A report by the US National Research Council has found that fracking can cause earthquakes, but the controversial process is not a major risk factor for quakes that are actually strong enough for people to feel.
Fracking is a process where highly-pressurised liquid is pumped deep below ground, fracturing great veins in the rocks. Oil and natural gas seeps out, which can then be harvested. It's a contentious process, but it offers the potential to unlock vast quantities of fuel.
By: Mark Brown, Edited by: Duncan Geere
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via Wired.co.uk
http://www.wired.co.uk/news/archive/2012-06/18/fracking-quakes
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