By using the Tangshan Earthquake and the others as examples, the anomalous seismic activities and their precursory variations related to the induced action have been analysed.
2
本文利用唐山地区9个台站得到的13次近场地震记录分析了场地放大效应。
Site amplification was analyzed for the Tangshan area using the strong motion data obtained by 9 stations from 13 events.
3
本文分析了唐山地震孕震过程的物理力学特征。
In this paper we have studied the physical and mechanical features of pregnant process cf Tangshan earthquake.
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