BOWLING GREEN – Several residents report hearing a loud boom just before 10:00 p.m. Monday around Plano and Alvaton, Kentucky. The source remains unknown. Kentucky State Police dispatched units to the area, but as of 11:55 p.m. Monday nothing had been found. – WBKO
Here a few reports from residents on Topix
anyone else just hear an extremely loud boom?, Went outside immediately after boom, did not see anything……..in plano, maybe a military aircraft passing mach 1?, and the funniest: Aliennssss!!!!!! The end is near, hide yo kids, yo wives and yo husbands!
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The sounds heard are the resulting shock waves from significant underground tunneling and excavations that are occurring in support of numerous government and DHS “safe bunkers”. There is a reason why they are being built. You are not on the invite list.
Here, I wrote something on a close subject: http://strangesounds.org/2013/03/mysterious-booms-is-the-us-army-already-constructing-his-giant-network-of-underground-tunnels.html