OH: Scientist believes drilling injections set off Youngstown earthquakes

posted by
January 2, 2012
Pittsburgh Tribune-Review    
Posted in News

"Injecting drilling wastewater and other brine deep underground probably caused several earthquakes near Youngstown in 2011, according to a scientist who is helping Ohio study the tremors. Eastern Ohio had 11 earthquakes since March, and their pattern and power isn't normal for the region or natural quakes, said John Armbruster, a seismologist at Columbia University." (01/02/12)


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