山西临猗-永济1998年5.0级地震宏观烈度考察报告

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英文篇名：Macroseismic Intensity Survey Report of the M L5 0 Linyi-Yongji Earthquake of 1998 in Shanxi 中文刊名：山西地震 英文刊名：EARTHQUAKE RESEARCH IN SHANXI 作者：程新原 ; 王跃杰 ; 郭星全 ; 刘晋栓 ; 尚雨超 英文作者：Cheng Xinyuan Wang Yuejie Guo Xingquan Liu Jinshuan (Seismological Bureau of Shanxi Province) Shang Yuchao (Seismological Bureau of Yuncheng Administrative District) 中文关键词：宏观地震烈度调查 ; 发震断层 ; 烈度评定 ; 临猗-永济地震 英文关键词：Macroseismic intensity survey Seismogenic fault Intensity evaluation Linyi-Yongji earthquake 出版日期：1998-11-30 年：1998 期：Z1 出版单位：山西地震

摘要

叙述了对山西省临猗—永济１９９８年７月１１日发生的ＭＬ５０地震宏观烈度的调查情况，得出这次地震的极震区烈度为Ⅵ度，呈椭圆形，长轴走向ＮＮＷ，长度２１ｋｍ，短轴１７ｋｍ，面积２８０ｋｍ２的结论。阐述了地震发生区域的构造环境，分析了发震构造，认为震区ＮＥＥ向的临猗—双泉断裂、中条山北麓断裂为控制运城盆地的边界断裂，属区域主干活动断裂；ＮＮＷ向孙常断裂为盆地内的隐伏断裂，属次级活动断裂，推测该断裂为临猗—永济地震的发震断裂。
The situation of the macroseismic intensity survey for the M L5 0 Linyi-Yongji earthaquake was recounted,the conclusion was obtained that the intensity of the meizoseismal region is Ⅵ degree,a ellipse,the strike of its long axis is NNW,the length 21 km,the short axis 17 km,the area 280 km 2.The tectonic condition of the seismogenic zone was recounted,the statutory was analyzed.It was suggested that Linyi-Shuangquan fracture and the fracture of the north piedmont in Zhongtiao mountain are the boundary fractures controlled Yuncheng basin,belong to the main active fracture in the region,Sunchang fracture of NNW strike is the buried fracture in the basin,belongs the second-order active fracture,the fracture is inferred the seismogenic fault of the Linyi-Yongji earthquake.

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