Fracking Can Cause Earthquakes, but So Can Oil and Gas Extraction

[Bok]

Geologists and politicians have been arguing for several years about whether hydraulic fracturing of shale to release natural gas can cause earthquakes . Finally, a comprehensive study released today by the National Research Council has settled the question: yes, fracking can. The number of earthquakes linked to fracking operations is very small, however; many more temblors are linked to conventional oil and natural gas extraction.
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