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Source: http://www.calgaryherald.com/news/Controversial+fracking+linked+earthquakes/5481341/story.html
Controversial gas 'fracking' may be linked to earthquakes
By Gordon Hoekstra, Postmedia News September 30, 2011
VANCOUVER ? B.C.'s energy regulator says it will investigate a link between hydraulic fracturing and new earthquake activity in the extreme northeastern corner of B.C.
Hydraulic fracturing, commonly called fracking, is a controversial natural gas extraction-technique where the rock is literally fractured by forcing water and chemicals underground at high pressure.
B.C. Oil and Gas Commission spokesman Hardy Friedrich said a recent examination of seismic survey data in northeastern B.C. showed the Horn River Basin area near Fort Nelson warranted a closer look...
Controversial gas 'fracking' may be linked to earthquakes
By Gordon Hoekstra, Postmedia News September 30, 2011
VANCOUVER ? B.C.'s energy regulator says it will investigate a link between hydraulic fracturing and new earthquake activity in the extreme northeastern corner of B.C.
Hydraulic fracturing, commonly called fracking, is a controversial natural gas extraction-technique where the rock is literally fractured by forcing water and chemicals underground at high pressure.
B.C. Oil and Gas Commission spokesman Hardy Friedrich said a recent examination of seismic survey data in northeastern B.C. showed the Horn River Basin area near Fort Nelson warranted a closer look...