Friday, March 9, 2012

Investigation Says Fracking Caused Ohio Earthquakes

Fracking well, Parkman, OHAn investigation by Ohio authorities has definitely linked hydraulic gas fracking with a series of earthquakes in the Youngstown region:
A preliminary report released by the Ohio Department of Natural Resources on Friday based the conclusion on "a number of coincidental circumstances." Factors included the opening of D&L Energy's well in December 2010, quakes being clustered around the well bore, a fault since identified in the bedrock, and evidence from monitoring.

The state will impose tough new brine disposal regulations as a result. Future injection into Precambrian rock will be banned and state-of-the-art pressure and volume monitoring will be required. Electronic tracking systems will be required to identify chemicals in the fluids entering the state.
The U.S. Geological Survey has FAQs on earthquakes caused by fracking.
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