Chris Hayward

SMU seismology team to cooperate with state, federal scientists in study of May 7 Venus, Texas earthquake

SMU’s seismology team was not surprised by the magnitude 4.0 earthquake that occurred near Venus, Texas, recently, having been aware of multiple smaller earthquakes identified nearby in recent months.

The team has recommended to state lawmakers a permanent regional network of monitors, supplemented by portable instruments, to deploy in a time-sensitive manner. Continue reading

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WFAA 8 ABC: Geologists release details of Azle earthquakes study

WFAA 8 ABC news reporter Byron Harris reported on the SMU-led team of seismologists whose recent study found that large volumes of wastewater injection combined with saltwater (brine) extraction from natural gas wells is the most likely cause of earthquakes near Azle, Texas, from late 2013 through spring 2014.

The study published in Nature Communications.

WFAA aired the segment April, 21, 2015. Continue reading

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Dallas Morning News: Azle earthquakes likely caused by oil and gas operations, study says

Azle, earthquakes, fracking, injection, faults, SMU, Modelled pressureScience journalist Anna Kuchment with The Dallas Morning News covered the research of an SMU-led team of seismologists whose recent study found that large volumes of wastewater injection combined with saltwater (brine) extraction from natural gas wells is the most likely cause of earthquakes near Azle, Texas, from late 2013 through spring 2014. Continue reading

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Most likely cause of 2013-14 earthquakes: Combination of gas field fluid injection, removal

Azle, earthquakes, fracking, injection, faults, SMU, Modelled pressureAn SMU-led seismology team finds that high volumes of wastewater injection combined with saltwater (brine) extraction from natural gas wells is the most likely cause of earthquakes occurring near Azle, Texas, from late 2013 through spring 2014.

The seismology team identified two intersecting faults, and developed a sophisticated 3D model to assess the changing fluid pressure within the rock formation. Continue reading

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Houston Chronicle: New data shows North Texas fault line

Houston Chronicle, earthquakes, SMU, DeShon, StumpJournalist Dylan Baddour covered the recent interim report about the research findings of Southern Methodist University’s seismology team surrounding a recent series of earthquakes in the Irving, Texas area.

His Houston Chronicle report, “New data shows North Texas fault line,” covered the preliminary findings. Continue reading

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WFAA Channel 8: SMU study — Quakes shallow, concentrated at fault line

SMU, earthquakes, Irving, WFAA, Channel 8, Byron Harris, Heather DeShon, Brian StumpWFAA Channel 8 reporters Byron Harris and Marjorie Owens covered the recent interim report about the research findings of Southern Methodist University’s seismology team surrounding a recent series of earthquakes in the Irving, Texas area.

The Channel 8 report, “SMU study: Quakes shallow, concentrated at fault line,” covered a briefing with the press on Friday, Feb. 6, 2015. Continue reading

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Dallas Morning News: Remap of Dallas-area quakes shows fault closer to fracking wells than thought

Dallas Morning News, SMU, earthquakes, Irving, Anna Kuchment, Heather DeShon, Brian StumpScience journalist Anna Kuchment covered a recent interim report on the research findings of SMU’s seismology team surrounding a recent series of earthquakes in the Irving, Texas area.

Kuchment’s Dallas Morning News article, “Remap of Dallas-area quakes shows fault closer to fracking wells than thought,” covered a briefing with the press on Friday, Feb. 6, to explain progress on the team’s earthquake research. Continue reading

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SMU analysis of recent North Texas earthquake sequence reveals geologic fault, epicenters in Irving and West Dallas

Locations of seismic instruments as of Jan. 30, 2015, with revised earthquake locations in dark red. (USGS)Initial results from the seismology team at Southern Methodist University reveal that a recent series of earthquakes near old Texas Stadium in the Dallas-Fort Worth area were relatively shallow and concentrated along a narrow two-mile line that indicates a fault extending from Irving into West Dallas. SMU and the United States Geological Survey have shared an interim report with the mayors of Dallas and Irving. Continue reading

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SMU Daily Campus: SMU seismologists investigate cause of North Texas earthquakes

SMU Heather DeShon earthquakes seismologyJournalist Jehadu Abshiro of the SMU Daily Campus covered the research of SMU seismologist Heather R. DeShon.

DeShon is leading the effort to trace the source of a recent sequence of small earthquakes in North Texas and any relationship they may have to the injection of waste water by energy companies using shale gas production to recover gas.
Continue reading

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