Starkey Citizens for a Clean & Healthy Environment
Increased Frequency of Earthquakes Linked to Fracking Wastewater Injection Wells

The increased rates of earthquakes occurring in the central and eastern U.S over the past few years is a growing cause of concern. Two recent reports delve into the probability of man-made, induced earthquakes.

According to the U.S Geological Survey (USGS), more than 300 earthquakes above a magnitude 3.0 occurred from 2010-2012, compared with a much lower national average rate of 21 earthquakes per year observed from 1967-2000. The USGS also found that the increase in seismic activity coincides with the injection of wastewater in deep disposal wells. Much of this is a byproduct of oil and gas production which uses the process of fracking for extraction. The fracking wastewater is disposed of into wells specifically designed and approved for this purpose.
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