【摘要】 1999年 3月 15日新疆库车县西北发生 5.6级地震 ,宏观震中 (北纬 4 1°4 8′,东经 82°4 1′)位于却勒塔格山北坡 ,极震区烈度为 度 ,有 度异常点分布。地震造成 1人重伤 ,2人轻伤 ,直接经济损失为 16 36 .8万元。灾区南部人口密集 ,场地土条件差 ,地震动放大效应显著。地震为却勒塔格断裂所致 ,该断裂属南天山山前库车坳陷带内的推覆滑脱构造。更多还原

【Abstract】 A magnitude 5.6 earthquake occurred northwest of Kuche,Xinjiang on Mar.15,1999.The macro epicentral coordinates were 41°48′N,82°41′E,the north slope of Queletage Mountain.The earthquake was felt with intensity Ⅵ in extremely seismic area,but intensity Ⅶ effects were noted at several sites in the area.The quake caused 1 people injured heavily and 2 injured lightly,direct economic loss at 16.368 million.In the densely populated south part of the disaster area,the site soil is weak,obvious amplication effects of ground shaking are observed.It is thought that the event was caused by Queletage Fault,which is the nappe decollement structure in South Tianshan piedmont depression zone in Kuche.更多还原