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总结了张家口涿鹿县MS4.3级地震应急调查工作,了解到震区一带的震感现象和地震影响的分布情况。依据《地震现场工作大纲和技术指南》,以《中国地震烈度表(GB/T 17742-2008)》为烈度评定标准以及其对现场实地调查的要求,确定了此次地震震中区一带的地震影响烈度为Ⅴ度,并圈定了地震的等烈度分布区域。同时,依据震源机制解和现场调查情况,分析了此次地震的特征。
The emergency survey of MS4.3 earthquake in Zhuolu County, Zhangjiakou was summarized, and the distribution of the earthquake-induced phenomenon and the impact of earthquakes in the vicinity of the earthquake area was also obtained. According to “Earthquake Syllabus and Technical Guidelines” and the “China Seismic Intensity Scale (GB / T 17742-2008)” as the assessment standard of intensity and its requirements for field investigation, the earthquake influence in the epicenter area of this earthquake was confirmed The intensity is Ⅴ degree, and the equal intensity distribution area of the earthquake is delineated. At the same time, the characteristics of the earthquake are analyzed based on focal mechanism solution and field investigation.