Low-Level Earthquake 6 Miles from Plum Boro Injection Well

Just coming to light now, more than a month after it happened, the Pennsylvania Department of Environmental Protection (DEP) is investigating whether there is any connection between a low-level earthquake ("seismic event") near Murrysville in Westmoreland County, PA, and the Penneco Environmental Solutions LLC Sedat 3A injection well in Plum Borough in Allegheny County. Operators of injection wells in PA are (usually) required to maintain on-site seismometers. On Feb. 7, the seismometer at the Penneco Sedat 3A site registered a "seismic event" about six miles away near Murrysville.

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