Fracking May Have Caused 50 Earthquakes in Oklahoma

Cuadrilla Resources, a British energy company, recently admitted that its hydraulic fracturing operations “likely” caused an earthquake in England. Predictably, this news quickly sent a shockwave through the U.K., the oil and natural gas industries, and the environmental activist community. And it certainly feeds plenty of speculation that the same phenomenon could be occurring elsewhere. Right on the heels of Cuadrilla’s announcement, news is spreading that the United States Geological Survey has released a report (pdf) that links a series of earthquakes in Oklahoma last January to a fracking operation underway there. Evidently, a resident reported feeling some minor earthquakes, spurring the USGS to investigate. They found that some 50 small earthquakes had indeed been registered, ranging in magnitude from 1.0 to 2.8. The bulk of these occurred within 2.1 miles of Eola Field, a fracking operation in southern Garvin County. http://www.care2.com/causes/fracking-may-have-caused-50-earthquakes-in-oklahoma.html

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