形变、大旱、地磁、静电场等震前异常关联性OA北大核心CSTPCD

Based on the mechanism of deformation anomaly,we analyze the correlation of several a-nomalies before the earthquake.Combined with observation facts and experiments,we explore the possible organic connections between them.The explanations are given uniformly from the mechanism for the anomalies before and after the earthquake,such as the severe drought before the earthquake,the heavy rain after the earthquake,the sand jetting and ground collapse during the earthquake,as well as ground sound and light,the ionosphere anomaly before the earthquake,the atmospheric elec-trostatic anomaly before the earthquake,and the electromagnetic wave anomaly before and during the earthquake.We consider that these anomalies are all related to the formation,expansion and rapid disappear-ance of micro-crack expansion bodies near the seismic source before the earthquake.