The loud unknown booms were heard across the world in 46 locations in this year. NASA does not know from where the sound occurred. From Australia to East Midlands and its majority was heard in America's eastern coast in this year. These loud mysteries noise scared the residents in US. As per the reports, the last heard boom is around 9 pm on Monday which was heard as 'Bama Boom'. It had originated in northwest side of Lochbuie.
The experts and even NASA cannot figure out the sources of these noises. It is suggested that the noises may be from supersonic aircraft or meteors explode in the space.
It was reported that some people saw the blue meteor passing across the sky when they heard the boom on October. It was said to be big flash with sparks coming from it.
On Nov 15th, these booms were heard across many countries. San Diego of United States, Nottingham city of Enland, Michigan, Lapland, St Ives, Swansea, Alabama and Yorkshire these boom sounds are heard.
National Weather Service Birmingham Alabama tweeted "Re: loud boom heard: we do not see anything indicating large fire/smoke on radar or satellite; nothing on USGS indicating an earthquake. We don't have an answer, and can only hypothesize with you. 1) sonic boom from aircraft; 2) meteorite w/ current Leonid shower?