Reuters: Study raises new concern about earthquakes and fracking fluids

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Study raises new concern about earthquakes and fracking fluids

NEW YORK (Reuters) - Powerful earthquakes thousands of miles (km) away can trigger swarms of minor quakes near wastewater-injection wells like those used in oil and gas recovery, scientists reported on Thursday, sometimes followed months later by quakes big enough to destroy buildings.<img width='1' height='1' src='http://reuters.us.feedsportal.com/c/35217/f/654218/s/2e88e5c0/mf.gif' border='0'/><div class="feedflare">
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