川滇地区GL值动态演化特征与强震预测  

The Dynamic Evolution Characteristics of GL Value in Sichuan-Yunnan Region and Forecast of the Strong Earthquake

作　　者：林辉[1] 王炜[2] 

机构地区：[1]云南省地震局,昆明650041 [2]上海市地震局,上海200062

出　　处：《地震研究》2004年第z1期14-17,共4页Journal of Seismological Research

基　　金：国家科技攻关项目96-913-09项目资助

摘　　要：用地震活动非均匀度GL值作参数,使用1971～2000年期间川滇地区M≥2.5级地震资料进行了GL值的空间扫描。结果表明,川滇地区72％的M≥6级地震前1～2a,在未来震中周围均有GL值异常出现,用R值对其进行评分,可以通过检验。由典型震例图像给出了异常的主要特征。Taking the heterogeneious GL value of the seismicity as the parameter, the data of M≥2.5 earthquakes from 1971 to 2000 in Sichuan-Yunnan region is used to perform spatial scan of GL values. The results show that the anomaly of GL values would appear around the coming epicenters 1 or 2 years before 72% of M≥6 earthquakes in the Sichuan-Yunnan region. It can pass the check if using R value to grade. The major features for the anomalies are shown in the typical ease pattern.

关 键 词：CL值方法 M≥6级地震 中短期预测 川滇地区 

分 类 号：P315.7[天文地球—地震学]