Latest earthquakes in Oklahoma were in the STACK play

Two small earthquakes that struck Saturday night in the heart of Oklahoma’s STACK play are under investigation by the U.S. Geological Survey and other authorities.

The quakes each measured 3.1 in magnitude and struck less than two miles apart near Watonga.

The first quake was detected at 6:38:10 and was centered 7.6 miles west-northwest of Watonga and 50.2 miles southwest of Enid, according to the USGS. The quake had a depth of 3.3 miles. The second quake struck 2 seconds later 7.3 miles west-northwest of Watonga and 50 miles southwest of Enid. It was 4.2 miles deep, according to USGS.

At least 41 quakes measuring a magnitude 3.0 or more have been recorded in the state this year.  In 2018, there were 128 and in 2015, the number of such earthquakes totaled 644.

The earthquake activity prompted the Oklahoma Corporation Commission to become deeply involved in monitoring the quakes in the oil and gas regions of the state.

 

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