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Deformation analysis of Yutian earthquake based on scansar interferometry

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Authors:Jiang Tingchen; Li Tao; Liu Jingnan
Author Affiliations:Primary:
Huaihai Institute of Technology, School of Geodesy and Geomatics Engineering, Lianyungang, China
Wuhan University, China
Volume Title:Dadi Celiang yu Diqiu Dongli Xue Journal of Geodesy and Geodynamics
Source:Dadi Celiang yu Diqiu Dongli Xue = Journal of Geodesy and Geodynamics, 32(6), p.13-16. Publisher: Gai Kan Bianjibu, Wuhan, China. ISSN: 1671-5942
Publication Date:2012
Note:In Chinese with English summary. 7 refs.
Summary:There was a M7.3 earthquake at the boundary of Yutian County in Hotan Prefecture, Xinjiang, China, on March 21, 2008, which was considerably destructive. The derived deformation field is an effective way to retrieve the geophysical parameters and study the seismic mechanism. Taking advantage of the wide swath and short revisit time, ScanSAR data were used to determine the Yutian earthquake's deformation field. First, the geolocation of the Yutian area was introduced. The process of ScanSAR interferometry was analyzed in detail. Finally, the deformation field was derived with an extent of 400 km×400 km. At the same time, the IM interferometry deformation field is derived with an extent of 100 km×100 km. With the application of ScanSAR interferometry to the Yutian earthquake, it is significant for earth science research into large earthquakes and crustal motion.
Subjects:Coseismic processes; Deformation; Earthquakes; InSAR; Interferometry; Radar methods; SAR; Asia; China; Far East; Xinjiang China; Hotan China; Yutian China; Yutian earthquake 2008
Coordinates:N365200 N365200 E0814200 E0814200
Record ID:788491-3
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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