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Earthquakes Induced by Hydraulic Fracturing in Poland Township, Ohio

Felt seismicity induced by hydraulic fracturing is very rare, with only a handful of reported cases worldwide. Using an optimized multistation cross‐correlation template‐matching routine, 77 earthquakes were identified in Poland Township, Mahoning County, Ohio, that were closely related spatially and temporally to active hydraulic fracturing operations. After all investigation, it appears the hydraulic fracturing induced slip along a pre‐existing fault/fracture zone optimally oriented in the regional stress field.

Bibliography:
Robert J. Skoumal, Michael R. Brudzinski, and Brian S. Currie
Earthquakes Induced by Hydraulic Fracturing in Poland Township, Ohio
Bulletin of the Seismological Society of America February 2015 105:189-197; published ahead of print January 6, 2015

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