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Quakes also triggered by wastewater disposal, finds oil and gas commission.
British Columbia’s shale gas fracking industry triggered more than 231 earthquakes or ”seismic events” in northeastern British Columbia between Aug. 2013 and Oct. 2014.
Some of the quakes were severe enough to ”experience a few seconds of shaking” on the ground in seven areas of the province on top of the large Montney shale gas basin.
The events, many of which occurred in clusters or swarms, showed that the regulation of the industry still lags behind the pace of drilling activity in the region.
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