Mild earthquake startles north Texans

DALLAS – Four earthquakes that rumbled across North Texas on Tuesday were centered in nearly the same location in Irving, the United States Geological Survey confirms.

Two of the quakes, one of them magnitude-2.9 and the other magnitude-2.7, occurred within seconds of each other at about 8:11 p.m. One was located along Loop 12 at State Highway 114 while the other was just south of State Highway 183 at the Trinity River.

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Those followed a magnitude-3.6 earthquake at 6:52 p.m. and a magnitude-3.5 earthquake at 3:10 p.m., also both in Irving near the former site of Texas Stadium.

NBC 5 viewers reported feeling each of the quakes across Dallas, Tarrant and Collin counties.

The USGS listed the quakes as MMI V on the Modified Mercalli Intensity Scale, which indicates they had the strength to be felt by nearly everyone, wake those sleeping, break windows and dishes and to overturn unstable objects.

Tuesday's earthquakes were centered in an area where about 20 quakes have been recorded since October 2014.

Prior to Tuesday, the largest magnitude quake to occur in the Irving area since October 2014 had been a 3.3-magnitude quake on Nov. 22. The most recent was a 2.4 MMI III at 8:29 p.m. New Year's Day.

A researcher from Southern Methodist University and his team are studying the source of the Irving quakes and are trying to learn if they are induced or if they are simply the result of natural, believed to be dormant, fault lines in the area.

As of this writing, no damage has been reported.

Editor's Note: This article was written by Frank Heinz and was provided courtesy of nbcdfw.com. Click here to see the original article.


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