10 November 2011 | posted by Karel
An earthquake under shale gas prospects?
British gas company Cuadrilla Resources admitted last week that its “fracking” activities caused two (small) earthquakes in Blackpool earlier this year. They were 2.3 and 1.5 on the Richter scale and were described by Cuadrilla as “minor seismic events” and also due to an “unusual” combination of factors. In other words, nothing much too worry about. However, now comes news out of the US that the US government has confirmed a “link” between earthquakes and hydraulic fracturing. This time we are not talking about “minor events” but at least one earthquake measuring up to 5.6 on the scale of Richter in Oklahoma that was felt as far away as Illinois. Oops, looks like the energy industry has got another problem on its hands.
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