Monitoring the horizontal movement along the Shanxi fault zone by GPS measurement

Yang, Guohua; Zhao, Chengkun; Yue-ping, Han; Xiu-wen, Wang; Guo, Yue-Hong

doi:10.1007/s11589-000-0049-0

Cited by 6 publications

(3 citation statements)

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“…The data of 1998∼1999 show that the movement of most points is opposite to the previous year, and the displacement value is close. The Datong-Yanggao M 5.6 earthquake of Nov. 1st, 1999 occurred after this near-whole rebound [9] .…”

Section: Horizontal Movement State and Stress-strain Field Of Shanxi mentioning

confidence: 99%

Research on Relationship Between Stress Field Variation and Earthquakes in Shanxi Area, China

Xiu-wen

Song

Yang³

et al. 2010

Chinese J of Geophysics

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Based on the focal mechanism solution database established by collecting 37 years initial motion of small earthquakes (1970~2006), the space‐time evolution characteristics of small‐earthquake integrated mechanisms in Shanxi fault zone are studied in this paper. The results indicate that small‐earthquake integrated mechanisms in Shanxi fault zone are mainly dominated by strike slip normal faults; those at two ends of the zone are dominated by extension tectonics and those in the central region by shearing. The difference between the stress field of Huabei and the regional stress fields of Xinding and Taiyuan Basins is very large. The relationship between horizontal motions and earthquake activities in Shanxi fault zone is analyzed according to the 12 stages of re‐measuring data of GPS monitoring network along the Shanxi fault zone (1996~2007). The results indicate that the Shanxi fault zone now is mainly controlled by compressional stress field along NWW‐SEE direction and tensile stress along NNE‐SSW. One obvious stress disturbance occurred during the period of 1998~1999, which was stronger in the north and weaker in the south. This was followed by Datong‐Yanggao M5.6 earthquake on 1st Nov.1999.

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Section: Horizontal Movement State and Stress-strain Field Of Shanxi mentioning

confidence: 99%

Research on Relationship Between Stress Field Variation and Earthquakes in Shanxi Area, China

Xiu-wen

Song

Yang³

et al. 2010

Chinese J of Geophysics

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“…Based on data of 375 sites, Yang et al [18] used the 3D multi-kern function approximation [14] to solve strain rates of continental China. The resulting picture of strain rates is roughly consistent with this study with some local differences.…”

Section: Comparison With Previous Studiesmentioning

confidence: 99%

Present-day horizontal deformation status of continental China and its driving mechanism

Chen

2007

SCI CHINA SER D

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Based on velocity data of 933 GPS sites and using the methods of Ordinary Kriging interpolation and shape function derivation, this study has obtained the strain rate field of continental China in the spherical coordinates. In comparison with previous research results, it is found that such a strain rate field can be described by both the continuous deformation and block motions in the continent. The Tibetan Plateau and Tianshan region are characterized by continuous deformation which is distributed across the whole area. Within the blocks of South China, Tarim, Ordos, and Northeast China, little crustal deformation and deformation occurs primarily on the faults along their boundaries, which can be explained by the model of block motion. In other regions, such as the Yinshan-Yanshan block, North China block, and East Shandong-Yellow Sea, deformation patterns can be explained by both models. Besides, from southwest to northeast of continental China, there are three remarkable extensional zones of NW trending. These results imply that the NNE directed push of the India plate is the primary driving force accounting for the internal deformation of continental China. It produces the uplift, horizontal shortening and vertical thickening of the Tibetan Plateau as well as radiation-like material extrusion. Of these extruded materials, one part accommodates the eastward "escape" of other blocks, generating convergence and compression of western China and widespread extension and local complicated deformation in eastern China under the joint action of the surrounding settings. The other part opens a corridor between the South China block and Tibetan Plateau, flowing toward southeast to the Myanmar range arc and filling the gap there which is produced by back-arc extension due to plate subduction.

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“…The left‐stepping, en‐echelon, and sigmoid‐shaped geometry of the fault system suggest that the SGS may be a right‐lateral, transtensional shear zone (Figure 2a; Li et al., 1998; Xu & Ma, 1992). Although a few earlier Global Positioning System (GPS) observations (e.g., Shen et al., 2000; Yang et al., 2000) dispute this conclusion, the majority of subsequent GPS‐based (e.g., Guo et al., 2004, 2022; Hao et al., 2021; Qu et al., 2014; Song et al., 2022; Wang & Shen, 2020; Wang et al., 2011; Zhao et al., 2017), seismological (Li, Kuvvet, et al., 2015; Li, Sørensen, & Atakan, 2015), and paleo‐stress studies (Shi et al., 2015) corroborate it. In addition, a set of NNE‐striking major basin‐bounding faults was interpreted to be responsible for the dextral shearing of the SGS, including from north to south the Kouquan Fault, North Liulengshan Fault (western segment; NLSF), Yunzhongshan Fault, Wutaishan Fault (western segment), Xizhoushan Fault (western segment), Huoshan Fault, Luoyunshan Fault, and Zhongtiaoshan Fault (eastern segment) (Figure 2a; Deng & Xu, 1995; Deng et al., 1999; Xu & Ma, 1992).…”

Section: Introductionmentioning

confidence: 99%

Direct Evidence for Dextral Shearing in the Shanxi Graben System: Geologic and Geomorphologic Constraints From the North Liulengshan Fault

Luo

Schoenbohm

et al. 2022

Tectonics

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North China is an ancient craton (i.e., North China Craton) in eastern continental Asia, consisting of two main tectonic blocks, the Ordos Block in the west and the North China Plain in the east (Figure 1; Zhao et al., 2005). Since its formation in the Precambrian, the North China Craton had maintained long-term tectonic stability. However, from the late Mesozoic to the Cenozoic, it has undergone tremendous craton destruction and gradually lost its stability, particularly in its eastern part (

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Monitoring the horizontal movement along the Shanxi fault zone by GPS measurement

Cited by 6 publications

References 1 publication

Research on Relationship Between Stress Field Variation and Earthquakes in Shanxi Area, China

Research on Relationship Between Stress Field Variation and Earthquakes in Shanxi Area, China

Present-day horizontal deformation status of continental China and its driving mechanism

Direct Evidence for Dextral Shearing in the Shanxi Graben System: Geologic and Geomorphologic Constraints From the North Liulengshan Fault

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