摘要
对１９８９ 年１０月１８日大同—阳高６．１ 级震群表现出的多种宏观前兆异常现象进行了调查与研究，叙述了大同—阳高地震前宏观前兆异常的主要表现形式，分析了这些宏观前兆异常出现的时、空、强分布规律及其与地震的关系，得出此次地震宏观前兆异常主要表现为突发性，宏观前兆异常空间分布的集中程度与烈度成正比，异常的空间展布方向与地震活动构造相关的结论。
The many macroscopic precursor anomalies phenomenon before the Datong Yanggao Earthquake of october 18,1989 are investigated.The main modality of macroscopical precursor anomalies before the Datong Yanggao Earthquake is described.The time space strength distributing regular pattern of macroscopic precursor anomalies and the relation with earthquake are analyzed.The following conclusions are acquired,macroscopic precursor anomalies of the earthquake has paroxysmal character,the concentricity of macroscopical precursor anomalies distribution is accordance with the intensity,the direction of space distribution of anomalies is relative to earthquake structure.
出处
《山西地震》
1999年第3期62-66,共5页
Earthquake Research in Shanxi
关键词
宏观前兆
异常特征
大同--阳高地震
地震预报
Macroscopic precursor
Anomaly
Anomalous character
Datong Yanggao earthquake
