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Journal Article

Frictional Properties of Sedimentary Rocks and Natural Fault Gouge from the Longmen Shan Fault Zone, Sichuan, China Available to Purchase

Berend A. Verberne, Changrong He, Christopher J. Spiers
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2767–2790.
DOI: https://doi.org/10.1785/0120090287
...Berend A. Verberne; Changrong He; Christopher J. Spiers Abstract In this paper, we report friction experiments performed on samples collected from the region hit by the 2008 Wenchuan earthquake in the Longmen Shan fault zone ( LFZ ) of Sichuan, southwestern China. The materials tested consisted...
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View PDF for article title, Frictional Properties of Sedimentary Rocks and Natural <span class="search-highlight">Fault</span> Gouge from the <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> <span class="search-highlight">Fault</span> <span class="search-highlight">Zone</span>, Sichuan, China
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Journal Article

Modeling the Spatiotemporal Seismicity Patterns of the Longmen Shan Fault Zone Based on the Coulomb Rate and State Model Available to Purchase

Ke Jia
Published: 23 September 2020
Seismological Research Letters (2021) 92 (1): 275–286.
DOI: https://doi.org/10.1785/0220200088
...Ke Jia Abstract In the past two decades, three major earthquakes have occurred near the Longmen Shan fault zone, Sichuan, China (the 2008 M w 7.9 Wenchuan, 2013 M w 6.6 Lushan, and 2017 M w 6.5 Jiuzhaigou earthquakes), in response to the continuous collision of the Indian and Eurasian plates...
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View PDF for article title, Modeling the Spatiotemporal Seismicity Patterns of the <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> <span class="search-highlight">Fault</span> <span class="search-highlight">Zone</span> Based on the Coulomb Rate and State Model
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Includes: Supplemental Content
Journal Article

Shallow Structure of the Longmen Shan Fault Zone from a High‐Density, Short‐Period Seismic Array Available to Purchase

Yuting Zhang, Hongyi Li, Yafen Huang, Min Liu, Yong Guan, Jinrong Su, Tongli Wang
Published: 19 November 2019
Bulletin of the Seismological Society of America (2020) 110 (1): 38–48.
DOI: https://doi.org/10.1785/0120190147
...Yuting Zhang; Hongyi Li; Yafen Huang; Min Liu; Yong Guan; Jinrong Su; Tongli Wang ABSTRACT The Longmen Shan fault zone that was shocked by the 12 May 2008 M 8.0 Wenchuan earthquake acts as the boundary between the western edge of the Sichuan basin and the steep eastern margin of the Songpan‐Ganze...
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Journal Article

Paleoseismic investigation of the seismic gap between the seismogenic structures of the 2008 Wenchuan and 2013 Lushan earthquakes along the Longmen Shan fault zone at the eastern margin of the Tibetan Plateau Open Access

Hu Wang, Lichun Chen, Yongkang Ran, Shengxue Lei, Xi Li
Journal: Lithosphere
Publisher: GSW
Published: 01 February 2015
Lithosphere (2015) 7 (1): 14–20.
DOI: https://doi.org/10.1130/L373.1
...Hu Wang; Lichun Chen; Yongkang Ran; Shengxue Lei; Xi Li Abstract The 2008 Mw 7.9 Wenchuan earthquake occurred along the middle and northern segments of the Longmen Shan fault zone at the eastern margin of the Tibetan Plateau. Five years later, the 2013 Mw 6.6 Lushan earthquake ruptured a section...
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View PDF for article title, Paleoseismic investigation of the seismic gap between the seismogenic structures of the 2008 Wenchuan and 2013 Lushan earthquakes along the <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> <span class="search-highlight">fault</span> <span class="search-highlight">zone</span> at the eastern margin of the Tibetan Plateau
Add to Citation Manager for Paleoseismic investigation of the seismic gap between the seismogenic structures of the 2008 Wenchuan and 2013 Lushan earthquakes along the <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> <span class="search-highlight">fault</span> <span class="search-highlight">zone</span> at the eastern margin of the Tibetan Plateau
Journal Article

The Multiscale Structure of the Longmen Shan Central Fault Zone from Local and Teleseismic Data Recorded by Short‐Period Dense Arrays Available to Purchase

Yafen Huang, Hongyi Li, Xin Liu, Yuting Zhang, Min Liu, Yong Guan, Jinrong Su
Published: 30 June 2020
Bulletin of the Seismological Society of America (2020) 110 (6): 3077–3087.
DOI: https://doi.org/10.1785/0120190292
...Yafen Huang; Hongyi Li; Xin Liu; Yuting Zhang; Min Liu; Yong Guan; Jinrong Su ABSTRACT The Longmen Shan fault zone (FZ), which consists of the back‐range, the central, and the front‐range faults, acts as the boundary between the Sichuan basin and eastern Tibet. In this study, local and teleseismic...
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View PDF for article title, The Multiscale Structure of the <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> Central <span class="search-highlight">Fault</span> <span class="search-highlight">Zone</span> from Local and Teleseismic Data Recorded by Short‐Period Dense Arrays
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Journal Article

Central Fault‐Zone Structure in the Northern Longmen Shan Revealed by a Dense Linear Array Available to Purchase

Jinze Wang, Hongyi Li, Yuting Zhang, Xin Liu
Published: 11 June 2025
Bulletin of the Seismological Society of America (2025)
DOI: https://doi.org/10.1785/0120240252
...Jinze Wang; Hongyi Li; Yuting Zhang; Xin Liu ABSTRACT The Longmen Shan (LMS) fault zone, located in the eastern margin of the Tibetan Plateau, serves as the principal fault controlling the regional seismicity. Because of the harsh natural environment, previous studies in this region have primarily...
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View PDF for article title, Central <span class="search-highlight">Fault</span>‐<span class="search-highlight">Zone</span> Structure in the Northern <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span> Revealed by a Dense Linear Array
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Includes: Supplemental Content
Image
Fault distribution of the Longmen Shan fault zone denoted by the blue shading area (modified after Chen et al., 2013). Purple dots denote aftershocks of the 2008 Wenchuan earthquake, and yellow ones show aftershocks of the 2013 Lushan earthquake. Between the seismogenic structures of the two earthquakes, there is a seismic gap with a length of ∼50 km denoted by a white open ellipsoid. NS, MS, and SS—northern, middle, and southern segments of the Longmen Shan fault zone; XSHF—Xianshuihe fault zone; YBF—Yingxiu-Beichuan fault; GJF—Guanxian-Jiangyou fault; WMF—Wenchuan-Maoxian fault; GLF—Gengda-Longdong fault; YWF—Yanjing-Wulong fault; DSF—Dachuan-Shuangshi fault. The inset map shows the tectonic background of the Tibetan Plateau, and the two solid red and yellow circles correspond to the two earthquakes mentioned in this study. The red and yellow shaded regions represent the Bayan Har block and Sichuan-Yunnan faulted block, respectively.

Fault distribution of the Longmen Shan fault zone denoted by the blue shadi... Open Access

Published: 01 February 2015
Figure 1. Fault distribution of the Longmen Shan fault zone denoted by the blue shading area (modified after Chen et al., 2013 ). Purple dots denote aftershocks of the 2008 Wenchuan earthquake, and yellow ones show aftershocks of the 2013 Lushan earthquake. Between the seismogenic structures
Image
Tectonic background of the Longmen Shan fault zone and its vicinity. The orange solid circles represent epicenter locations of earthquakes with magnitudes greater than 4.0 from 1 January 1980 to 20 April 2013. The black and blue stars represent the epicenters of the Wenchuan and Lushan earthquakes, respectively, and their focal mechanisms are from global CMT. The white‐ and blue‐dashed polygons represent the region for model fitting and background seismicity checking, respectively. The black lines indicate major faults in this region (Zhang et al., 2003). The relocated aftershock sequences of the Wenchuan and Lushan earthquakes are from Huang et al. (2008) and Fang et al. (2013).

Tectonic background of the Longmen Shan fault zone and its vicinity. The or... Available to Purchase

Published: 01 January 2014
Figure 1. Tectonic background of the Longmen Shan fault zone and its vicinity. The orange solid circles represent epicenter locations of earthquakes with magnitudes greater than 4.0 from 1 January 1980 to 20 April 2013. The black and blue stars represent the epicenters of the Wenchuan and Lushan
Image
Distribution of the Longmen Shan fault zone and nearby active faults. Location 1 is the Wenchuan–Maoxian fault; location 2 is the Yingxiu–Beichuan fault; and location 3 is the Guanxian–Jiangyou fault. These three faults make up the Longmen Shan fault zone. Asterisk denotes the epicenter of the Wenchuan earthquake.

Distribution of the Longmen Shan fault zone and nearby active faults. Locat... Available to Purchase

Published: 01 November 2010
Figure 1. Distribution of the Longmen Shan fault zone and nearby active faults. Location 1 is the Wenchuan–Maoxian fault; location 2 is the Yingxiu–Beichuan fault; and location 3 is the Guanxian–Jiangyou fault. These three faults make up the Longmen Shan fault zone. Asterisk denotes the epicenter
Image
Location map of the Longmen Shan fault zone and regional topography. The epicenter of the Wenchuan earthquake (Mw 7.9), indicated by a star, was determined by the National Earthquake Information Center (2008). Major (thick) and minor (thin) fault traces are drawn from Densmore et al. (2007). WMF, Wenchuan–Maowen fault; BF, Beichuan fault (also referred to as the Yingxu–Beichuan fault); PF, Pengguan fault (a combination of the Xiangshui fault in the north and the An Xian–Guan Xian fault in the south); XYD, Xiaoyudong rupture zone identified by Xu et al. (2009) and Liu-Zeng et al. (2009). Seven rectangles represent the areas observed by ALOS/PALSAR; each area is designated by a path number, 471–477. The color version of this figure is available only in the electronic edition.

Location map of the Longmen Shan fault zone and regional topography. The ep... Available to Purchase

Published: 01 November 2010
Figure 1. Location map of the Longmen Shan fault zone and regional topography. The epicenter of the Wenchuan earthquake ( M w  7.9), indicated by a star, was determined by the National Earthquake Information Center (2008) . Major (thick) and minor (thin) fault traces are drawn from Densmore
Image
Map of Longmen Shan fault zones and template events in the study region. (a) Red lines mark major faults in the study area. Green circles are template events scaled to magnitude. The red star is the epicenter of the Mw 7.9 Wenchuan earthquake. White stars mark suspected mine blasts. Yellow triangles are stations from the Zipingpu Reservoir Seismic Network (ZRSN). The green rectangle in the inset map represents the study area in China. (b) Enlarged map of the blue rectangle in (a); the legends are the same as in (a). The blue area represents the Zipingpu reservoir.

Map of Longmen Shan fault zones and template events in the study region. (a... Available to Purchase

Published: 04 July 2017
Figure 1. Map of Longmen Shan fault zones and template events in the study region. (a) Red lines mark major faults in the study area. Green circles are template events scaled to magnitude. The red star is the epicenter of the M w  7.9 Wenchuan earthquake. White stars mark suspected mine
Journal Article

Fault Source Modeling of the 2008 Wenchuan Earthquake Based on ALOS/PALSAR Data Available to Purchase

M. Furuya, T. Kobayashi, Y. Takada, M. Murakami
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2750–2766.
DOI: https://doi.org/10.1785/0120090242
...Figure 1. Location map of the Longmen Shan fault zone and regional topography. The epicenter of the Wenchuan earthquake ( M w  7.9), indicated by a star, was determined by the National Earthquake Information Center (2008) . Major (thick) and minor (thin) fault traces are drawn from Densmore...
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Journal Article

OSL and AMS Dating of the Penultimate Earthquake at the Leigu Trench along the Beichuan Fault, Longmen Shan, in the Northeast Margin of the Tibetan Plateau Available to Purchase

Jin Feng Liu, Jie Chen, Jin Hui Yin, Yan Chou Lu, Andrew Murray, Li Chun Chen, Jessica Thompson, Hui Li Yang
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2681–2688.
DOI: https://doi.org/10.1785/0120090297
... reccurrence intervals and slip rates of the Longmen Shan fault zone. The Leigu trench was excavated along the middle segment of the surface rupture of the Yingxiu–Beichuan fault zone. Based on the syntectonic sedimentary structure, two earthquake events, including the 5.12 event, were identified at this site...
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View PDF for article title, OSL and AMS Dating of the Penultimate Earthquake at the Leigu Trench along the Beichuan <span class="search-highlight">Fault</span>, <span class="search-highlight">Longmen</span> <span class="search-highlight">Shan</span>, in the Northeast Margin of the Tibetan Plateau
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Journal Article

Testing Earthquake Early Warning Parameters, τ p max , τ c , and P d , for Rapid Magnitude Estimation in the Sichuan, China, Region Available to Purchase

Hongjie Li, Jianjing Zhang, Yalei Tang
Published: 18 April 2017
Bulletin of the Seismological Society of America (2017) 107 (3): 1439–1450.
DOI: https://doi.org/10.1785/0120160386
...Hongjie Li; Jianjing Zhang; Yalei Tang Abstract To mitigate the potential seismic disasters dominated by the Longmen Shan fault zone (LFZ) in the Sichuan region, building up suitable magnitude‐estimation models for earthquake early warning (EEW) systems is important. In this article, the records...
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(a) The epicenter locations of the Mw 7.9 Wenchuan (large star) and Mw 6.6 Lushan (small star) earthquakes and their aftershocks (circles higher than 30.5° N for the Wenchuan earthquakes and circles lower than 30.5° N for the Lushan earthquakes) in a week and their focal mechanism solutions are beside them. The curve is the general trace of the Longmen Shan fault and the circle sizes are related to the earthquake magnitudes. The triangles show the station distributions. (b) Sketch of the central fault, mountain front fault, and mountain back fault of the Longmen Shan fault zone, including Wenchuan–Mao County fracture, Pingwu–Qingchuan fracture, Yingxiu–Beichuan fracture, Guan County–An County fracture, and Jiangyou fracture, which are marked as (1)–(5) in the figure. (1) and (2) form the mountain back fault, whereas (4) and (5) compose the mountain front fault.The color version of this figure is available only in the electronic edition.

(a) The epicenter locations of the M w  7.9 Wenchuan (large star) a... Available to Purchase

Published: 18 April 2017
and their focal mechanism solutions are beside them. The curve is the general trace of the Longmen Shan fault and the circle sizes are related to the earthquake magnitudes. The triangles show the station distributions. (b) Sketch of the central fault, mountain front fault, and mountain back fault of the Longmen
Image
(a) Topographic map of the Longmen Shan (LMS) fault zone and surrounding areas. The red rectangle represents the study region. The inset map shows the position of the LMS fault zone on the active tectonic map of the Chinese mainland. Gray hollow circles represent the background earthquakes in the area from May 2008 to December 2024, which were reported by the China Earthquake Network Center (see Data and Resources). Focal mechanism plots show three earthquakes greater than Ms 7.0. Cyan arrows with error ellipses of 95% confidence illustrate the horizontal Global Navigation Satellite System (GNSS) velocities of crustal motion (Sun et al., 2024). (b) Geological map with the station distribution in the study area, revised from Li et al. (2019). The black triangles represent the stations. F1–F3 indicate the back‐range, the central, and the front‐range faults, respectively. The red‐solid lines show rivers. C, Carboniferous; CENC, China Earthquake Networks Center; D, Devonian; J, Jurassic; K, Cretaceous; O, Ordovician; P, Permian; S, Silurian; T, Triassic; Z, Sinian; 9, Cambrian; 11, pre‐Sinian. The color version of this figure is available only in the electronic edition.

(a) Topographic map of the Longmen Shan (LMS) fault zone and surrounding ar... Available to Purchase

Published: 11 June 2025
Figure 1. (a) Topographic map of the Longmen Shan (LMS) fault zone and surrounding areas. The red rectangle represents the study region. The inset map shows the position of the LMS fault zone on the active tectonic map of the Chinese mainland. Gray hollow circles represent the background
Image
Trenches excavated along the Dachuan-Shuangshi fault (DFS) along the southern segment of the Longmen Shan fault zone. The white ellipsoid denotes the gap between the seismogenic structures of the 2008 Wenchuan and 2013 Lushan earthquakes (EQ). The blue ellipsoid shows the meizoseismal region (IX degrees) produced by the 2013 Lushan earthquake. Small colored rectangles in the gap show trenching sites from this study (red), Densmore et al. (2007) (blue), and Chen et al. (2013) (white). Yellows dots represent locations of aftershocks of the 2013 Lushan earthquake. The big solid red circle shows the epicenter of the 2008 Wenchuan earthquake; the smaller one is related to the 2013 Lushan earthquake (L.S. Xu et al., 2013).

Trenches excavated along the Dachuan-Shuangshi fault (DFS) along the southe... Open Access

Published: 01 February 2015
Figure 2. Trenches excavated along the Dachuan-Shuangshi fault (DFS) along the southern segment of the Longmen Shan fault zone. The white ellipsoid denotes the gap between the seismogenic structures of the 2008 Wenchuan and 2013 Lushan earthquakes (EQ). The blue ellipsoid shows the meizoseismal
Journal Article

Tracking the Rupture of the 2008 Wenchuan Earthquake by Using the Relative Back-Projection Method Available to Purchase

Hao Zhang, Zengxi Ge
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2551–2560.
DOI: https://doi.org/10.1785/0120090243
...Figure 1. Distribution of the Longmen Shan fault zone and nearby active faults. Location 1 is the Wenchuan–Maoxian fault; location 2 is the Yingxiu–Beichuan fault; and location 3 is the Guanxian–Jiangyou fault. These three faults make up the Longmen Shan fault zone. Asterisk denotes the epicenter...
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Numeric Modeling of the Strain Accumulation and Release of the 2008 Wenchuan, Sichuan, China, Earthquake Available to Purchase

Shoubiao Zhu, Peizhen Zhang
Published: 01 November 2010
Bulletin of the Seismological Society of America (2010) 100 (5B): 2825–2839.
DOI: https://doi.org/10.1785/0120090351
..., we apply a rate-dependent friction law with μ 0=0.6 and zero cohesion. Gravity is included in the model as a body force. The Longmen Shan fault zone consists of three fault strands, along which two have been ruptured during the 2008 Wenchuan earthquake ( Densmore et al. , 2007 ; Zhang, Xu...
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Neotectonic setting of the Wenchuan earthquake in and around Longmen Shan. Coarse and fine black lines indicate the major and secondary active faults with strike-slip rate in mm/yr. Gray lines indicate the middle Pleistocene faults and red lines indicate the coseismic surface-rupture zones (Xu, Wen, et al., 2009). The white, yellow, and pink circles show the relocated aftershocks (Zhu et al., 2008), the relocated instrumental earthquakes from A.D. 1992 to 2002 (Zhu et al., 2005), and M&gt;4.7 historic destructive earthquakes (China Earthquake Administration, 1999), respectively. Arrows represent the section boundaries along the Longmen Shan thrust belt. The inset map shows major tectonic features in Longmen Shan and its vicinity. ATF: Altyn Tagh fault; HF: Haiyuan fault; JLF: Jiali fault; LTB: Longmen Shan thrust belt; NCB: north China block; RRF: Red River fault; SCB: south China block; XF: Xianshuihe fault; XJF: Xiaojiang fault. I: Qaidam-Qilian block; II: Bayan Har block; III: Sichuan-Yunnan block. White arrow indicates block motion direction with GPS horizontal velocities (Shen et al., 2005).

Neotectonic setting of the Wenchuan earthquake in and around Longmen Shan. ... Available to Purchase

Published: 01 November 2010
Figure 1. Neotectonic setting of the Wenchuan earthquake in and around Longmen Shan. Coarse and fine black lines indicate the major and secondary active faults with strike-slip rate in mm/yr. Gray lines indicate the middle Pleistocene faults and red lines indicate the coseismic surface-rupture