【摘要】 本文给出了５．３级地震的基本参数和震源机制解；通过震前地震活动分析，指出震前一二年内形成“空区”及“条带”特征；通过对４．８级强余震ｈ值异常的分析，提出该地震周围地区仍有发生中强地震危险的观点。１９９３年８月１４日姚安发生５．６级地震的事实，证实了作者的看法。更多还原

【Abstract】 The principal parameters and the mechanism of earthquake focus of the Dayao M=5.3earthquake are given in this paper.The features of the earthquake-free area and the earthquake belt formed from one to two years are pointed out according to analysis on the earthquake activity before it.And according to analysis on the h-value abnornality for the M=4. 8 strong aftershock,we pointed out that there are the risk of any intermediate-strong motion to happen around the earthquake area,Aug.14,1993 Yaoan M=5.6 earthquake proved the author’s viewpoint convic-ing.更多还原