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Showing Original Post only (View all)Fracking causes earthquakes, studies confirm [View all]
Last edited Tue Apr 17, 2012, 09:09 PM - Edit history (1)
Source: Canadian Press
Two separate studies are providing insights into the earth-shaking consequences of the controversial gas extraction process known as fracking.
Both studies confirm that hydraulic fracturing, or fracking, can trigger manmade earthquakes. The process involves blasting water, sand and chemicals deep into the ground to fracture rock to obtain oil and natural gas.
Energy companies are increasingly using the technique across Canada, where there is already regular seismic activity and an ever looming threat of various sized tremors.
The U.S. Geological Survey is set to release its findings Wednesday that a "remarkable" increase of quakes in the U.S. midcontinent since 2001 is "almost certainly" the result of oil and gas production.
Read more: http://www.cbc.ca/news/canada/story/2012/04/17/environment-fracking-earthquake-studies.html