【摘要】 2006年4月21日03时18分03.7秒,石棉县发生一次ML4.3级地震,仪器测定震中位于北纬29°05′、东经102°12′,即安顺乡麂子坪南西侧。经现场实地考察确定宏观震中位于麂子坪南—紫马之间的山区地带,宏观震中烈度为Ⅳ度强(Ⅳ+),其震中区面积约100平方千米;Ⅳ度区面积约为2 000平方千米;此次地震有感区范围广泛,北至泸定、天全等县,南到冕宁、越西,西达九龙东至汉源县乌斯河镇等地,有感区面积约20 000平方千米。经调查,地震没有造成人员、牲畜等的伤亡,震害地区内个别房屋的屋瓦出现梭动。更多还原

【Abstract】 An M4.3 Earthquake struck Shimian Jiziping on 21 April 2006 at 03∶18∶03.7(Beijing Time)and the seismic epicenter is 29°05′ N and 102°12′ E and locates in the west side of Jiziping,Anshuen village.Through our field macro-seismic survey,the epicenter is located in the maintain area between south Jiziping and Zimakua and the seismic intensity reaches IV degree.The total area of seismic effecting is 100 km~2 and the total area with intensity IV degree is 2000 km~2.The seismic effecting area boundaries are Luding and Tianquan to the north,Mianning and Yexi to the south,Hanyuan Wusihe to the east,Jiulong to the west.There were no any people and domesticated animals injured in this earthquake.There were a few of tiles falling down.更多还原