Oklahoma Geological Survey

10:22 am
Wed June 18, 2014

Oklahoma coming to terms with unprecedented surge in earthquakes

Oklahoma native and Los Angeles Times reporter Hailey Branson-Potts looks at the rise of earthquakes in Oklahoma, which has already had twice as many earthquakes this year as in 2013.
When Austin Holland was being considered for his job as the sole seismologist at the Oklahoma Geological Survey in 2009, his interviewer posed a wry question: "Are you going to be able to entertain yourself as a seismologist in Oklahoma?" Back then, the state had a 30-year average of only two earthquakes of magnitude 3.0 or higher per year.
Earthquakes
7:29 am
Fri January 3, 2014

A Sharp Rise In Earthquakes Puts Oklahomans On Edge

Chad Devereaux cleans up bricks that fell from his in-laws' home in Sparks, Okla., in November 2011, after two earthquakes hit the area in less than 24 hours.
Sue Ogrocki AP

For the past three decades, Oklahoma averaged about 50 earthquakes a year. But that number has skyrocketed in the past few years. In 2013 — the state's most seismically active year ever — there were almost 3,000.

The quakes are small, and they're concentrated in the central part of the state, where the Erwins live.

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