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Powerful M5.7 quake blamed on oil industry — Felt across 14 states — Largest anywhere in central U.S. for years — Could be seen on doppler radar (PHOTO)

Published: March 26th, 2013 at 11:20 pm ET
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Associated Press, March 26, 2013: Powerful Oklahoma quake was caused by oil-drilling procedure, scientists say [...] felt for hundreds of miles in 14 states, according to the U.S. Geological Survey. It was the largest quake in the central part of the country in decades and largest in Oklahoma records [...] there was a slightly smaller quake in an old oil well used to get rid of wastewater, right along a fault line. That smaller quake triggered the bigger one [...]

Source: KOCO

Bloomberg, March 26, 2013: A 2011 Oklahoma earthquake has been tied by researchers to the disposal of wastewater from oil production [...] A series of quakes in November 2011 followed an 11-fold bump in seismic activity across the central U.S. [...] The wastewater that triggered the earthquakes came from conventional wells [...] The 5.7-magnitude earthquake near Prague, Oklahoma, on Nov. 6, 2011, was the state’s biggest [...] The state’s geological survey disagreed with the finding, and said it was likely “the result of natural causes.” [...]

See also: Did you know earthquakes can be seen on radar?

Published: March 26th, 2013 at 11:20 pm ET
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14 comments to Powerful M5.7 quake blamed on oil industry — Felt across 14 states — Largest anywhere in central U.S. for years — Could be seen on doppler radar (PHOTO)

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