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Title: The Oklahoma Geological Survey Statewide Seismic Network

Abstract

The Oklahoma Geological Survey (OGS) monitors seismicity throughout the state of Oklahoma utilizing permanent and temporary seismometers installed by OGS and other agencies, while producing a real–time earthquake catalog. The OGS seismic network was recently added to the Advanced National Seismic System (ANSS) as a self–supporting regional seismic network, and earthquake locations and magnitudes are automatically reported through U.S. Geological Survey and are part of the ANSS Comprehensive Earthquake Catalog. In Oklahoma, before 2009, background seismicity rates were about 2 M 3.0+ earthquakes per year, which increased to 579 and 903 M 3.0+ earthquakes in 2014 and 2015, respectively. After seismicity peaked, the rate fell to 624, 304, and 194 M 3.0+ earthquakes in 2016, 2017, and 2018, respectively. The catalog is complete down to M 2.2 from mid–2014 to present, despite the significant workload for a primarily state–funded regional network. That astonishing uptick in seismicity has been largely attributed to wastewater injection practices. The OGS provides the Oklahoma Corporation Commission, the agency responsible for regulating oil and gas activities within the state, with technical guidance and earthquake products that inform their “traffic–light” mitigation protocol and other mitigating actions. We have initiated a citizen–scientist–driven, educational seismometer program by installing Raspberry Shake geophones throughout themore » state at local schools, museums, libraries, and state parks. The seismic hazard of the state portends a continued need for expansion and densification of seismic monitoring throughout Oklahoma.« less

Authors:
 [1];  [1];  [1];  [1];  [1];  [2];  [3];  [4]
  1. Univ. of Oklahoma, Norman, OK (United States). Oklahoma Geological Survey
  2. Hawai’i National Park, Hawaii, HI (United States). Hawaiian Volcano Observatory
  3. U.S. Geological Survey, Vancouver, WA (United States). Cascades Volcano Observatory
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1574703
Report Number(s):
SAND-2019-10727J
Journal ID: ISSN 0895-0695; 679293
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Seismological Research Letters
Additional Journal Information:
Journal Name: Seismological Research Letters; Journal ID: ISSN 0895-0695
Publisher:
Seismological Society of America
Country of Publication:
United States
Language:
English

Citation Formats

Walter, Jacob I., Ogwari, Paul, Thiel, Andrew, Ferrer, Fernando, Woelfel, Isaac, Chang, Jefferson C., Darold, Amberlee P., and Holland, Austin A. The Oklahoma Geological Survey Statewide Seismic Network. United States: N. p., 2019. Web. doi:10.1785/0220190211.
Walter, Jacob I., Ogwari, Paul, Thiel, Andrew, Ferrer, Fernando, Woelfel, Isaac, Chang, Jefferson C., Darold, Amberlee P., & Holland, Austin A. The Oklahoma Geological Survey Statewide Seismic Network. United States. doi:10.1785/0220190211.
Walter, Jacob I., Ogwari, Paul, Thiel, Andrew, Ferrer, Fernando, Woelfel, Isaac, Chang, Jefferson C., Darold, Amberlee P., and Holland, Austin A. Wed . "The Oklahoma Geological Survey Statewide Seismic Network". United States. doi:10.1785/0220190211.
@article{osti_1574703,
title = {The Oklahoma Geological Survey Statewide Seismic Network},
author = {Walter, Jacob I. and Ogwari, Paul and Thiel, Andrew and Ferrer, Fernando and Woelfel, Isaac and Chang, Jefferson C. and Darold, Amberlee P. and Holland, Austin A.},
abstractNote = {The Oklahoma Geological Survey (OGS) monitors seismicity throughout the state of Oklahoma utilizing permanent and temporary seismometers installed by OGS and other agencies, while producing a real–time earthquake catalog. The OGS seismic network was recently added to the Advanced National Seismic System (ANSS) as a self–supporting regional seismic network, and earthquake locations and magnitudes are automatically reported through U.S. Geological Survey and are part of the ANSS Comprehensive Earthquake Catalog. In Oklahoma, before 2009, background seismicity rates were about 2 M 3.0+ earthquakes per year, which increased to 579 and 903 M 3.0+ earthquakes in 2014 and 2015, respectively. After seismicity peaked, the rate fell to 624, 304, and 194 M 3.0+ earthquakes in 2016, 2017, and 2018, respectively. The catalog is complete down to M 2.2 from mid–2014 to present, despite the significant workload for a primarily state–funded regional network. That astonishing uptick in seismicity has been largely attributed to wastewater injection practices. The OGS provides the Oklahoma Corporation Commission, the agency responsible for regulating oil and gas activities within the state, with technical guidance and earthquake products that inform their “traffic–light” mitigation protocol and other mitigating actions. We have initiated a citizen–scientist–driven, educational seismometer program by installing Raspberry Shake geophones throughout the state at local schools, museums, libraries, and state parks. The seismic hazard of the state portends a continued need for expansion and densification of seismic monitoring throughout Oklahoma.},
doi = {10.1785/0220190211},
journal = {Seismological Research Letters},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {11}
}

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This content will become publicly available on November 13, 2020
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