Mystery Booms aka Skyquakes

2016 - F-35C Joint Strike Fighter jet created a "number of sonic booms"

2015 - tannerite in exploding firearm targets

2014 - U.S. Navy aircraft was conducting a supersonic flight

https://www. nbcnews.com/news/us-news/mysterious-sonic-boom-heard-south-jersey-n506111

http://www. wgal.com/article/police-solve-mysterious-boom-sound-in-lancaster-county-1/6235108

https:// patch.com/california/sanclemente/big-boom-sound-mystifies-orange-county