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Prior to that week, Cleburne, about 30 miles south of Fort Worth with a population of about 30,000, hadn't registered a single earthquake in its 142-year history.
“You can’t prove that any one earthquake was caused by an injection well,” says Frohlich. “But it’s obvious that wells are enhancing the probability that earthquakes will occur.” Injection wells are nothing new. It’s just that, with the increasing in fracking, we’ve been creating a lot more of them around the Barnett Shale region. The problems, as Frolich explained in to this NPR reporting project, arise when the wells are close to fault lines: [/ex The seismologist uses the analogy of an air hockey table to describe what’s going on. If the air is turned off, the puck won’t move even if you push it. But when you pump in the air, it moves easily. With disposal wells sending fracking waste water deep underground, liquid and pressure are migrating into a “stuck” fault. “It wants to move but it can’t,” Frohlich tells StateImpact Texas. “Until you pump fluids in there and it slips.” Over 6 millions gallons of fracking waste water a month was pumped into each of the wells near the epicenters examined in the study.
Originally posted by ashtonhz8907
Update very late but also a 3.1 four minutes later. USGS
Does that mean a separate earthquake or is that the aftershock? Based on coordinates that was 8 miles away(via road) putting it 11 miles from me, maybe this is why I didn't feel a second one?
Never mind guy above me beat me by 16 minutes.edit on 9/30/2012 by ashtonhz8907 because: (no reason given)
Originally posted by liveandlearn
reply to post by kennvideo
I would have expected it to be revised by now...interesting.
Looking at the link provided provided by DLH it was at MacArthur Rd and Rochelle. Don't know where Rochelle is but my son's apt. is less than 1/2 block off MacArthur.