The Dallas‐Fort Worth Airport Earthquake Sequence: Seismicity Beyond Injection Period

The 2008 Dallas‐Fort Worth Airport earthquakes mark the beginning of seismicity rate changes linked to oil and gas operations in the central United States. We assess the spatial and temporal evolution of the sequence through December 2015 using template‐based waveform correlation and relative locati...

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Bibliographic Details
Published in:Journal of geophysical research. Solid earth 2018-01, Vol.123 (1), p.553-563
Main Authors: Ogwari, Paul O., DeShon, Heather R., Hornbach, Matthew J.
Format: Article
Language:English
Subjects:
Airports
Brines
Dallas‐Fort Worth Airport
Diffusion models
Dye dispersion
Earthquakes
equal differential time method
Evolution
Fault lines
Fluid injection
Geophysics
induced earthquakes
Injection
Natural gas
North Texas earthquakes
Oil and gas operations
Perturbations
Pore pressure
pore pressure model
Pressure
Pressure changes
Saline water
Seismic activity
Seismicity
Sequencing
Waste disposal
Wastewater
Wastewater disposal
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Summary:The 2008 Dallas‐Fort Worth Airport earthquakes mark the beginning of seismicity rate changes linked to oil and gas operations in the central United States. We assess the spatial and temporal evolution of the sequence through December 2015 using template‐based waveform correlation and relative location methods. We locate ~400 earthquakes spanning 2008–2015 along a basement fault mapped as the Airport fault. The sequence exhibits temporally variable b values, and small‐magnitude (m 
ISSN:2169-9313
2169-9356
DOI:10.1002/2017JB015003