Variations in P-wave Travel Times Based on a Digital Seismogram Dataset

Nepeina K. S.; An V. A.

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Variations in P-wave Travel Times Based on a Digital Seismogram Dataset

机译：基于数字地震图数据集的P波旅行时间的变化

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The paper presents the parameters of digital seismograms of artificial seismic events observed in from 1967 to 1990. The data were provided to the authors from the archive of the Sadovsky Institute of Geosphere Dynamics (IDG RAS). Seismograms were obtained after reformatting digital records. The archived data were analyzed to obtain a posteriori information on P-wave travel times, determined from the moment of the first arrival on the record of the vertical component (Z) of the short-period channel. The practice has shown that combining these data is sufficient to compile a map of signal arrival times from seismic sources. We present the regional travel-time curve for three test sites and linear trends of P-wave travel times by calendar date, as well as an isochron map for one of the sites.

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《Acoustical physics》 |2020年第6期|共6页
作者
Nepeina K. S.; An V. A.;
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作者单位

Russian Acad Sci Res Stn Bishkek 720049 Kyrgyzstan;

Russian Acad Sci Sadovsky Inst Geosphere Dynam Moscow 119334 Russia;

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原文格式 PDF
正文语种 eng
中图分类声学;
关键词
source; seismic waves; P-wave; spatiotemporal structure; time variations; travel-time curve;

机译：来源;地震波;p波;时空结构;时间变化;旅行时间曲线;

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Variations in P-wave Travel Times Based on a Digital Seismogram Dataset

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