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Three Earthquakes Rattle Texas So Far This Week

OLIVER BERG
/
DPA/LANDOV

It’s been a shaky week in Texas with two small earthquakes rattling the Dallas-Fort Worth area and another slightly more powerful quake detected in South Texas.

On Sunday, the first quake  struck near Arlington. It prompted some residents to call 9-1-1 after feeling their houses shake and hearing “explosions,â€� according to the.

Earthquakes are often something that has become a source of anxiety in newly quake-prone parts of the state.

The quake coincided with  that morning that left about a dozen homes without water. The City of Arlington tells StateImpact Texas that the water main break was not caused by the earthquake.

On Thursday, a second quake , this one measuring 2.9. It was  in Irving.

The South Texas quake was the strongest of the three. It and was centered about two miles southeast of Charlotte. It struck on Wednesday, but was not reported by the USGS until Thursday.

All three of the quakes happened in parts of the state with extensive oil and gas drilling activity.

Texas has seen a major increase in quakes since the current oil and gas drilling boom began. For example, the Dallas-Fort Worth region recorded virtually no quakes until 2008, around the time the fracking boom ramped up in the area.  have linked drilling activity with quakes.

Geologists believe many of the quakes are caused by  where liquid waste from drilling is pumped back underground. Others may be caused by the process of fracking itself.

The Railroad Commission of Texas, which regulates oil and gas in the state, is  for disposal wells that may guard against quakes. That process was initiated after  near the North Texas town of Azle captured public attention.

NOTE: This post was updated from the original version to include the City of Arlington's response to questions regarding the water main break.

Mose Buchele focuses on energy and environmental reporting at KUT. Got a tip? Email him at [email protected]. Follow him on Twitter @mosebuchele.
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