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Longmenshan fault zone

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Journal Article

Detection of the Shuangshi-Dachuan Fault using Shallow Seismic Reflection in the Southern Section of the Longmenshan Fault Zone

Dahu Li, Hua Liao, Zhifeng Ding, Pingping Wu
Published: 01 December 2016
Journal of Environmental and Engineering Geophysics (2016) 21 (4): 161–172.
DOI: https://doi.org/10.2113/JEEG21.4.161
..., the Lushan M s7.0 earthquake occurred near the Shuangshi-Dachuan Fault (SDF) in the southern section of the Longmenshan fault zone. Because of its relatively high rate of earthquake activity, complex seismo-tectonic environment, and unique geological conditions, achieving usable data with seismic reflection...
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Tectonic settings of the <span class="search-highlight">Longmenshan</span> <span class="search-highlight">fault</span> <span class="search-highlight">zone</span>. The following <span class="search-highlight">faults</span> are i...

Tectonic settings of the Longmenshan fault zone. The following faults are i...

Published: 01 December 2016
Figure 1.  Tectonic settings of the Longmenshan fault zone. The following faults are identified: GLF = Gengda-Longdong Fault; YWF = Yanjing-Wulong Fault; SDF = Shuangshi-Dachuan Fault; XKDF = Xinkaidian Fault; DYF = Dayi Fault; XSHF = Xianshuihe Fault; DDHF = Daduhe Fault; PXF = Pujiang-Xinjin
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(a) Tectonic settings of the <span class="search-highlight">Longmenshan</span> <span class="search-highlight">fault</span> <span class="search-highlight">zone</span>. Red and yellow stars i...

(a) Tectonic settings of the Longmenshan fault zone. Red and yellow stars i...

Published: 03 June 2015
Figure 1. (a) Tectonic settings of the Longmenshan fault zone. Red and yellow stars indicate the epicenters of the Wenchuan and Lushan earthquakes, respectively. The focal mechanisms of the Lushan earthquake and Wenchuan earthquake are also shown. Red circles represent aftershocks of the Lushan
Journal Article

Eikonal Equation‐Based Seismic Tomography of the Source Areas of the 2008 M w 7.9 Wenchuan Earthquake and the 2013 M w 6.6 Lushan Earthquake

Jun Li, Hui Li, Hui Chen, Jinrong Su, Yongsheng Liu, Ping Tong
Published: 18 February 2020
Bulletin of the Seismological Society of America (2020) 110 (2): 886–897.
DOI: https://doi.org/10.1785/0120190134
...Jun Li; Hui Li; Hui Chen; Jinrong Su; Yongsheng Liu; Ping Tong ABSTRACT We use the eikonal equation‐based seismic travel‐time tomography method to image the source areas of the 2008 Wenchuan earthquake and the 2013 Lushan earthquake in the Longmenshan fault zone. High‐resolution V P and V S models...
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Seismic Velocity Variations over Four Years (2013–2016) along the Longmenshan Faults in Sichuan, China

Huiyu Zhu, Mengyao Sun, Jie Zhang
Published: 22 February 2022
Bulletin of the Seismological Society of America (2022) 112 (3): 1315–1322.
DOI: https://doi.org/10.1785/0120210183
... along the Longmenshan faults in Sichuan, China, which were inferred from ambient seismic noise from 2013 to 2016, during which the M s 7.0 Lushan earthquake occurred and introduced clear velocity changes along the southern segments of the Longmenshan faults. The Longmenshan fault zone consists...
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Active blocks and principal active <span class="search-highlight">faults</span> in southwest China. The black lin...

Active blocks and principal active faults in southwest China. The black lin...

Published: 25 September 2024
. , 2003 ). LMS fault zone refers to Longmenshan fault zone; DLS fault zone refers to Daliangshan fault zone. The color version of this figure is available only in the electronic edition.
Journal Article

Analysis of Structural Information from Aftershock Clouds—A Case Study of the 2008 M s 8.0 Wenchuan Earthquake

Tian Tian, Zhang Jingfa, Jiang Wenliang
Published: 07 June 2023
Seismological Research Letters (2023) 94 (5): 2411–2425.
DOI: https://doi.org/10.1785/0220220164
... based on the aftershocks of the Wenchuan earthquake. The geometric characteristics of the rupture surfaces show that the Longmenshan fault zone should be divided into seven segments from south to north, and for most of the rupture surfaces, there are two discontinuities at depths of 10 and 20 km...
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Preface to the Focus Section on the 20 April 2013 Magnitude 6.6 Lushan, China, Earthquake

Huajian Yao, Zhigang Peng
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 6–7.
DOI: https://doi.org/10.1785/0220130184
...Huajian Yao; Zhigang Peng © 2014 by the Seismological Society of America The 20 April 2013 Lushan earthquake (moment magnitude M w  6.6, surface‐wave magnitude M s  7.0) ruptured part of the southern segment of the Longmenshan fault zone in western Sichuan, China. The Longmenshan fault...
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Estimated stress ratio for principal stresses ( σ 1 , σ 2 , ...

Estimated stress ratio for principal stresses ( σ 1 , σ 2 , ...

Published: 15 June 2023
, and the Longmenshan fault zone (e,f). The standard errors were estimated using the Monte Caro approach with 1000 runs by randomly choosing one of the nodal planes to be considered as the source faults. PDF, probability density function.
Journal Article

The 2013 Lushan M s 7.0 Earthquake: Varied Seismogenic Structure from the 2008 Wenchuan Earthquake

Chen Lichun, Wang Hu, Ran Yongkang, Lei Shengxue, Li Xi, Wu Fuyao, Ma Xingquan, Liu Chenglong, Han Fei
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 34–39.
DOI: https://doi.org/10.1785/0220130109
... or greater could recur in the southern segment of the Longmenshan fault zone. However, there are few data available on the late Quaternary activity of this section, and the degree of activity is disputed ( Zhao et al. , 1990 ; Yang et al. , 1999 ; Densmore et al. , 2007 ; Institute of Geology, China...
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Map showing earthquake-triggered landslides in southwestern China. (a) Inse...

Map showing earthquake-triggered landslides in southwestern China. (a) Inse...

Published: 24 February 2022
on inferred seismic intensity VII. Blue lines indicate landslides from recent earthquake events with field inspection. Abbreviations: E.KL.F. Z: the eastern Kunlunshan fault zone; LMS F.Z.: the Longmenshan fault zone; MD F.Z.: the Maduo fault zone; JSJ F.Z.: the Jinshajiang fault zone; XSH F.Z
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Topographic map with earthquakes and station locations. This study contains...

Topographic map with earthquakes and station locations. This study contains...

Published: 30 November 2023
triangles indicate the station locations of A and B, respectively. The seismic wave attenuation path of A is a light blue solid line, and the seismic wave attenuation path of B is a lavender solid line. The red solid line indicates the Longmenshan fault zone.
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(a) Topography of the Sichuan basin, the surrounding tectonic blocks, and l...

(a) Topography of the Sichuan basin, the surrounding tectonic blocks, and l...

Published: 13 April 2023
; LMS‐F, the Longmenshan fault zone; LQS‐F, the Longquanshan fault zone; QYS‐F, the Qiyaoshan fault zone. (b) The M s  6.0 Luxian earthquake occurred in the Yujiasi (YJS) syncline between the western and eastern branch of the Huayingshan fault in the LZ block. The color version of this figure
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Geological setting of the 2008 Mw 7.9 Wenchuan (China) earthquake and locat...

Geological setting of the 2008 Mw 7.9 Wenchuan (China) earthquake and locat...

Published: 01 January 2014
the margin of the Longmenshan mountains and Sichuan Basin. Red star marks epicenter of the mainshock. Inset is a schematic drawing of the Tibetan Plateau. B: Cross section of the WFSD-1 drilling site showing the Longmenshan fault zone and surrounding formations encountered in the borehole (after Li et al
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A , Sketch tectonic map of eastern Asia, with location of the Songpan-Ganzi...

A , Sketch tectonic map of eastern Asia, with location of the Songpan-Ganzi...

Published: 01 January 2012
Suture; L, Longmenshan Fault Zone; Qi, Qilian Suture; Ql, Qinling Suture; S, Shuanghu Suture; Sl, Sulu ultrahigh-pressure (UHP) Belt; T, Tanlu Fault Zone; Ts, Tianshan Suture; Y, Yarlung Zangbo Suture; Ys, Yinshan Suture. B , Sketch geologic map of the SGC, Tibet, western China, showing the locations
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Map of the tectonic environment of Sichuan–Yunnan and surrounding regions w...

Map of the tectonic environment of Sichuan–Yunnan and surrounding regions w...

Published: 27 April 2022
, Lancangjiang fault zone; LJ‐XJHFZ, Lijiang‐Xiaojinhe fault zone; LMSFZ, Longmenshan fault zone; LZJFZ, Luzhijiang fault zone; RRFZ, Red River fault zone; XJFZ, Xiaojiang fault zone; XSHFZ, Xianshuihe fault zone. Thick dotted black lines show the boundaries of SB (Sichuan basin) and Yangtze block (YB). Major
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Seismotectonic map of the study area. (a) Tectonic setting and surface topo...

Seismotectonic map of the study area. (a) Tectonic setting and surface topo...

Published: 18 February 2020
in the upper left inset map indicates the position of the whole region shown in (a) in Southwest China, while the red arrow denotes the relative motion of the Indian plate with respect to the Eurasian plate. (b) Tectonic setting of the Longmenshan fault zone and two complexes in the study area.
Journal Article

The 2013 Lushan Earthquake in China Tests Hazard Assessments

Mian Liu, Gang Luo, Hui Wang
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 40–43.
DOI: https://doi.org/10.1785/0220130117
... Lushan earthquake, which occurred in the morning of 20 April 2013, killing ∼200 people and injuring ∼12,000. After the Wenchuan earthquake, the Longmenshan fault zone and the neighboring faults have been intensively studied in an attempt to assess earthquake hazard in this region. Are these assessments...
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Gouge graphitization and dynamic fault weakening during the 2008 Mw 7.9 Wenchuan earthquake

Li-Wei Kuo, Haibing Li, Steven A.F. Smith, Giulio Di Toro, John Suppe, Sheng-Rong Song, Stefan Nielsen, Hwo-Shuenn Sheu, Jialiang Si
Journal: Geology
Published: 01 January 2014
Geology (2014) 42 (1): 47–50.
DOI: https://doi.org/10.1130/G34862.1
... the margin of the Longmenshan mountains and Sichuan Basin. Red star marks epicenter of the mainshock. Inset is a schematic drawing of the Tibetan Plateau. B: Cross section of the WFSD-1 drilling site showing the Longmenshan fault zone and surrounding formations encountered in the borehole (after Li et al...
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Aftershock Observation and Analysis of the 2013 M s 7.0 Lushan Earthquake

Lihua Fang, Jianping Wu, Weilai Wang, Wenkang Du, Jinrong Su, Changzai Wang, Ting Yang, Yan Cai
Published: 03 June 2015
Seismological Research Letters (2015) 86 (4): 1135–1142.
DOI: https://doi.org/10.1785/0220140186
...Figure 1. (a) Tectonic settings of the Longmenshan fault zone. Red and yellow stars indicate the epicenters of the Wenchuan and Lushan earthquakes, respectively. The focal mechanisms of the Lushan earthquake and Wenchuan earthquake are also shown. Red circles represent aftershocks of the Lushan...
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