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Coseismic Surface Rupture Structures Associated with 2010 Ms 7.1 Yushu Earthquake, China
Seismological Research Letters, 2012Online material: Field-measured offsets of the surface rupture. The Ms 7.1 Yushu earthquake on 14 April 2010, 07:49:38 (epicenter, 36.2°N 96.6°E; focal depth, 14 km; http://www.csi.ac.cn/manage/html/4028861611c5c2ba0111c5c558b00001/qhyushu7.1/index.html (in Chinese) was located in a remote, mountainous, and sparsely populated region ∼30 km west of ...
Jianming Guo
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Direct estimation of rupture depths of earthquake faults from coseismic surface deformation
Science China Earth Sciences, 2014The rupture dimensions of earthquake faults are important parameters for characterizing earthquake ruptures and ground motions. Two key parameters to be determined are the rupture depth and dip angle of earthquake faults. Dislocation theory in an elastic half space indicates that if a seismic rupture directly runs up to the ground surface, there exist ...
Zhen Fu +4 more
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Tectonophysics, 2021
Abstract Microstructures from a fault gouge formed during the Ms. 8.0 Wenchuan earthquake in China were investigated in detail. In samples collected near the highest vertical surface offset, two types of amorphous materials were found in the high-strain shear zone: 1) material formed by creeping during the inter-seismic period, which is characterized
Jiaxiang Dang, Yongsheng Zhou
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Abstract Microstructures from a fault gouge formed during the Ms. 8.0 Wenchuan earthquake in China were investigated in detail. In samples collected near the highest vertical surface offset, two types of amorphous materials were found in the high-strain shear zone: 1) material formed by creeping during the inter-seismic period, which is characterized
Jiaxiang Dang, Yongsheng Zhou
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Surface Rupture Kinematics and Coseismic Slip Distribution during the 2019 Mw7.1 Ridgecrest, California Earthquake Sequence Revealed by SAR and Optical Images [PDF]
Remote Sensing, 2020 The 2019 Ridgecrest, California earthquake sequence ruptured along a complex fault system and triggered seismic and aseismic slips on intersecting faults. To characterize the surface rupture kinematics and fault slip distribution, we used optical images and Interferometric Synthetic Aperture Radar (InSAR) observations to reconstruct the displacement ...
Yanchuan Li, Dezheng Zhao, Qu Chunyan
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Engineering Geology, 2021
Abstract A series of downscaled physical sandbox experiments are conducted to observe the evolution of the surface rupture induced by the oblique-slip faulting and estimate its impact on a rigid embedded shallow foundation. High-resolution orthoimages and digital surface model of the experiments are generated through the photogrammetry technique to ...
Ming-Lang Lin
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Abstract A series of downscaled physical sandbox experiments are conducted to observe the evolution of the surface rupture induced by the oblique-slip faulting and estimate its impact on a rigid embedded shallow foundation. High-resolution orthoimages and digital surface model of the experiments are generated through the photogrammetry technique to ...
Ming-Lang Lin
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Acta Geologica Sinica, 2012
Abstract:On 21 March 2008, a Ms7.3 earthquake occurred at Quickbird, Yutian County, Xinjiang. We attempt to reveal the features of the causative fault of this shock and its coseismic deformation field. Our work is based on analysis and interpretation to high‐resolution satellite images as well as differential interferometric synthetic aperture radar (D‐
SHAN Xinjian +7 more
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Abstract:On 21 March 2008, a Ms7.3 earthquake occurred at Quickbird, Yutian County, Xinjiang. We attempt to reveal the features of the causative fault of this shock and its coseismic deformation field. Our work is based on analysis and interpretation to high‐resolution satellite images as well as differential interferometric synthetic aperture radar (D‐
SHAN Xinjian +7 more
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Fault Orientation Trumps Fault Maturity in Controlling Coseismic Rupture Characteristics of the 2021 Maduo Earthquake [PDF]
AGU AdvancesFault maturity has been proposed to exert a first order control on earthquake rupture, yet direct observations linking individual rupture to long-term fault growth are rare.
Shiqing Xu +2 more
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Earth and Planetary Science Letters, 2013
Abstract We analyze high-resolution (>103 points/m2) terrestrial lidar surveys of the 4 April 2010 El Mayor–Cucapah earthquake rupture (Baja California, Mexico), collected at three sites 12–18 days after the event. Using point cloud-based tools in an immersive visualization environment, we quantify coseismic fault slip for hundreds of meters along ...
Peter O. Gold +6 more
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Abstract We analyze high-resolution (>103 points/m2) terrestrial lidar surveys of the 4 April 2010 El Mayor–Cucapah earthquake rupture (Baja California, Mexico), collected at three sites 12–18 days after the event. Using point cloud-based tools in an immersive visualization environment, we quantify coseismic fault slip for hundreds of meters along ...
Peter O. Gold +6 more
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Bulletin of the Seismological Society of America, 2022
ABSTRACTSurface ruptures and coseismic slip distributions of large earthquakes are the keys to understanding earthquake rupture processes, analyzing rupture history of associated faults, and assessing earthquake hazards. Detailed mapping of surface ruptures of large historical earthquakes is needed but is difficult in remote regions.
Jing Xu +8 more
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ABSTRACTSurface ruptures and coseismic slip distributions of large earthquakes are the keys to understanding earthquake rupture processes, analyzing rupture history of associated faults, and assessing earthquake hazards. Detailed mapping of surface ruptures of large historical earthquakes is needed but is difficult in remote regions.
Jing Xu +8 more
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Features and mechanism of coseismic surface ruptures by Wenchuan earthquake of May 12, 2008
2010The 5th International Symposium on In-Situ Rock Stress (ISRS-V), Beijing, China, 25-27 August 2010. In Rock Stress and Earthquake: proceedings of the 5th International Symposium on In-Situ Rock Stress, 2010, Chapter 124, p.
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