Owasso Progress

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October 13, 2010

Earthquake felt in Owasso

NORMAN — A 5.1-magnitude earthquake near Norman spawned reports of shaking across Tulsa County this morning.

The Owasso Fire Department said no damage was reported as of late Wednesday afternoon.

The U.S. Geological Survey, the National Weather Service in Norman and the Norman-based Oklahoma Geological Survey confirmed the earthquake struck Slaughterville, Okla., 10 miles east of Norman.

“That’s a big jolt,” Connie Smith of the Oklahoma Geological Survey said. “The floor buckled up and down, the double doors were jolting, people’s chairs were rolling.”

The epicenter was eight miles north of Slaughterville at 9:06 a.m., according to Pete Snyder, meteorologist for the National Weather Service.

The depth of the quake was at 3.1 miles below the surface. Officials originally estimated it as a 4.5 magnitude quake.

According to the Oklahoma Geological Survey, the number of earthquakes felt in 2009 and 2010 are unusual. The frequency of earthquakes has temporarily increased in Oklahoma, these earthquakes do not appear to be inconsistent with what might be called normal seismicity for Oklahoma.

“These earthquakes that occur in Oklahoma and Arkansas are fairly shallow earthquakes compared to what might occur on the Pacific rim,” said Snyder.

Oklahomans have been feeling mostly Arkansas based earthquakes recently, said Snyder.

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