Fracking caused earthquakes in existing faults in Ohio, study says
By Don Hopey / Pittsburgh Post-Gazette A new scientific study has linked 77 minor earthquakes last March around Poland, Ohio, just across the Pennsylvania-Ohio state line, to hydraulic fracturing. The seismic sequence, including a rare “felt” quake of a magnitude 3.0 on the Richter Scale, was linked to active “fracking” by Hilcorp Energy Co. on … Read more