NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined
Green Car Congress
JUNE 17, 2012
Schematic diagram of a shale gas well following hydraulic fracture treatment, with the relative depths of local water wells shown for scale. Earthquakes attributable to human activities are called “induced seismic events” or “induced earthquakes.” Source: NAS, adapted from Southwestern Energy Click to enlarge.
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