Fracking & earthquakes: an inescapable connection

August 23, 2011Did Fracking Cause the Virginia Earthquake?
Fracking, or hydraulic fracturing, is the process of initiating and subsequently propagating a fracture in a rock layer, employing the pressure of a fluid as the source of energy. The fracturing is done from a wellbore drilled into reservoir rock formations, in order to increase the extraction rates and ultimate recovery of oil and natural gasand coal seam gas.

How Fracking Causes Earthquakes

Horizontal drilling and multi-stage fracking (which extend fractures across several kilometres) were introduced in 2004.

The Research Evidence

http://www.huffingtonpost.com/2011/04/21/fracking-shutdown-earthquakes-arkansas_n_851930.html). Note that they didn’t stop entirely, which suggests that fault disruption may persist even after fracking stops.

http://www.hurherald.com/cgi-bin/db_scripts/articles?Action=user_view&db=hurheral_articles&id=43334).

According to a joint study by Southern Methodist University and University of Texas-Austin, earthquakes started in the Dallas/Fort Worth region after a fracking disposal well there began operating in 2008 and stopped when it was closed in 2009 (see http://www.watershedsentinel.ca/content/does-gas-fracking-cause-earthquakes).

Blackpool, England banned fracking immediately, without waiting to see if more earthquakes would occur.

The Need for Federal Action 

http://www.fracking-lawsuit.com/ who would be delighted to give you a free consultation.


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