Earthquakes decline in Oklahoma in 2012

The number of small Oklahoma earthquakes was down in 2012. There has been a significant increase in earthquakes in recent years, however.

 
BY ROBERT MEDLEY | Modified: February 9, 2013 at 1:42 am | Published: February 10, 2013   

The number of earthquakes in Oklahoma declined in 2012 after a two-year spike, said Austin Holland, a seismologist at the Oklahoma Geological Survey in Norman.

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Holland moved to Oklahoma to study the sudden swarm of earthquakes that started in late 2009.

Before the spike began, the state averaged about three reported earthquakes felt each year...
View full article on Oklahoman.com

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