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![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).]()
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![Catalog comparisons of catalog‐China Earthquake Networks Center (CENC), catalog‐matched filter technique (MFT), and catalog‐R for 2008 Wenchuan and 2013 Lushan earthquakes. (a) Histogram of events number for three versions of catalog. (b) Spatial distribution of 2008 Wenchuan aftershocks for catalog‐CENC. (c) Catalog‐R and catalog‐MFT. (d,e) Same as panels (b) and (c), respectively, but for 2013 Lushan aftershocks. The color version of this figure is available only in the electronic edition.]()
![Coulomb failure stress change (ΔCFS) caused by the 2008 Wenchuan earthquake and the 2013 Lushan earthquake. (a–c) Effects of the coseismic effects of the two earthquakes. (d–f) Effects of the viscoelastic relaxation of the two earthquakes. (g–i) Effects of the coseismic and viscoelastic relaxation of two earthquakes. The endpoint of the purple line indicates the epicenter of the 2022 Lushan earthquake (green star).]()
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![Coseismic and postseismic CFS changes induced by the Wenchuan earthquake in Lushan region. The CFS changes are resolved at 14 km depth using focal mechanism of the Lushan earthquake from global CMT. Model A represents the rupture model of Ji and Hayes (2008) and model B represents the rupture model of Wang et al. (2011). The blue and yellow stars present the hypocenters of the Lushan and Wenchuan earthquakes from USGS, the solid circles represent cities, the black lines are major faults, and the white lines are isograms. (a) and (d) Calculated coseismic CFS change at the origin time of the Wenchuan earthquake. (b) and (e) Calculated about five years of postseismic CFS change at the origin time of the Lushan earthquake. (c) and (f) Calculated combined coseismic and postseismic CFS change at the origin time of the Lushan earthquake.]()
![(a) 3D distribution of the earthquakes (red dots) and map view of seismic stations (blue triangles). The black and yellow stars are the 2008 Wenchuan earthquake and 2013 Lushan earthquake, respectively. The yellow dots denote earthquakes within one month after the 2013 Lushan earthquake. (b) 3D distribution of the selected earthquakes after relocation and stations in the study area.]()
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![The sequence–number diagram for the catalog‐MFT and catalog‐R. (a,c) The analysis results of catalog‐MFT and catalog‐R for the Wenchuan, respectively. (b,d) The analysis results of catalog‐MFT and catalog‐R for the Lushan, respectively. (e,f) The Mc change with time for the Wenchuan and Lushan earthquakes, respectively. (g,h) The FMD of 2008 Mw 7.9 Wenchuan and 2013 Mw 6.6 Lushan, respectively. The color version of this figure is available only in the electronic edition.]()
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![(a) Topographic map of Longmen Shan, western Sichuan Province, with the epicenters of the 2008 Wenchuan and 2013 Lushan earthquakes obtained from China Earthquake Network Center and the focal mechanisms (Global Centroid Moment Tensor project). The black lines show the extent of the rupture planes of the Wenchuan earthquakes (Zhang et al., 2010; Hartzell et al., 2013). (b) Finite‐fault slip model for the Lushan earthquake (Liu et al., 2013); maximum slip is 150 cm and the rupture dimension for slip >25 cm is 20 km by 20 km.]()
![The evolution of spatial distributions of b‐values in four periods: (a) 1 July 1974–11 May 2008, (b) 12 May 2008–19 April 2013, (c) 20 April 2013–2 August 2014, and (d) 3 August 2014–16 June 2019. The nodes of the four periods are the occurrence times of three strong earthquakes: 12 May 2008 Wenchuan earthquake, 20 April 2013 Lushan earthquake, and 3 August 2014 Ludian earthquake. The extent of the Sichuan basin is roughly contained by the gray line. The color version of this figure is available only in the electronic edition.]()
![Estimated moment balance on fault segments (numbers, in 1019 N·m/year) and the corresponding moment magnitude (number in brackets). Line thickness is proportional to the scalar moment. Segments are divided based on previous rupture history and geological variations. (a) Moment balance before the 2008 Wenchuan earthquake. On the Xianshuihe fault (XSHF) and Anninghe fault (ANHF), high rates of moment accumulation are relieved by frequent large earthquakes, leaving relatively low moment deficit. The Longmenshan fault (LMSF), in contrast, had accumulated sufficient moment for the Wenchuan earthquake, for which the epicenter is shown by the star. (b) Predicted moment balance 50 years after the 2008 Wenchuan earthquake. The southern Longmenshan fault shows the largest moment deficit. The box shows the rupture zone of the Wenchuan earthquake. (c) Predicted moment balance 50 years after the 2013 Lushan earthquake. The segments of the southern Longmenshan fault on both sides of the Lushan rupture zone (box) could each produce an M 7 earthquake.]()
1-20 OF 287 RESULTS FOR
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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
Publisher: Seismological Society of America
Published: 18 February 2020
Bulletin of the Seismological Society of America (2020) 110 (2): 886–897.
...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...
FIGURES
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Includes: Supplemental Content
Journal Article
The 2013 Lushan M s 7.0 Earthquake: Varied Seismogenic Structure from the 2008 Wenchuan Earthquake
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 34–39.
... Earthquake Administration, 2009 ; Zhang and Li, 2010 ; Chen et al. , 2013a ). Since the 2008 Wenchuan earthquake, we have investigated the area repeatedly, acquiring evidence of fault activity. In particular, in the disaster area of the Lushan earthquake, we have undertaken 1:50,000 mapping, trenching...
FIGURES
Journal Article
Coulomb Stress Change and Evolution Induced by the 2008 Wenchuan Earthquake and its Delayed Triggering of the 2013 M w 6.6 Lushan Earthquake
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 52–59.
... model adopted here. Almost five years after the 12 May 2008 M w 7.9 Wenchuan earthquake, the Longmenshan fault zone was struck by the April 20 M w 6.6 Lushan earthquake, with its hypocenter located ∼45 km southwest of the southern end of the Wenchuan surface rupture ( Han et al. , 2014...
FIGURES
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Includes: Supplemental Content
Journal Article
Possibility of the Independence between the 2013 Lushan Earthquake and the 2008 Wenchuan Earthquake on Longmen Shan Fault, Sichuan, China
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 01 January 2014
Seismological Research Letters (2014) 85 (1): 60–67.
... of America The 20 April 2013 Lushan earthquake, M s 7.0 (China Earthquake Data Center [CENC]) or M w 6.6 (U.S. Geological Survey [ USGS ]), with 196 people killed, and more than 10,000 injured according to the local government’s official report, was the strongest earthquake after the 12 May 2008...
FIGURES
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Includes: Supplemental Content
Journal Article
Comparison of the Recorded Significant Duration of the Lushan Earthquake with Empirical Model Predictions
Publisher: Seismological Society of America
Published: 24 September 2019
Bulletin of the Seismological Society of America (2019) 109 (6): 2325–2339.
..., the enrichment of high‐frequency components of ground motion causes the recorded D 5 – 95 of the Lushan event to be larger than median predictions in high‐frequency bands. Among the five selected earthquakes (1994 M w 6.7 Northridge, 2003 M w 6.5 San Simeon, 2004 M w 6.6 Niigata, 2008 M w 7.9 Wenchuan, and 2013...
FIGURES
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Image
Trenches excavated along the Dachuan-Shuangshi fault (DFS) along the southe...
in 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
> Lithosphere
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
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
Journal: Lithosphere
Publisher: GSW
Published: 01 February 2015
Lithosphere (2015) 7 (1): 14–20.
...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...
FIGURES
| View All (6)
Image
Catalog comparisons of catalog‐China Earthquake Networks Center (CENC), cat...
in Catalog Replenishment Based on Statistical Method for Strong Earthquakes in the Triple Junction Area, Eastern Tibet
> Seismological Research Letters
Published: 30 December 2024
Figure 7. Catalog comparisons of catalog‐China Earthquake Networks Center (CENC), catalog‐matched filter technique (MFT), and catalog‐R for 2008 Wenchuan and 2013 Lushan earthquakes. (a) Histogram of events number for three versions of catalog. (b) Spatial distribution of 2008 Wenchuan
Image
Coulomb failure stress change ( Δ CFS ) caused by the 2008 Wenchuan ea...
in The Source Characteristics of the 2022 M s 6.1 Lushan Earthquake: An Event That Occurred on the Conjugated Fault of the 2013 M s 7.0 Lushan Earthquake
> Seismological Research Letters
Published: 20 July 2023
Figure 6. Coulomb failure stress change ( Δ CFS ) caused by the 2008 Wenchuan earthquake and the 2013 Lushan earthquake. (a–c) Effects of the coseismic effects of the two earthquakes. (d–f) Effects of the viscoelastic relaxation of the two earthquakes. (g–i) Effects of the coseismic
Journal Article
New Evaluation Models of Newmark Displacement for Southwest China
Publisher: Seismological Society of America
Published: 10 July 2018
Bulletin of the Seismological Society of America (2018) 108 (4): 2221–2236.
...Jin Jia‐Liang; Wang Yin; Gao Dan; Yuan Ren‐Mao; Yang Xiao‐Yan Abstract In this article, the authors aim to establish the suitable Newmark displacement models of the coseismic displacements for southwest China, where the 2008 Wenchuan earthquake, the 2013 Lushan earthquake, and the 2017 Jiuzhaigou...
FIGURES
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Image
Coseismic and postseismic CFS changes induced by the Wenchuan earthquake ...
in Possibility of the Independence between the 2013 Lushan Earthquake and the 2008 Wenchuan Earthquake on Longmen Shan Fault, Sichuan, China
> Seismological Research Letters
Published: 01 January 2014
Figure 4. Coseismic and postseismic CFS changes induced by the Wenchuan earthquake in Lushan region. The CFS changes are resolved at 14 km depth using focal mechanism of the Lushan earthquake from global CMT . Model A represents the rupture model of Ji and Hayes (2008) and model B
Image
(a) 3D distribution of the earthquakes (red dots) and map view of seismic s...
in 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
> Bulletin of the Seismological Society of America
Published: 18 February 2020
Figure 2. (a) 3D distribution of the earthquakes (red dots) and map view of seismic stations (blue triangles). The black and yellow stars are the 2008 Wenchuan earthquake and 2013 Lushan earthquake, respectively. The yellow dots denote earthquakes within one month after the 2013 Lushan earthquake
Journal Article
The 2013 Lushan earthquake: Implications for seismic hazards posed by the Range Front blind thrust in the Sichuan Basin, China
Journal: Geology
Publisher: Geological Society of America
Published: 01 October 2014
Geology (2014) 42 (10): 915–918.
... of the destructive 2008 M w 7.9 Wenchuan earthquake. The Wenchuan earthquake produced surface ruptures on two parallel fault splays, the Pengguan and Beichuan faults. In contrast, the Lushan earthquake was generated by a ramp in the Range Front blind thrust (RFBT), which is in the footwall of the Wenchuan rupture...
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Journal Article
Seismicity Changes before Major Earthquakes in Sichuan, China, Revealed by a Combination of the RTL Algorithm and ETAS Model
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 14 December 2022
Seismological Research Letters (2023) 94 (2A): 844–851.
... Administration, we have detected the seismicity changes in the Sichuan region from 2006 until now. The continuous temporal variation of the RTL parameter indicated obvious seismic quiescence before the 12 May 2008 M s 8.0 Wenchuan earthquake, the 20 April 2013 M 7.0 Lushan earthquake, and the 1 June 2022 M 6.1...
FIGURES
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Image
The sequence–number diagram for the catalog‐MFT and catalog‐R. (a,c) The an...
in Catalog Replenishment Based on Statistical Method for Strong Earthquakes in the Triple Junction Area, Eastern Tibet
> Seismological Research Letters
Published: 30 December 2024
for the Wenchuan and Lushan earthquakes, respectively. (g,h) The FMD of 2008 M w 7.9 Wenchuan and 2013 M w 6.6 Lushan, respectively. The color version of this figure is available only in the electronic edition.
Journal Article
Catalog Replenishment Based on Statistical Method for Strong Earthquakes in the Triple Junction Area, Eastern Tibet
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 30 December 2024
Seismological Research Letters (2024)
...Figure 7. Catalog comparisons of catalog‐China Earthquake Networks Center (CENC), catalog‐matched filter technique (MFT), and catalog‐R for 2008 Wenchuan and 2013 Lushan earthquakes. (a) Histogram of events number for three versions of catalog. (b) Spatial distribution of 2008 Wenchuan...
FIGURES
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Early Publication
Journal Article
Estimating Rupture Dimensions of Three Major Earthquakes in Sichuan, China, for Early Warning and Rapid Loss Estimates
Publisher: Seismological Society of America
Published: 28 January 2020
Bulletin of the Seismological Society of America (2020) 110 (2): 920–936.
... detector (FinDer) is an approach to identify fault rupture extents from real‐time seismic records. In this study, we playback local and regional onscale strong‐motion waveforms of the 2008 M w 7.9 Wenchuan, 2013 M w 6.6 Lushan, and 2017 M w 6.5 Jiuzhaigou earthquakes to study the performance of FinDer...
FIGURES
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Includes: Supplemental Content
Image
(a) Topographic map of Longmen Shan, western Sichuan Province, with the epi...
in Seismic Intensities, PGA, and PGV for the 20 April 2013, M w 6.6 Lushan, China, Earthquake, and a Comparison with North America
> Seismological Research Letters
Published: 01 September 2014
Figure 1. (a) Topographic map of Longmen Shan, western Sichuan Province, with the epicenters of the 2008 Wenchuan and 2013 Lushan earthquakes obtained from China Earthquake Network Center and the focal mechanisms (Global Centroid Moment Tensor project). The black lines show the extent
Image
The evolution of spatial distributions of b ‐values in four periods: (a) 1...
in Analysis of Magnitude–Frequency Distribution of Earthquakes in the Sichuan Basin, Southwest China
> Seismological Research Letters
Published: 25 September 2024
May 2008 Wenchuan earthquake, 20 April 2013 Lushan earthquake, and 3 August 2014 Ludian earthquake. The extent of the Sichuan basin is roughly contained by the gray line. The color version of this figure is available only in the electronic edition.
Image
Estimated moment balance on fault segments (numbers, in 10 19 N·m/year) a...
Published: 01 January 2014
balance before the 2008 Wenchuan earthquake. On the Xianshuihe fault (XSHF) and Anninghe fault (ANHF), high rates of moment accumulation are relieved by frequent large earthquakes, leaving relatively low moment deficit. The Longmenshan fault (LMSF), in contrast, had accumulated sufficient moment
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