摘要
在对 1999年 5月 15日山西省应县—浑源 ML4.6地震宏观烈度考察的基础上 ,得出极震区烈度为 度 ,呈椭圆形 ,长轴走向北东 ,长度 13km,短轴 10 km,面积 10 2 km2的结论。分析了地震的发震构造 ,认为北东向的恒山北麓断裂是控制大同盆地的南部边界断裂 ,为控震构造 ,北西向的次级活动断层为此次地震的发震构造。指出 。
Based on the macroseismic intensity survey,the epicentrel region of M L4 6 earthquake of Yingxian Hunyuan of Shanxi province on May 15,1999 is Ⅵ degree region,and is ellipse,the strike of its major axis is NE,and length is 13 km,its minor axis is 10 km,the area is 102 km 2.The structure of control earthquake is Northen Piedmont fault of Hengshan Mountain of NE strike,and the triggering seismic structure is second order fault of NE strike.The reason of relatively serious destruction of the earthquake is due to the shallow focus earthquake.
出处
《山西地震》
2000年第3期40-42,共3页
Earthquake Research in Shanxi
关键词
宏观地震烈度调查
烈度评定
应县-浑源地震
Macroseismic intensity survey
Intensity evaluation
Yingxian Hunyuan earthquake
