Archived British Columbias 4.6m Fracking Earthquake (cleantechnica.com)
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Posted by: Distinctlyavoidtruth
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Archived on: 2/12/2017 1:51:00 AM
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Archived British Columbias 4.6m Fracking Earthquake (cleantechnica.com)
submitted ago by Distinctlyavoidtruth
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[–] crotchcritters 0 points 14 points 14 points (+14|-0) ago
It shouldn't matter whether they are fracking an oil or natural gas well. What does matter is how seismically active the area is, especially at the depth they injecting. Think of fracking as a catalyst for earthquakes, not a sole cause. It can't cause earthquakes in seismically inactive areas but can lower the threshold for an event in active areas. This is why earthquakes caused by fracking are generally lower magnitude. These earthquakes are triggered prematurely, before the amount of energy needed for a naturally-occurring earthquake is built up. Source: Am a wellsite geologist.