It is strange that this sort of thing is being reported in numerous places.
http://www.newsweek.com/mystery-booms-recorded-around-country-unclear-why-721533
The other night 2 am my walls shake like as if under a shock wave from a distant EOD detonation like in Iraq. I perk up wondering if it really happened in a sort of flash backing, and sure enough another one even more forceful happen.
Someone once posted as a joke:
Hell is enlarging herself, Isaiah 5:14