2006年4月21日石棉麂子坪4.3级地震宏观考察  

Macro-seismic intensity survey of Shimian 4.3 Earthquake on 21 April 2006

作　　者：戈培峰 韩世康 

机构地区：[1]石棉县地震办公室,四川石棉625400 [2]雅安市地震局,四川雅安625000

出　　处：《四川地震》2006年第3期38-40,共3页Earthquake Research in Sichuan

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。An M4.3 Earthquake struck Shimian Jiziping on 21 April 2006 at 03：18：03.7 （Beijing Tune） and the seismic epicenter is 29005＇ N aJad 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 effeeting is 100 km2 and the total area with intensity IV degree is 2000 km^2. The seismic effeeting area boundaries are Luding and Tianquan to the north, Mianning and Yexl to the south, Hanyuan Wusihe to the east, Jiulong to the west. There were no any people and domesticated animals injurel in this earthquake. There were a few of tiles falling down.

关 键 词：地震考察 烈度 地质构造 麂子坪 

分 类 号：P315.09[天文地球—地震学]