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Wednesday, August 14, 2013

Disposal of Marcellus Shale fracking waste caused earthquakes in Ohio

Disposal of Marcellus Shale fracking waste caused earthquakes in Ohio
Before January 2011, Youngstown, Ohio, had never had an earthquake since observations began in 1776. In December 2010, the Northstar 1 injection well came online, built to pump wastewater produced by hydraulic fracturing projects in Pennsylvania into storage deep underground. In the year that followed, seismometers in and around Youngstown recorded 109 earthquakes—the strongest of the set being a magnitude 3.9 earthquake on December 31, 2011. http://phys.org/news/2013-08-disposal-marcellus-shale-fracking-earthquakes.html#nwlt

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