2010年山西大同阳高4.5级地震前形变潮汐因子异常特征分析

摘要

Using net resource data sharing platform of earthquake profession, all observation data of precursory stations in ＂the tenth-five- year project＂ around before the 2010 Datong-Yanggao, Shanxi earthquake of M4. 5 are selected, and Observation data are dealed with and analyzed by using original imagine and multiterm method. The result indicates that only deformation data appears typical short and imminent anomaly, and that abnormal types not only have typical individual remarkable anomaly, but also have common anomaly which many stations have, and that abnormal station items all are located in north of Shanxi earthquake belt.%利用地震行业网络资源数据共享平台,收集整理2010年山西大同阳高M4.5地震前周边＂十五＂前兆台站所有测项资料,应用原始图像及多项方法,对观测数据进行处理分析。结果表明,只有形变观测资料出现典型的短临异常,异常类型既有典型的个体显著异常,又有多台共性的群体异常,异常台项全部位于山西地震带北部。