本文研究了广东及邻区近十多年来由中、小地震组成的震群序列的衰减特征,结果认为:运用地震频度衰减指数确定地震序列的类型,并对有无后续强震作出预测,看来是可行的。但是,要确定一种定量指标来对后续强震的震级以及发震时间作出预测,仍需积累更多的资料。 In this paper, the decay characteristics of the earthquake swarm sequence composed of medium and small earthquakes in Guangdong and its neighboring regions over the past 10 years are studied. The results show that the seismic frequency attenuation index is used to determine the types of seismic sequences and to predict the presence or absence of subsequent strong earthquakes , It seems feasible. However, to determine a quantitative indicator to predict the magnitude of the subsequent strong earthquakes and the onset time of the earthquakes, more information still needs to be accumulated.