【摘要】 2018年9月12日在陕西省汉中市宁强县与四川省广元市交界处(32.75°N,105.69°E)发生5.3级地震。现场调查结果表明,此次地震最高烈度为Ⅵ(6)度。Ⅵ度区等震线呈椭圆状,其长轴呈北东走向,主要涉及到陕西省和四川省广元市的13个乡镇。部分震区房屋建筑出现轻微破坏现象。这次地震的发震断层是龙门山断裂带中的青川断裂。更多还原

【Abstract】 An earthquake with magnitude of M_S5.3 occurred on Sep.12,2018 in the border area between Ningqiang County,Shanxi Province and Guangyuan City, Sichuan Province. The on-site investigation shows that the maximum intensity of this earthquake event reaches Ⅵ degree. The isoseismal is generally in elliptic shape with long axis trending near NE direction. The area of Ⅵ degree includes the 13 towns of the Shanxi and Sichuan Provinces. A part of buildings in the area were Slightly damaged by this earthquake. The Qingchuan fault of the Longmenshan fault zone is the seismogenic structure for this earthquake event.更多还原