Quake Tied to Oil-Drilling Waste Adds Pressure for Fracking Rules

Bloomberg: Scientists have linked Oklahoma’s biggest recorded earthquake to the disposal of wastewater from oil production, adding to evidence that may lead to greater regulation of hydraulic fracturing for oil and gas. The 5.7-magnitude quake in 2011 followed an 11-fold bump in seismic activity across the central U.S. in recent years as disposal wells are created to handle increases in wastewater from hydraulic fracturing, or fracking. Researchers at the University of Oklahoma, Columbia University and......

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