(March 7, 2017, 3:16 PM EST) -- HARRISBURG, Pa. — The Pennsylvania Department of Environmental Protection (DEP) on Feb. 17 released a report on recent seismic activity in Pennsylvania related to hydraulic fracturing activity, concluding that there is a “marked temporal/spatial relationship between fracking/stimulation activities” at a particular hydraulic fracturing well site and seismic events that were felt in Pennsylvania and Ohio in 2016....