Fracking triggered a 4.4-magnitude earthquake in northeastern B.C. last year, CBC News has learned, making it one of world's largest earthquakes ever triggered by the controversial process.
Source:CBC | Business News http://ift.tt/1IfZTTk
Fracking triggered a 4.4-magnitude earthquake in northeastern B.C. last year, CBC News has learned, making it one of world's largest earthquakes ever triggered by the controversial process.
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