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Ohio Utica Shale

Hydraulic fracturing doesn't cause earthquakes, professor says

By Bob Downing Published: September 11, 2013

Cliff Frohlich told scientists gathered in Morgantown for a National Research Council forum in Morgantown, W. Va., that when quakes do happen, they're typically linked to the disposal of drilling fluids in underground injection wells.

And Frohlich says the vast majority of injection wells don't cause quakes, either.

Frohlich cited six earthquakes since 2008 in Texas, Arkansas, Colorado, Ohio and Oklahoma, ranging from magnitude 3.3 to magnitude 5.7.

He says that shows human-caused earthquakes are geographically widespread and geologically diverse, but rare considering the amount of petroleum produced and the amount of waste being disposed of.

Frohlich says it's still unclear why some injection wells cause earthquakes and others don't.


Read more here: http://www.star-telegram.com/2013/09/09/5146525/seismologist-fracking-doesnt-cause.html#storylink=cpy
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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.

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Allegheny Front, environmental public radio for Western Pennsylvania.