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安徽省地震局于1981年10月7日至l0日在嘉山召开了史前地震现场研讨会。应邀参加会议的有国家地震局直属所、队,安徽邻近省、市地震局和有关大专院校11个单位的代表共21名。会上安徽省地震局的同志介绍了嘉山史前地震遗迹的发掘和初步研究的情况。嘉山史前地震遗迹位于嘉山县明光镇附近、华北断块的东南缘、郯庐断裂带东界主干断裂的西侧,遗迹南侧的北西西向施官集——嘉山断裂错断了郯庐断裂带。区内构造活动频繁,晚第三纪以来有多次基性火山喷发活动。多期地震活动留
The Seismological Bureau of Anhui Province in October 1981 has been consulted by the Symposium on Geographical Features in the History of the Junggar. A total of 21 representatives from 11 units directly under the State Seismological Bureau, the team, the Seismological Bureau of neighboring provinces and cities in Anhui Province and relevant tertiary institutions were invited to attend the conference. At the meeting, Comrades from the Seismological Bureau of Anhui Province introduced the excavation and preliminary study of the prehistoric earthquake in Jia Mountain. The prehistoric earthquakes in Jia Mountain are located in the vicinity of the Mingguang town in Jiashan County, southeastern margin of the North China block, west of the eastern boundary of the Tanlu fault zone, and the Shi’nan-Shiju- . The tectonic activities are frequent in the area and there have been many basic volcanic eruptions since the late Tertiary. Multi-period seismic activity stay