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Inversion of Surface Deformation and Fault Slip Distribution of Xinjiang Wushi MW7.0 Earthquake in 2024 Based on Sentinel-1A
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Jiaojiao LIU1, Yongzhi ZHANG1, 2, *, Xiaoye HAO1, Wenqiang WU1
Journal of Geodesy and Geodynamics | 2025, 45(2) : 170 - 176
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Journal of Geodesy and Geodynamics | 2025, 45(2): 170-176
Inversion of Surface Deformation and Fault Slip Distribution of Xinjiang Wushi MW7.0 Earthquake in 2024 Based on Sentinel-1A
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Jiaojiao LIU1, Yongzhi ZHANG1, 2, *, Xiaoye HAO1, Wenqiang WU1
Affiliations
  • 1 School of Geological Engineering and Geomatics, Chang'an University, 126 Yanta Road, Xi'an 710054, China
  • 2 State Key Laboratory of Geo-Information Engineering, 1 Mid-Yanta Road, Xi'an 710054, China

    • LIU Jiaojiao, postgraduate, majors in surface deformation monitoring by InSAR, E-mail:

About Author:

LIU Jiaojiao, postgraduate, majors in surface deformation monitoring by InSAR, E-mail:

Published: 2025-02-15 doi: 10.14075/j.jgg.2024.03.114
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Based on the Sentinel-1A image data covering the epicenter, we use D-InSAR to calculate the surface coseismic deformation field of Xinjiang Wushi MW7.0 earthquake. We use the quadtree method to downsample the coseismic deformation field, and optimize the geometric and physical parameters of the fault by using the downsampling data as constraint conditions. The results show that the maximum uplift values of ascending and descending orbits are 72 cm and 39 cm, respectively. The seismogenic fault is within the Maidan-Shayilamu fault, which is dominated by thrust and has a small amount of left-lateral strike-slip. The fault strike is 230°, the dip is 67°, and the slip angle is about 45°. The maximum slip on the fault plane is 3.53 m, the seismic moment is 3.78×1019Nm, and the calculated magnitude is MW7.02. The results of Coulomb stress show that the Tuoshigan fault, Kuokeshale fault, Dashixia fault, Kurukeyuzumu fault, and northern Kuqi fault are all in the stress loading region, on which we need to pay more attention in the future.

Wushi earthquake  /  InSAR coseismic deformation field  /  fault slip  /  Coulomb stress
柳姣姣, 张永志, 郝小叶, 吴文强. 基于Sentinel-1A的2024年新疆乌什MW7.0地震地表形变与断层滑动分布反演. 大地测量与地球动力学, 2025 , 45 (2) : 170 -176 . DOI: 10.14075/j.jgg.2024.03.114
Jiaojiao LIU, Yongzhi ZHANG, Xiaoye HAO, Wenqiang WU. Inversion of Surface Deformation and Fault Slip Distribution of Xinjiang Wushi MW7.0 Earthquake in 2024 Based on Sentinel-1A[J]. Journal of Geodesy and Geodynamics, 2025 , 45 (2) : 170 -176 . DOI: 10.14075/j.jgg.2024.03.114
Funding
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  • National Key Research and Development Program of China(2019YFC1509201)
Appendix
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Year 2025 volume 45 Issue 2
23
8
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Article Info
doi: 10.14075/j.jgg.2024.03.114
  • Receive Date：2024-03-17
  • Online Date：2026-10-30
  • Published：2025-02-15
Article Data
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History
  • Received：2024-03-17
Funding
National Key Research and Development Program of China(2019YFC1509201)
Affiliations
    1 School of Geological Engineering and Geomatics, Chang'an University, 126 Yanta Road, Xi'an 710054, China
    2 State Key Laboratory of Geo-Information Engineering, 1 Mid-Yanta Road, Xi'an 710054, China
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https://castjournals.cast.org.cn/joweb/ddcl/EN/10.14075/j.jgg.2024.03.114
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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