Loud noise heard in Southern Illinois Saturday afternoon has residents puzzled Social media was abuzz this weekend following what is begin described as a “loud boom” that was heard all over Southern Illinois Saturday. The source of the noise is unknown and, according to some, has been recurring for the past several weeks. Loud and mysterious booms are being heard and felt around the region. For more than a month, the noise has been compared to a sonic boom, tannerite, shotgun, dynamite or cannon. The theories surrounding the source of the “loud bangs” range from fracking to supersonic jets, meteors...