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Yang Chen, Huang Zhibin, Du Guangbao, Zhai Luyuan. 2013: Evaluation of China’s automatic earthquake information release system. Acta Seismologica Sinica, 35(2): 272-282. DOI: 10.3969/j.issn.0253-3782.2013.02.013
Citation: Yang Chen, Huang Zhibin, Du Guangbao, Zhai Luyuan. 2013: Evaluation of China’s automatic earthquake information release system. Acta Seismologica Sinica, 35(2): 272-282. DOI: 10.3969/j.issn.0253-3782.2013.02.013
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Evaluation of China’s automatic earthquake information release system

  • China Earthquake Networks Center, Beijing 100045, China

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  • Received Date: February 15, 2012
  • Revised Date: June 03, 2012
  • Published Date: February 28, 2013
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    • Abstract
  • The paper presents an overall preliminary evaluation of China’s automatic earthquake information release system. By comparing the results based on automatic earthquake locating system with officially published earthquake catalog from Jan. 1, 2010 to Dec. 31, 2011, we calculated respectively the overall errors of 3 automatic locating systems and plotted interpolated error distribution in China and the whole world, and summarized the results. We also analyzed and discussed the issue of false alarm and missing report for the 3 systems. In general, the present earthquake information auto-release system in China can locate earthquakes with M≥3.0 in the Capital region, M≥4.0 in other areas of China (M≥5.0 in parts of western China where stations are sparse), and M≥7.0 outside China, and the “auto--results” can be used as reference for formal earthquake information release. The whole system is able to provide technical platform effectively for establishing a 2-step (i.e., auto-formal) earthquake information release system.
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    • References (3)
  • 国家质量技术监督局. 1999. 中华人民共和国国家标准(GB17740-1999): 地震震级的规定[S]. 北京: 中国标准出版社: 1-2.
    杨陈, 黄志斌, 廖诗荣, 黄文辉, 翟璐媛. 2010. 全国自动地震速报系统介绍[J]. 地震地磁观测与研究, 31(5): 158-161.
    中国地震局监测预报司. 2009. 自动地震速报技术管理规定(试行)(135)[S]. 北京: 中国地震局: 1-3.
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