In Oklahoma, 7 quakes in 1 day rattle residents and lawmakers

Pump jacks and wells in an oil field.
(Image credit: David McNew/Getty Images)

In north-central Oklahoma, residents were left shaken Monday after at least seven earthquakes hit, including one jolt that was felt 300 miles away in Iowa.

State scientists say there is a link between the sharp increase in earthquakes in Oklahoma and oil and gas activity. There were just a few dozen quakes magnitude 3.0 or higher in 2012 compared with more than 720 so far this year, and several earthquakes are rattling areas where injection wells are pumping wastewater into the earth, The Associated Press reports. State regulators have asked disposal well operators to shut down their wells or have them reduce their volume, but State Rep. Cory Williams (D) said enough isn't being done to slow down the earthquakes. "The problem is we're being totally reactionary as opposed to proactive," Williams told AP. "We wait for a seismic event, and then we react to it, which is an abysmal policy for handling something that can cause catastrophic damage to property and/or life."

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Catherine Garcia, The Week US

Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.