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Liu Ruifeng, Chen Yuntai, Zou Liye, Chen Hongfeng, Liang Jianhong, Zhang Liwen, Han Xuejun, Ren Xiao, Sun Li. 2013: Determination of parameters for the 20 April 2013 Lushan MW6.7(MS7.0) earthquake in Sichuan Province. Acta Seismologica Sinica, 35(5): 652-660. DOI: 10.3969/j.issn.0253-3782.2013.05.004
Citation: Liu Ruifeng, Chen Yuntai, Zou Liye, Chen Hongfeng, Liang Jianhong, Zhang Liwen, Han Xuejun, Ren Xiao, Sun Li. 2013: Determination of parameters for the 20 April 2013 Lushan MW6.7(MS7.0) earthquake in Sichuan Province. Acta Seismologica Sinica, 35(5): 652-660. DOI: 10.3969/j.issn.0253-3782.2013.05.004
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Determination of parameters for the 20 April 2013 Lushan MW6.7(MS7.0) earthquake in Sichuan Province

  • 1.

    China Earthquake Networks Center, Beijing 100045, China

  • 2.

    Institute of Geophysics, China Earthquake Administration, Beijing 100081, China

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  • Received Date: June 13, 2013
  • Revised Date: July 17, 2012
  • Published Date: August 31, 2013
    Graphical Abstract
    • Abstract
  • After the Lushan MW6.7(MS7.0) earthquake on 20 April, 2013 in Sichuan Province, this paper revised the earthquake parameters rapidly issued by China Earthquake Networks Center (CENC), based on the data from 97 stations of China National Seismic Network. The results are: the origin time of the earthquake is 08:02:47.5 Beijing time (00:02:47.5 UTC), the epicenter is located at (30.30°N, 102.99°E) and the focal depth is 17 km; the surface wave magnitude of the earthquake is MS7.0, the short period body wave magnitude is mb6.0 and the moderate-long period body wave magnitude is mB7.0. The focal mechanisms are calculated by waveform inversion and the two nodal planes of the best double couple solution are: for the nodal plane Ⅰ strike 17°/dip 48°/slip 80°, and strike 212°/dip 43°/slip 101° for the nodal plane Ⅱ; the moment magnitude is MW6.7. In addition, in view of the fact that the magnitude issued by CENC is MS7.0, while that by USGS/NEIC is MW6.6, so it is suggested that China should issue MW as the preferred magnitude so as to make the magnitude report in accordance with international convention.
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    • References (15)
  • 陈运泰, 刘瑞丰. 2004. 地震的震级[J]. 地震地磁观测与研究, 25(6): 1-11.
    陈运泰, 杨智娴, 张勇, 刘超. 2013. 从汶川地震到芦山地震[J]. 中国科学: 地球科学, 43(6): 1064-1072.
    刘瑞丰, 陈运泰, Bormann P, 任枭, 侯建民, 邹立晔. 2006. 中国地震台网与美国地震台网测定震级的对比: Ⅱ. 面波震级[J].地震学报, 28(1): 1-7.
    刘超, 许力生, 陈运泰. 2013. 2013年4月20日四川芦山7.0级地震(1.0版)[EB/OL]. [2013-06-30]. http://www.cea-igp.ac.cn/tpxw/266824.shtml.
    全国地震标准化技术委员会. 1999. 地震震级的规定(GB17740-1999)[S]. 北京: 中国标准出版社.
    张勇, 陈运泰, 许力生. 2013. 芦山4·20地震破裂过程及其致灾特征初步分析[J]. 地球物理学报, 56(4): 1408-1411.
    中国地震局. 2013. 4月20日8时2分四川省雅安市芦山县发生7.0级地震[EB/OL]. [2013-04-20]. http://www.cea.gov.cn/publish/dizhenj/464/479/20130420081617262668243/index.html.
    中国地震台网. 2013. 四川省雅安市芦山县发生7.0级地震[EB/OL]. [2013-04-20]. http://www.csi.ac.cn/manage/fastReport.jsp?id=13e24ca9cde00.
    Bormann P, Liu R F, Xu Z G, Ren K X, Zhang L W, Wendt S. 2009. First application of the New IASPEI teleseismic magnitude standards to data of the China National Seismographic Network[J]. Bull Seismol Soc Am, 99(3): 1868-1891.
    Dziewonski A M, Chou T A, Woodhouse J H. 1981. Determination of earthquake source parameters from waveform data for studies of global and regional seismicity[J]. J Geophys Res, 86: 2825-2852.
    European-Mediterranean Seismological Centre. 2013. M6.6-Western Sichuan, China-2013-04-20 00:02:48 UTC[EB/OL]. [2013-04-20].http://www.emsc-csem.org/Earthquake/earthquake.php?id=313375.
    Schweizerischer Erdbebendienst. 2013. EQ Information: Region: Sichuan, China-Magnitude: 6.6[EB/OL]. [2013-04-20].http://www.seismo.ethz.ch/eq/latest/eq_detail_w/index_EN?id=c21pOmdvdi51c2dzL291dC4yMjkzMzkxLTAuNDkxNjc3NjIyMDYyNTQ3LzIwMTMwNTA2MTEyNTQ1L29yaWdpbi8x.
    SZGRF Home. 2013. Results of manual seismogram analysis at SZGRF[EB/OL]. [2013-04-20]. http://www.szgrf.bgr.de/analysis-reports/index.html.
    USGS. 2002. New USGS Earthquake Magnitude Policy[R]. MCEER Information Service News. 1-3.
    USGS. 2013. M6.6-56 km WSW of Linqiong, China (BETA) [EB/OL]. [2013-04-20]. http://comcat.cr.usgs.gov/earthquakes/eventpage/usb000gcdd.
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