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新疆塔什库尔干塔吉克自治县地震极灾区地震烈度遥感快速评估研究
李金香,常想德,赵朔,李亚芳,郭寅
作者单位
李金香 新疆维吾尔自治区地震局, 乌鲁木齐市新市区科学二街338号 830011 
常想德 新疆维吾尔自治区地震局, 乌鲁木齐市新市区科学二街338号 830011 
赵朔 新疆维吾尔自治区地震局, 乌鲁木齐市新市区科学二街338号 830011 
李亚芳 新疆维吾尔自治区地震局, 乌鲁木齐市新市区科学二街338号 830011 
郭寅 新疆维吾尔自治区地震局, 乌鲁木齐市新市区科学二街338号 830011 
摘要:
2017年5月11日,新疆维吾尔自治区喀什地区塔什库尔干塔吉克自治县发生MS5.5地震。为快速了解灾区灾情,本文基于无人机遥感技术获取的地震极灾区高分辨率影像数据,结合地震现场震害调查进行建筑物震害遥感解译,采用地震烈度遥感定量评估方法,进行极灾区地震烈度遥感评估。结果表明:灾区房屋结构类型主要包括土石木结构、砖木结构、砖混结构、框架结构,倒塌和局部倒塌的房屋均为土石木结构房屋,安居富民房屋无一倒塌,遥感评估的塔县地震极灾区地震烈度为Ⅷ~Ⅸ度,比中国地震局公布的地震烈度略高,今后需根据新疆实际情况修正模型,为新疆地震烈度遥感快速评估工作服务。
关键词:  塔县地震  无人机  地震烈度  遥感评估  建筑物震害
DOI:
分类号:P315
基金项目:地震应急青年重点任务(CEA_EDEM-201511)、新疆地震科学基金项目(201510)、中国地震局工程力学研究所大中城市地震灾害情景构建重点专项(2017QJGJ02)共同资助
Rapid Assessment of Seismic Intensity from Remote Sensing Images in the Extreme Earthquake Disaster Area of Taxkorgan Tajik Autonomous County, Xinjiang
Li Jinxiang,Chang Xiangde,Zhao Shuo,Li Yafang,Guo Yin
Abstract:
On May 11,2017,an earthquake(MS5.5)occurred with the epicenter(37.58°N,75.25°E)near Taxkorgan Tajik Autonomous County,Kashi Prefecture,Xinjiang Uyghur Autonomous Region,China. The focal depth is 8km. In order to quickly acquire the disaster situation,this paper carries out an interpretation of the earthquake damage in the extreme earthquake disaster area based on the high resolution image data obtained by unmanned aerial vehicle(UAV)combined with the field earthquake damage investigation. By using the RS-based seismic intensity assessment method described in the paper,the RS-based seismic intensity assessment is carried out in the extreme earthquake disaster area. The results show that the building structure types in the extreme earthquake disaster area mainly include adobe/stonehouse,brick-wood structure,brick-concrete structure and frame structure. The collapsed and partial collapsed buildings are all adobe/stone houses. There is no government-subsidized anti-seismic living house collapsed. The seismic intensity assessed from RS is Ⅷ~Ⅸ in the extreme earthquake disaster area of the Taxkorgan earthquake. It is higher than the seismic intensity officially released by CEA. In the future,the model should be revised according to the actual situation of Xinjiang so as to better serve the rapid RS-based seismic intensity assessment of the Xinjiang.
Key words:  Taxkorgan earthquake  UAV  Seismic intensity  Remote sensing based assessment  Seismic damage of buildings