Mysterious Sonic Booms Being Reported Around the World - 11-25-17

https://nypost.com/2017/11/23/nobody-can-explain-loud-booms-heard-worldwide/
https://www.thesun.co.uk/news/4967499/world-powerful-booms-rattling-the-us-have-baffled-experts-with-some-blaming-supersonic-aircrafts/
 https://www.mnn.com/earth-matters/climate-weather/stories/mysterious-loud-booms-are-being-heard-around-world-and-no-one-knows-why