Roy M. Huffington Department of Earth Sciences

Richest marine reptile fossil bed along Africa’s South Atlantic coast is dated at 71.5 mya

Angola, SMU, Strganac, Projecto PaleoAngolaPaleontologists at Southern Methodist University have measured the carbon isotopes in marine fossils from Bentiaba, Angola to precisely date for the first time 30 million years of sediments along Africa’s South Atlantic shoreline.

They dated the richest marine reptile fossil bed along Africa’s South Atlantic to 71.5 million years ago. Continue reading

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Satellite view of volcanoes finds the link between ground deformation and eruption

Great Rift Valley in East Africa volcano upliftUsing satellite imagery to monitor which volcanoes are deforming provides statistical evidence of their eruption potential, according to a new study in Nature Communications.

The European Space Agency’s Sentinel satellite, launched April 3, should allow scientists to test this link in greater detail and eventually develop a forecast system for all volcanoes, including those that are remote and inaccessible. 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.
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Star-Telegram: Researchers say finding cause of Azle quakes will take time

MZxcE.St.58Journalist Jim Fuquay of the Fort Worth Star-Telegram 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.
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AP-NBC 5 DFW: Reasearch Conducted to Determine the Cause for Texas Earthquakes

The Associated Press 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.
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KERA: What’s Causing Quakes? SMU Scientists Aim To Finish Seismic Study In Two Years

Journalist Doualy Xaykaothao with KERA public radio covered the research of SMU seismologist Heather R. DeShon.

SeismicMonitor1_0DeShon 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.
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DMN: SMU earthquake, drilling findings are years off

HSJ_5770_35677124Journalist James Osborne with the Dallas Morning News covered the research of SMU seismologist Heather R. DeShon, who 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.
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The Texas Tribune: Surprise quakes stir up Tarrant County residents

bucolic azle texas daniel jamesJournalist Jim Malewitz with The Texas Tribune tapped the expertise of SMU geophysicist Brian Stump, whose research has looked at the operation of saltwater injection disposal wells and small earthquakes that have occurred in the Dallas-Fort Worth area.

Stump is Albritton Professor of Earth Sciences in SMU’s Dedman College. His research includes seismic wave propagation, seismic source theory, shallow geophysical site characterization, and characterization of explosions as sources of seismic waves.
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SMU scientists to deploy seismic monitors in North Texas region near Azle, Texas

azle_txSeismologists from SMU will deploy a variety of seismic monitors in and around Azle, Texas, to study the recent burst of small earthquakes that have been occurring in the area northwest of Fort Worth.

The first group of instruments, four digital monitors provided by the U.S. Geological Survey (USGS), will be deployed as early as this week to monitor the burst of seismicity that has been occurring in the area since early November. The USGS NetQuakes instruments are designed to be installed in private homes, businesses, public buildings and schools with an existing broadband connection to the internet, and data from those monitors will be available online.
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