摘要
朝阳４．２级地震前，辽西地区出现了一批具有前兆性质的短临异常，其中包括水氧、水汞、水温、水动态和电磁波等．它们在临震前变化明显，在时间和空间上基本同步，显示了一个整体活动图象．
Before Chao yang earthquake with 4.2 there existed a group of short impend-ing seismic anomalies in the west of Liaoning province,which are hydro radon,water temper-ature,hydro mercury,dynamical state of water,Jectrict magnetic wave and so on. Theychanged obviousty and synchronously prior to the earthquake in time and space.
出处
《防灾减灾学报》
1994年第1期71-75,共5页
Journal of Disaster Prevention And Reduction
关键词
短临异常
突跳
阶变
short impending anomaly
mutation jump
stepped change
