Friday, December 13, 2013

Experts Eye Oil and Gas Industry as Quakes Shake Oklahoma

Oklahoma Quakes (Credit: Leonard Geophysical Observatory, Oklahoma Geological Survey) Click to enlarge.
Oklahoma has never been known as earthquake country, with a yearly average of about 50, most minor.  But in the past three years, the state has had thousands of quakes.

 Experts Eye Oil and Gas Industry as Quakes Shake Oklahoma
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