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地震 ›› 2004, Vol. 24 ›› Issue (2): 66-72.

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大同地震序列的尾波Q值变化特征研究

啜永清, 张淑亮, 苏燕, 王焱, 宋美琴   

  1. 山西省地震局, 山西 太原 030002
  • 出版日期:2004-04-30 发布日期:2021-11-29
  • 作者简介:啜永清(1955-), 女, 山西太原人, 研究员, 主要从事地震学和地震预报等研究。
  • 基金资助:
    “十五”国家科技攻关项目(2001-BA601B01-01-05); 地震联合基金项目(100002)

Research on variation characteristics of seismic code Q value of Datong earthquake sequence

CHUO Yong-qing, ZHANG Shu-lang, SU Yan, WANG Yan, SONG Mei-qin   

  1. Seismological Bureau of Shanxi Province, Taiyuan 030002, China
  • Online:2004-04-30 Published:2021-11-29

摘要: 利用大同台网1990~2000年的地震记录资料, 系统地分析了大同地震序列尾波Q值随时间的变化, 着重分析了尾波Q值在中强地震前的短期变化特征。 结果表明, 分频率的尾波Q值在几次中强地震前都不同程度出现了低值, 并与大同震情“窗口”出现同步的异常。

关键词: 地震序列, 尾波Q值, 变化特征, 大同地区

Abstract: Based on the seismic recording data of the Telemetric Seismic Network of Datong from 1990~2000, the variation characteristics of seismic code Q value of Datong earthquake sequence with time, especially the short-term variation characteristics before moderate strong earthquakes are systematically analyzed. The results indicate that the code Q value of earth frequency show low value before several moderate strong earthquakes and show the anomaly with Datong seismic condition “window” synchronously.

Key words: code Q value, earthquake sequence, Variation Characteristics, Datong area

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