Data Processing of a Local Seismological Network for West Texas Seismicity Characterization

Dmitrii Merzlikin; Alexandros Savvaidis; Stefanie Whittaker; Ibinabo Bestmann

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Data Processing of a Local Seismological Network for West Texas Seismicity Characterization

机译：西德克萨斯地震性鉴定的地方地震网络的数据处理

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We propose a template‐matching workflow capable of improving detection sensitivity of a seismic network and demonstrate its performance on the local seismic network comprising Texas Seismological Network installations in West Texas. We use three earthquakes from three clusters as our templates. Template matching is applied to each station independently. Then, SeisComP3 scanloc associator groups the obtained picks into seismic events following moveouts between stations consistent with a velocity model. In comparison to short‐term over long‐term average detection workflow, the number of “new,” previously undetected events more than doubles. The events detected by the template‐matching workflow are registered on a set of stations, thus allowing for their absolute location. Template matching improves local network sensitivity. Among network parameters, station noise conditions appear to have the highest influence on the effectiveness of the workflow.

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来源
《Seismological research letters》 |2020年第6期|共14页
作者
Dmitrii Merzlikin; Alexandros Savvaidis; Stefanie Whittaker; Ibinabo Bestmann;
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作者单位

Bureau of Economic Geology The University of Texas at Austin;

Bureau of Economic Geology The University of Texas at Austin;

Bureau of Economic Geology The University of Texas at Austin;

Bureau of Economic Geology The University of Texas at Austin;

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正文语种 eng
中图分类地震学;
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Data Processing of a Local Seismological Network for West Texas Seismicity Characterization

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