For the last 8 weeks or so, strange loud booms have been heard by residents in many different towns and cities all across America. There is no apparent explanation for these bizarre booms, although earthquake swarms have been blamed by authorities in some cases.  It seemed to have ceased for a while, but then today Earthfiles reported more loud booms, this time in Boston and beyond.   “It sounded like there was an explosion in the basement that shook the whole house. …Stranger still (after booms), when we went down to the beach, there was a Black Hawk helicopter that was flying very low, (maybe only 100 – 200 feet in the air) along the beach making several passes.” – Puyallup, WA resident about…