地理空间信息2025,Vol.23Issue(7):31-34,4.DOI:10.3969/j.issn.1672-4623.2025.07.007
基于多源SAR的2024年乌什MS7.1地震形变监测
Earthquake Deformation Monitoring of Wushi MS7.1 in 2024 Based on Multi-source SAR
摘要
Abstract
Based on the ascending and descending orbit data from the LT-1 satellite and DEM,taking the MS7.1 earthquake occurred on January 23,2024,in Wushi County,Aksu Prefecture,Xinjiang Uygur Autonomous Region,as a case study,we used the two-pass differential interferometric synthetic aperture radar(DInSAR)technology to extract the co-seismic deformation fields of ascending and descending orbits in Wushi County,and compared with the results derived from Sentinel-1 satellite data,to verify the accuracy and reliability of geophysical field change information obtained by LT-1 satellite data before and after the earthquake.The results indicated that the maximum line-of-sight uplift amounts for the LT-1 satellite data during the Wushi County earthquake were 126 cm(ascending orbit)and 138 cm(descending orbit),while the maximum line-of-sight subsidence amounts were 13 cm(ascending orbit)and 33 cm(descending orbit),respectively.The deformation was mainly in the vertical direction,and the trend of co-seismic deformation field was generally consistent with the ascending orbit data from the Sentinel-1 satellite.关键词
乌什地震/DInSAR/同震形变场/陆探一号卫星Key words
Wushi County earthquake/DInSAR/co-seismic deformation/LT-1 satellite分类
天文与地球科学引用本文复制引用
高晨辉,王晓光,杨乐..基于多源SAR的2024年乌什MS7.1地震形变监测[J].地理空间信息,2025,23(7):31-34,4.基金项目
兵团重点领域科技攻关资助项目(2023AB074). (2023AB074)