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使用基于卫星的快速地震选方法评估2020年西弗里斯地震造成的建筑损坏

Yusuf Gedik¹, Orkan Özcan¹, Mihrimah Özmen²

¹Eurasia Institute of Earth Sciences, Istanbul Technical University, Istanbul, 34469, Turkey.

Scientific reports

|October 24, 2025

概括

这项研究使用卫星图像和先进分析来评估地震对建筑物的损害. 遥感和GIS方法可以快速估计地震风险,为传统建筑调查提供了替代方案.

科学领域:

地质科学地质科学
遥感遥感遥感遥感
土木工程土木工程是指土木工程.

背景情况:

地震造成重大破坏,影响地区的长期压力增加.
2020年西弗里斯地震 (Mw 6.7) 影响了住宅区,突出了地震脆弱性.
评估地震损害对于城市规划和减灾至关重要.

研究的目的:

评估2020年1月24日西维里斯地震对住宅建筑的影响.
开发和验证用于地震损害评估的遥感 (RS) 和地理信息系统 (GIS) 方法.
为了确定预测建筑物损坏的地震前关键参数.

主要方法:

使用专家评估进行地震后建筑损坏评估.
对光学和合成孔径雷达 (SAR) 卫星图像进行分析,用于土地分类和损害检测.
交叉测量SAR (InSAR) 技术 (PS和SBAS) 的应用来计算地震前的表面速度.
建筑损坏与诸如震中距离,断层距离,地震设计类 (EDC),地质 (Vs30),建筑类型,层次,表面速度和库伦应力等因素之间的相关性分析.

主要成果:

通过分析光学图像的土地利用变化,通过89.1%的准确度识别了塌的建筑物.
相关性分析显示,断层距离,层次数,EDC和表面速度是影响损坏严重性的主要因素.
通过整合RS和GIS方法,生成了一个损害估计地图.

结论:

基于RS和GIS的方法为建筑物的第一阶段地震风险评估提供了快速有效的替代方案.
这些方法减少了需要耗时的现场建筑调查的需要.
该研究表明了地震前数据和RS在主动地震风险管理方面的潜力.

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