2013 felt the most earthquakes in state history, experts say

The state shook more times than ever with 222 earthquakes in 2013 that registered as a 2.5-magnitude quake or more, a record for Oklahoma, said Austin Holland, who is a seismologist who moved to the state to study quakes at the Oklahoma Geological Survey in 2009.
by Robert Medley Published: February 17, 2014

In November, a swarm of quakes was felt in the Arcadia Lake area in Edmond. More quakes are being reported in more populated areas, he said.

“We've had just a remarkable number of earthquakes,” Holland said.

He said a new seismologist has been hired at the Oklahoma Geological Survey, Amber Lee Darold, helping to find a reason for the earthquakes.

The cause of the increased seismic activity is under investigation.

“We're continuing to try to understand this and to keep up with the number of earthquakes,” Holland said.

When Holland moved to Oklahoma from Arizona there were 38 earthquakes of magnitude 2.5 or greater felt in 2009.

Then 104 earthquakes were felt in 2010 and 97 quakes in 2011, Holland said, before the number dropped to 64 in 2012.


by Robert Medley
Breaking News Reporter
Robert Medley has been a reporter for The Oklahoman since 1989, covering various news beats in the Oklahoma City metro area and in the Norman news bureau. He has been part of the breaking news team since 2008. A 1987 University of Oklahoma...
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