Fracking-Earthquake Report Suggests Low Risk For Large Tremors

Fracking Diagram

Fracking Diagram

AP  |  By

WASHINGTON (AP) — The controversial practice of hydraulic fracturing to extract natural gas does not pose a high risk for triggering earthquakes large enough to feel, but other types of energy-related drilling can make the ground noticeably shake, a major government science report concludes.

Even those man-made tremors large enough to be an issue are very rare, says a special report by the National Research Council. In more than 90 years of monitoring, human activity has been shown to trigger only 154 quakes, most of them moderate or small, and only 60 of them in the United States. That’s compared to a global average of about 14,450 earthquakes of magnitude 4.0 or greater every year, said the report, released Friday.

Continue reading story at the Huffington Post

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