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Induced Microseismic Event with Strong Rupture Directivity and Superimposed Attenuation Effects

文献类型：期刊论文

作者Wcislo, Milosz2,5; Stanek, Frantisek2,3; Gallovic, Frantisek5; Wu, Shaojiang1; Psencik, Ivan2,4,5
刊名SEISMOLOGICAL RESEARCH LETTERS
出版日期2023-05-01
卷号94期号:3页码:1455-1466
ISSN号0895-0695
DOI10.1785/0220220229
英文摘要Rupture directivity is a fundamental effect well known mainly for large natural earth-quakes. Its observation for microseismic events is difficult due to small rupture size and short duration, usually insufficient coverage of monitoring array and attenuation along wave propagation paths. Here, we detect the rupture directivity for an induced micro -seismic event (Mw similar to 1:2) recorded by a dense surface starlike array during hydraulic fracturing of a shale reservoir in China. We use durations of initial P -wave arrivals as a proxy to peak frequency content. The observed directional and offset dependence of the peak frequencies can be explained by superimposed effects of the rupture direc-tivity of fast, possibly supershear rupture propagation and attenuation, permitting the determination of the event's fault plane orientation. Furthermore, we implement a sim-ple statistical correction to the amplitudes, proving the inverted source mechanism to be stable, only with a slightly lower, yet unreliable nonshear component.
WOS关键词NEAR-SURFACE RESONANCES ; MOHAMMED Y. ALI ; PEAK FREQUENCY ; SOURCE PARAMETERS ; DIRECT WAVES ; SOURCE REVERBERATIONS ; MIROSLAV HALLO ; LEO EISNER ; DAVIDE GEI ; IVO OPRSAL
资助项目Grant Agency of the Czech Republic[20-06887S] ; Charles University[SVV 260581] ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS)[67985891] ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences
WOS研究方向Geochemistry & Geophysics
语种英语
出版者SEISMOLOGICAL SOC AMER
WOS记录号WOS:000990564400006
资助机构Grant Agency of the Czech Republic ; Grant Agency of the Czech Republic ; Charles University ; Charles University ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Grant Agency of the Czech Republic ; Grant Agency of the Czech Republic ; Charles University ; Charles University ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Grant Agency of the Czech Republic ; Grant Agency of the Czech Republic ; Charles University ; Charles University ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Grant Agency of the Czech Republic ; Grant Agency of the Czech Republic ; Charles University ; Charles University ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; long-term conceptual development of the Institute of Rock Structure and Mechanics Czech Academy of Sciences (CAS) ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences ; Institute of the Geology and Geophysics of the Chinese Academy of Sciences
源URL[http://ir.iggcas.ac.cn/handle/132A11/110951]  
专题地质与地球物理研究所_中国科学院油气资源研究重点实验室
通讯作者Wcislo, Milosz
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
2.Czech Acad Sci, Inst Rock Struct & Mech, Prague, Czech Republic
3.Colorado Sch Mines, Dept Geophys, Golden, CO USA
4.Czech Acad Sci, Inst Geophys, Prague, Czech Republic
5.Charles Univ Prague, Fac Math & Phys, Dept Geophys, Prague, Czech Republic
推荐引用方式
GB/T 7714		 Wcislo, Milosz,Stanek, Frantisek,Gallovic, Frantisek,et al. Induced Microseismic Event with Strong Rupture Directivity and Superimposed Attenuation Effects[J]. SEISMOLOGICAL RESEARCH LETTERS,2023,94(3):1455-1466.
APA Wcislo, Milosz,Stanek, Frantisek,Gallovic, Frantisek,Wu, Shaojiang,&Psencik, Ivan.(2023).Induced Microseismic Event with Strong Rupture Directivity and Superimposed Attenuation Effects.SEISMOLOGICAL RESEARCH LETTERS,94(3),1455-1466.
MLA Wcislo, Milosz,et al."Induced Microseismic Event with Strong Rupture Directivity and Superimposed Attenuation Effects".SEISMOLOGICAL RESEARCH LETTERS 94.3(2023):1455-1466.

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来源：地质与地球物理研究所

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