Fracking and Earthquake Risk | The Energy Collective

See on Scoop.itUtilityTree

Last week, new research published in Science discovered that earthquakes can trigger seismic activity near injection wells – activity that, according to the studies, was going to occur anyway.

UtilityTree‘s insight:

“[Study author] Van der Elst has clarified, saying that it is not that the larger quakes abroad caused the smaller quakes at injection sites, rather the larger quakes sent smaller ripples that the researchers detected and took as a warning sign that these areas, near injection well sites, were under stress and vulnerable to quakes. He says the larger Oklahoma earthquake and the Chilean disaster were not related and that the Oklahoma quake would have happened regardless. It is also worth noting that none of the study sites in this most recent report were receiving wastewater from fracking operations. (But previous studies have looked at such sites.) “It has implications for fracking,” Elst said. “If you dispose of fracking fluids on the timescale we studied [about a decade], you’d have to take that into account.

See on theenergycollective.com

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