CNN The Lead With Jake Tapper July 9, 2014 20:52:00
>> the the quake measured 5.7, the largest in modern oklahoma history. >> reporter: marla worries the source of the soerth wake is located not that far outside of town. right about here. >> an underground injection well where waste water from the states booming oil and natural gas production is pumped back into the the earth. oklahoma has roughly 10,000 of them. some scientists suggest the wells are destabilizing the states underlying network of fault, but any suggestion drilling and earthquakes...
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