Heard a Boom? Could Be Construction Blasting

Two "booms" heard in the Limerick area could be connected to construction at SCI Graterford.

Reports from readers had Patch curious about the cause of several loud explosion-like sounds heard in the area in the last week.  It wasn't an Earth-shattering kaboom caused by an Illudium PU-36 Explosive Space Modulator. However, the explosion sounds might be connected to the large-scale construction going on at SCI Graterford.  The first one was last Friday, around 1pm. Patch contacted the United States Geological Survey, the group responsible for tracking earthquake activity, but the USGS said no earthquake activity had been reported in our area.  A second boom was noticeably audible today, Thursday, also around 1pm. Facebook comments from readers indicate it was felt in many of the same areas as last week's boom.  Several Perkiomen …

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