The problems about the sequence features,causative structures and prediction of the swarms near Mt. Niushoushan of Ningxia in 1995 are discussed in this paper.It is considered that these swarms were all premonitory events,which did not relate to the water storage of the Qingtongxia reservoir and resulted from the action of a few fractures in different directions.
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张文孝,赵卫明,柴炽章,许文俊.1995年宁夏牛首山震群序列分析与预报[J].地震工程学报,1997,19(4):1-5. ZHANG Wenxiao, ZHAO Weiming, CHAI Chizhang, XU Wenjun. SEQUENCE ANALYSIS AND PREDICTION OF THE NIUSHOUSHAN SWARMS IN 1995[J]. China Earthquake Engineering Journal,1997,19(4):1-5.