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1986年7月10日和8月12日在盐源县城南西方向相继发生M_S=5.1级和M_S=5.4级地震。这两次地震距地电台分别为16至20千米(宏观震中仅距几千米),震源深度均为15千米左右。在距地电台如此近的地方发生5级以上地震,不但我省是首次,在全国也属少见。其观测结果对孕震信息的反应如何,必然为全国地震系统地电工作者注目。总结这一震例,对今
On July 10, 1986 and August 12, 1986, M_S = 5.1 and M_S = 5.4 earthquakes occurred one after another in the southwest of Yanyuan county. These two earthquakes are 16 to 20 kilometers away from the earth stations (only a few kilometers away from the macro epicenter), and the focal depths are both about 15 kilometers. Earthquakes of magnitude 5 or above have occurred at such a distance from the ground radio station, not only for the first time in our province, but also in the whole country. The response of the observation results to the earthquake information must be of concern to the geoelectric workers in the national earthquake system. Summarized this earthquake example, to today