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Old 10-18-2017, 09:53 AM
 
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Did anyone else in the Southport/Oak Island/BSL area hear a very loud boom last night about 8:00? It shook my house, and Facebook immediately lit up with dozens of reports from people in the area who heard (and felt) it. It was much louder than a typical Seneca Gun noise. I'd love to know what caused it.
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Old 10-19-2017, 09:18 PM
 
Location: Edina, MN, USA
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Loud boom heard, felt in and around Southport, Oak Island - WECT TV6-WECT.com:News, weather & sports Wilmington, NC


They are talking about it on the facebook.com/groups/southport.nc.locals
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Old 10-20-2017, 08:07 AM
 
Location: Danville, VA
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Same thing happened in Winston-Salem earlier. No explanation was found for that one, either.

‘Ear-splitting boom’ was heard in Winston-Salem and the cause is a mystery | Charlotte Observer
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Old 10-20-2017, 09:09 AM
 
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One possibility is sonic booms. When I was in military service, we used to fly down there (over the water) in jet fighter training flights. I'm reasonably certain they still do. It didn't happen often, but some times we went supersonic inadvertently while maneuvering.

Walessp
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Old 10-20-2017, 12:03 PM
 
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The Orionid meteor shower is in progress. It could have been a meteor large enough to cause a sonic boom over water (sound can travel a long way over water). I presume its possible the same meteor could have been small enough that it burned up pretty quickly so there was no visible trail, or at least not for very long.

I have never heard a 'boom' I could attribute to a meteor but I have heard a 'sizzle' from meteor showers.

A quick search produced this:

" Large meteors frequently produce sonic booms which can be heard before they are slowed to below the speed of sound by Earth's atmosphere."

It was on the Internet so it must be true.

I also found this:

"Sonic booms from meteors are not a rare event, occurring a dozen times a year over the U.S."
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Old 10-20-2017, 12:07 PM
 
Location: Raleigh
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Quote:
Originally Posted by ditchoc View Post
<>I have never heard a 'boom' I could attribute to a meteor but I have heard a 'sizzle' from meteor showers.
Interesting. with sound travelling about 1000 feet per second and meteors burning up at 100,000 feet AGL, that's entirely possible. I have read people claim to hear similar sounds associated with the northern lights. Keep your ears and eyes open the next few days, eh?
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