Saturday, August 23, 2014
Fault lines, fracking fluid and hydraulic fracturing can all cause small-scale earthquakes, according to The Akron Beacon Journal.
In the United States, Harrison County, Mahoning County and Oklahoma are the only locations where fracking quakes have been detected. In Harrison County, several earthquakes occurred in late 2013. The earthquakes maintained about a 2.0 measurement or smaller on the Richter scale. Normally, quakes caused by fracking register as negative magnitudes.
The earthquakes could not be felt by people and did not cause any damage, but they have prompted a temporary ban on fracking within three miles of the epicenter of the Harrison County quakes.
From The Akron Beacon Journal:
“Monitoring earthquakes around a frack site through a seismic network will alert drillers and prevent larger positive magnitude quakes from occurring by allowing drillers to bypass zones that are causing smaller quakes.”
Via: The Akron Beacon Journal > Harrison County hit by positive magnitude fracking quakes in 2013
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