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Gender: Female
Hometown: NE New York
Home country: USA
Current location: Serious Snow Country :(
Member since: 2003 before July 6th
Number of posts: 132,183

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Earthquake capital of continental U.S.: Oklahoma

Bill Whitaker reports on the high incidence of earthquakes in Oklahoma, where oil and gas production is injecting vast amounts of waste water into the earth.

Oklahomans are getting tired of the ground shaking under their feet. Last year, the state set a record for earthquakes with 907 registering a magnitude of 3 or more. It's causing anxiety, damage and residents to rethink one of the state's biggest industries -- oil and gas production -- which scientists say is causing nearly all the quakes. Bill Whitaker goes to Oklahoma, now the capital of earthquake activity in the continental U.S., to report the story for the next edition of 60 Minutes, Sunday, May 8 at 7 p.m. ET/PT.

"I woke up scared to death, praying that the house wouldn't fall down. I couldn't believe that the windows didn't shatter," says Melinda Olbert of a 4.3 quake in Edmund, Oklahoma, in December. She and Kathy Matthews, a friend and Edmund resident, are using smartphone apps to monitor the size and location of quakes around the state. "Cherokee, Enid, Fairview, Medford, Stillwater. All in one 24-hour period; one hour ago, one hour ago, two," Matthews tells Whitaker, who asks whether she is nervous. "It's no way to live. It's no way to live," she says.

Most of the quakes occurring on a daily basis are not as large as the one Olbert felt, but they can cause minor damage. The U.S. Geological Survey says earthquakes in Oklahoma have been rising steadily since 2009 with more than 2,000 of a magnitude of 3 or greater.

Mark Zoback, a professor of geophysics at Stanford University, says the seismic activity is a consequence of oil and gas industry production -- Oklahoma's biggest economic engine. "What we've learned in Oklahoma is that the earthquakes that are occurring in enormous numbers are the result of waste water injection," he says. Wells drilled for the commodities bring up waste water along with the oil and gas that must be disposed of. Well operators send it back down into the earth, deep below freshwater aquifers to a zone that sits on top of the granite basement that is rife with earthquake faults.

Read more: http://www.cbsnews.com/news/earthquake-capital-of-continental-u-s-oklahoma/
Posted by Rhiannon12866 | Sat May 7, 2016, 04:28 AM (4 replies)

Happy Sunday!!!

Posted by Rhiannon12866 | Sun May 1, 2016, 08:21 AM (2 replies)
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