重庆巫山地区地震波Q值结构研究  

Study on seismic Q structure in Wushan area of Chongqing Municipality

作　　者：汪建 李光科 杨亚运 王同军 Wang Jian;Li Guangke;Yang Yayun;Wang Tongjun(Chongqing Earthquake Agency,Chongqing 401147,China)

机构地区：[1]重庆市地震局,重庆401147

出　　处：《地震科学进展》2022年第7期322-327,共6页Progress in Earthquake Sciences

基　　金：中国地震局监测、预报、科研三结合项目(3JH-2021040);重庆市地震局科研项目联合资助。

摘　　要：选取重庆数字地震台网2010年1月—2016年12月记录的巫山地区ML≥2.0地震波形资料,利用Atkinson方法计算了重庆巫山地区介质品质因子Q值。结果显示,介质品质因子Q(f)与频率f的关系为Q(f)=175.7f^(0.75),巫山地区的Q值高于邻区(巴东和湖北地区)。结合地震活动性分析,该区域构造相对稳定。The seismic waveform data of ML≥2.0 earthquakes recorded by Chongqing Digital Seismic Network were collected between January 2010 and December 2016 for investigating Q structure in Wushan area by using the Atkinson method.A frequency-dependent Q model Q(f)=175.7f^(0.75)is obtained for the Wushan area,where the Q is higher than that in its adjacent area,including Badong and Hubei areas.Combining with seismicity,the Q result suggests that the Wushan area is relatively stable.

关 键 词：Atkinson方法 Q值 介质品质因子 巫山地区 

分 类 号：P315.31[天文地球—地震学]