摘要
本文在此次地震前短临预报的基础上,对震前的地震活动性,微观和宏观前兆的短临异常特征进行了研究。指出地震活动在该区最典型的短临异常特征是平静,分析了震前地震活动图象和各类异常的时空特征所显示的“膨胀—扩散模式”的孕震机制。
On the basis of the short-term and imminent Prediction,we study the short- term and imminent anomaly characteristics of the seismieity,microscopic and macroscopic Precursors before the earthquake.It is Pointed out that seismic quiescence is the typically short-term and imminent anomaly characteristic of the seismic activity in this area.We also analyze the seismogenic mechanism of the “dilatation-diffusion”model,which was shown by the Pattern of seismicity and the spatio-temporal feature of anomalies before the earthquake occurrence.
出处
《四川地震》
1991年第3期51-56,共6页
Earthquake Research in Sichuan
