operations chief Troy Harper says his center received at least a dozen calls from residents who reported feeling the rumbling Friday morning.

Emergency management officials are investigating, but federal officials already have ruled out an earthquake since there was no seismic activity in the area at the time.

Harper says no damage was reported.

Residents’ reports came primarily from the northeastern part of the county.

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Here is the recorded sound from a very concerned family during this time .. from all the explanations given for this sound .. it could also be an atmospheric disturbance of a very large craft passing slowly over head …

A giant craft either cloaked or there in the celestial reality outside our viewing frequency …