利用SSR法研究钟祥台Lg波尾波衰减特征

利用单台叠加谱比法（SSR）分析钟祥台记录的周边地区30个地震事件的垂直分量，得出与各个射线对应的Lg波尾波的Q0值。结果表明，Q0值的大小与构造活动强弱有关，在构造活动强烈的胡集-沙洋断裂、通城河断裂、天阳坪断裂、青峰断裂附近呈现出低值，约在130～200范围内变化；在远离断裂的区域，构造活动比较稳定，Q0值达到600以上。

Exploring the Attenuation Characteristics of Coda Wave of Lg-Wave at Zhongxiang Seismic Station by Using Stack Spectral Ration Method

We use the stack spectral ration method to explore thirty vertical components of earthquake data recorded by Zhongxiang seismic station, gaining the corresponding Q0 values of coda wave of Lg-wave for each radiation path. Results show that the values of Q0 have to do with the tectonic activity. In the active regions among Huji-Shayang fault, Tongchenghe fault, Tianyangping fault and Qingfeng fault, the Q0 manifest low values change from 130 to 200, but away from the activity regions of fault, the tectonic activity is stable, and Q0 is as high as 600.