States With Fracking See Surge In Earthquake Activity

Posted by Mike Confino, July 15, 2014

frack

States where hydraulic fracturing is taking place have seen a surge in earthquake activity, raising suspicions that the unconventional drilling method could be to blame, especially the wells where the industry disposes of its wastewater.

Fracking generates vast amounts of wastewater, far more than traditional drilling methods. The water is pumped into injection wells, which send the waste thousands of feet underground. No one knows for certain exactly what happens to the liquids after that. Scientists wonder whether they could trigger quakes by increasing underground pressures and lubricating faults.

Oklahoma has recorded nearly 250 small-to-medium earthquakes since January, according to statistics kept by the U.S. Geological Survey. That’s close to half of all the magnitude 3 or higher earthquakes recorded this year in the continental United States.

via States With Fracking See Surge In Earthquake Activity.

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  3. Brian Wolfsohn Says:

    no surprise here..

  4. Betsy Winkler Nolan Says:

    Betsy Winkler Nolan liked this on Facebook.

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