USGS warns of connection between fracking and earthquakes

USGS warns of connection between fracking and...
The Mercury
The increasingly common practice of disposing of oil and gas drilling wastewater by injecting it underground can trigger earthquakes, according to federal scientists who studied quakes since 1970 in Colorado and neighboring states. Colorado authorities ...http://www.pottsmerc.com/article/20121204/NEWS04/121209789/usgs-warns-of-connection-between-fracking-and-earthquakes

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