Industrialized Cyclist Notepad


Fracking waste-water injection well caused 12 earthquakes in Ohio

Linked by too-strong circumstantial evidence.

The 12 Youngstown quakes, ranging in magnitude from 2.1 to 4.0, all occurred in a cluster less than a mile from the well and about 2,500 feet below the well itself, according to the Ohio Seismic Network, a division of the ODNR.

The quakes began in March 2011, just three months after the well went into operation. The last quake occurred on Dec. 31, a day after the ODNR has ordered – and then watched – the shutdown of the well. State geologists and regulators had inspected the well 35 times from April 26 to Dec. 15, trying to connect the quakes with the injections.

“Geologists believe it is very difficult for all conditions to be met to induce seismic events,” the report noted. But “a number of coincidental circumstances appear to make a compelling argument for the recent Youngstown-area seismic events to have been induced.”

via Waste-water injection well caused 12 earthquakes in Ohio, investigation shows | cleveland.com.

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