运城震群是近年来山西和晋、陕、豫三省交界地区发生的最大一次震群活动。1986年11月7日,山西省运城市的王范、冯村、陶村三乡交掺地带出现了震群活动,11月16日至21日为震群序列的高潮阶段,22日以后开始衰减。截至1987年2月1日,其发度生地震801次(表1)。运城震群的最大地震为4.7(M_(L)),震源深度5.5公里,震中烈 Yuncheng earthquake swarm is the largest earthquake swarm occurred in the junction areas of Shanxi, Shanxi, Shaanxi and Henan provinces in recent years. On November 7, 1986, earthquake swarms occurred in Wangfan, Fengcun and Taocun Township, Yuncheng City, Shanxi Province. From the 16th to the 21st of November, they were the climax of the swarm sequence and started after the 22nd. attenuation. As of February 1, 1987, it made 801 natural disasters (Table 1). The maximum earthquake of Yuncheng earthquake swarm is 4.7 (M_ (L)), the focal depth is 5.5 km, and the epicenter is