Loud 'boom' heard across Mobile & Eastern Shore triggers seismographs

(WPMI) Seismograph data from the University of South Alabama clearly shows a 'spike' around 2:05 Thursday (WPMI)


People from Mobile and Daphne to Grand Bay and Point Clear reported feeling and hearing a loud 'boom' or tremor across the area Thursday afternoon.

Around 2 p.m. Mobile Fire-Rescue received calls reporting an explosion, but after searching they couldn't find any evidence of an explosion or smoke.

Dr. Ale Beebe at the University of South Alabama told NBC 15 News that the event, whatever it was, registered on their seismographs (scientific instruments that measure tremors on the ground) as illustrated in the image above.

The BRAL seismometer in Brewton, AL also picked up the event, as seen in the image above.

A tweet by NASA indicated that the "boom" could have been from aircraft travelling at super sonic speeds, but that is unconfirmed at this time.

NBC 15 News reached out to the Federal Aviation Administration (FAA), NASA, local and federal military agencies. We will continue to investigate the cause and will update as more information enters the newsroom.

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