[关键词]
[摘要]
2014 年2 月12 日新疆于田县发生MS7. 3 地震,发震构造初步判断为阿尔金断裂带。推测极震区烈度为Ⅸ度,位于无人区;Ⅵ、Ⅶ度区为现场调查确定,共216 个烈度调查点。地震造成新疆和田地区和巴音郭楞蒙古自治州7 个县(市)的39 个乡、镇(场)的房屋、市政和交通设施、农牧业基础设施等受到不同程度的破坏。本次地震较2008 年3 月21 日于田MS7. 3 地震更靠近盆地,震害受场地条件影响明显,受灾范围更大。
[Key word]
[Abstract]
The Yutian earthquake with MS 7. 3 happened on February 12,2014 and the causative structure is Altun fault. The intensity of meizoseismal area is Ⅸ degree which in depopulated area. The 216 investigation points covered the area with intensity of Ⅵ,Ⅶ degree. The building,municipal facilities,traffic facilities and agriculture of about seven cities,thirty nine villages were destroyed to different degrees in Hotan and Bayinguoleng Mongolian Autonomous Prefecture. The seismic hazard were influenced by site conditions in a large area because this earthquake was closer to the basin than the Yutian earthquake with MS7. 3 in 2008.
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[基金项目]
地震科技星火计划“新疆抗震安居房震害矩阵研究”(XH13026Y)、新疆地震科学基金资助项目“新疆高烈度地区乡镇低层砖混结构房屋隔震技术研究”(201308)联合资助