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Fracking in England has not caused 'significant' quakes, study says

By Bob Downing Published: April 10, 2013

From Bloomberg News:

By Nidaa Bakhsh - Apr 9, 2013 7:01 PM ET

 

Hydraulic fracturing used to access oil and gas from rock and shale hasn’t caused “significant”earthquakes, according to a Durham University study.

“Hydraulic fracturing is not a significant mechanism for inducing felt earthquakes,” Richard Davies, director of the U.K. university’s energy institute, said today in a statement.“The size and number of felt earthquakes caused by fracking is low compared to other manmade triggers such as mining, geothermal activity or reservoir water storage.”

Cuadrilla Resources Ltd. drilling caused two tremors in 2011 in northwest England, leading to an 18-month moratorium on the method known as fracking, which uses water, chemicals and sand to blast underground rock and release trapped fuel.

The Durham study found fracking has the potential to reactivate dormant faults, according to today’s statement.

“We cannot see every fault underground and therefore cannot completely discount the possibility of the process causing a small felt earthquake,” Davies said. “But there are ways to further mitigate against the possibility; the oil and gas industry can avoid faults that are critically stressed and already near breaking point.”

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Ohio Department of Natural Resources' Division of Oil and Gas Resources Management State agency Web site.

ODNR Division of Oil and Gas Resources Management. State drilling permits. List is updated weekly.

ODNR Division of Geological Survey.

Ohio Environmental Protection Agency.

Ohio State University Extension.

Ohio Farm Bureau.

Ohio Oil and Gas Association, a Granville-based group that represents 1,500 Ohio energy-related companies.

Ohio Oil & Gas Energy Education Program.

Energy In Depth, a trade group.

Marcellus and Utica Shale Resource Center by Ohio law firm Bricker & Eckler.

Utica Shale, a compilation of Utica shale activities.

Landman Report Card, a site that looks at companies involved in gas and oil leases.FracFocus, a compilation of chemicals used in fracking individual wells as reported voluntarily by some drillers.

Chesapeake Energy Corp,the Oklahoma-based firm is the No. 1 driller in Ohio.

Rig Count Interactive Map by Baker Hughes, an energy services company.

Shale Sheet Fracking, a Youngstown Vindicator blog.

National Geographic's The Great Shale Rush.

The Ohio Environmental Council, a statewide eco-group based in Columbus.

Buckeye Forest Council.

Earthjustice, a national eco-group.

Stop Fracking Ohio.

People's Oil and Gas Collaborative-Ohio, a grass-roots group in Northeast Ohio.

Concerned Citizens of Medina County, a grass-roots group.

No Frack Ohio, a Columbus-based grass-roots group.

Fracking: Gas Drilling's Environmental Threat by ProPublica, an online journalism site.

Penn State Marcellus Center.

Pipeline, blog from Pittsburgh Post-Gazette on Marcellus shale drilling.

Allegheny Front, environmental public radio for Western Pennsylvania.