Identifying and Correcting Timing Errors at Seismic Stations in and around Iran

Syracuse, Ellen Marie; Phillips, William Scott; Maceira, Monica; Begnaud, Michael Lee

doi:10.1785/0220170113

Title: Identifying and Correcting Timing Errors at Seismic Stations in and around Iran

Abstract

A fundamental component of seismic research is the use of phase arrival times, which are central to event location, developing Earth models, phase identification, as well as derived products. Hence, the accuracy of arrival times is crucial. However, errors in the timing of seismic waveforms, and the arrival times based upon them, may go unidentified by the end user, particularly when seismic data is shared between different organizations. Here, we present a method used to analyze travel time residuals for stations in and around Iran to identify time periods that are likely to contain station timing problems. For the 14 stations with the strongest evidence of timing errors lasting one month or longer, timing corrections are proposed to address the problematic time periods. Two additional stations are identified with incorrect locations in the International Registry of Seismograph Stations, and one is found to have erroneously reported arrival times in 2011.

Authors:

^[1]; Phillips, William Scott ^[1];

^[2];

^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Publication Date:: Wed Sep 06 00:00:00 EDT 2017

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1408838

Alternate Identifier(s):: OSTI ID: 1435313

Report Number(s):: LA-UR-17-24689
Journal ID: ISSN 0895-0695; TRN: US1703180

Grant/Contract Number:: AC52-06NA25396; AC05-00OR22725

Resource Type:: Accepted Manuscript

Journal Name:: Seismological Research Letters

Additional Journal Information:: Journal Volume: 88; Journal Issue: 6; Journal ID: ISSN 0895-0695

Publisher:: Seismological Society of America

Country of Publication:: United States

Language:: English

Subject:: 58 GEOSCIENCES

Citation Formats


                    Syracuse, Ellen Marie, Phillips, William Scott, Maceira, Monica, and Begnaud, Michael Lee. Identifying and Correcting Timing Errors at Seismic Stations in and around Iran.  United States: N. p., 2017. 
Web.  doi:10.1785/0220170113.

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                    Syracuse, Ellen Marie, Phillips, William Scott, Maceira, Monica, & Begnaud, Michael Lee. Identifying and Correcting Timing Errors at Seismic Stations in and around Iran.  United States.  https://doi.org/10.1785/0220170113

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                    Syracuse, Ellen Marie, Phillips, William Scott, Maceira, Monica, and Begnaud, Michael Lee. Wed .  
"Identifying and Correcting Timing Errors at Seismic Stations in and around Iran".  United States.  https://doi.org/10.1785/0220170113.  https://www.osti.gov/servlets/purl/1408838.

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@article{osti_1408838,

  title        = {Identifying and Correcting Timing Errors at Seismic Stations in and around Iran},

  author       = {Syracuse, Ellen Marie and Phillips, William Scott and Maceira, Monica and Begnaud, Michael Lee},

  abstractNote = {A fundamental component of seismic research is the use of phase arrival times, which are central to event location, developing Earth models, phase identification, as well as derived products. Hence, the accuracy of arrival times is crucial. However, errors in the timing of seismic waveforms, and the arrival times based upon them, may go unidentified by the end user, particularly when seismic data is shared between different organizations. Here, we present a method used to analyze travel time residuals for stations in and around Iran to identify time periods that are likely to contain station timing problems. For the 14 stations with the strongest evidence of timing errors lasting one month or longer, timing corrections are proposed to address the problematic time periods. Two additional stations are identified with incorrect locations in the International Registry of Seismograph Stations, and one is found to have erroneously reported arrival times in 2011.},

  doi          = {10.1785/0220170113},

  journal      = {Seismological Research Letters},

  number       = 6,

  volume       = 88,

  place        = {United States},

  year         = {Wed Sep 06 00:00:00 EDT 2017},

  month        = {Wed Sep 06 00:00:00 EDT 2017}

}

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Seismotectonics of the Zagros (Iran) From Orogen‐Wide, Calibrated Earthquake Relocations
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DOI: 10.1029/2019jb017336

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Title: Identifying and Correcting Timing Errors at Seismic Stations in and around Iran

Abstract

Citation Formats

Seismotectonics of the Zagros (Iran) From Orogen‐Wide, Calibrated Earthquake Relocations journal, August 2019

Seismotectonics of the Zagros (Iran) From Orogen‐Wide, Calibrated Earthquake Relocations
journal, August 2019