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Journal Article

Strong‐Motion Observations of the 2017 M s 7.0 Jiuzhaigou Earthquake: Comparison with the 2013 M s 7.0 Lushan Earthquake

Yefei Ren, Hongwei Wang, Peibin Xu, Yadab P. Dhakal, Ruizhi Wen, Qiang Ma, Peng Jiang
Published: 30 May 2018
Seismological Research Letters (2018) 89 (4): 1354–1365.
DOI: https://doi.org/10.1785/0220170238
...Yefei Ren; Hongwei Wang; Peibin Xu; Yadab P. Dhakal; Ruizhi Wen; Qiang Ma; Peng Jiang ABSTRACT Strong‐motion recordings observed during the M s 7.0 Jiuzhaigou earthquake, which occurred on 8 August 2017 in western China, were used to reveal the underlying source, propagation path, and site effects...
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View PDF for article title, Strong‐Motion Observations of the <span class="search-highlight">2017</span> M s 7.0 <span class="search-highlight">Jiuzhaigou</span> <span class="search-highlight">Earthquake</span>: Comparison with the 2013 M s 7.0 Lushan <span class="search-highlight">Earthquake</span>
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Journal Article

Joint Inversion of Rupture across a Fault Stepover during the 8 August 2017 M w 6.5 Jiuzhaigou, China, Earthquake

Yong Zhang, Wanpeng Feng, Xingxing Li, Yajing Liu, Jieyuan Ning, Qinghua Huang
Published: 11 August 2021
Seismological Research Letters (2021) 92 (6): 3386–3397.
DOI: https://doi.org/10.1785/0220210084
...Yong Zhang; Wanpeng Feng; Xingxing Li; Yajing Liu; Jieyuan Ning; Qinghua Huang Abstract The 8 August 2017 M w 6.5 Jiuzhaigou earthquake occurred in a tectonically fractured region in southwest China. We investigate the multifault coseismic rupture process by jointly analyzing teleseismic, strong...
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View PDF for article title, Joint Inversion of Rupture across a Fault Stepover during the 8 August <span class="search-highlight">2017</span> M w 6.5 <span class="search-highlight">Jiuzhaigou</span>, China, <span class="search-highlight">Earthquake</span>
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Journal Article

Confirmation and Characterization of the Rupture Model of the 2017 M s 7.0 Jiuzhaigou, China, Earthquake

Xu Zhang, Li‐Sheng Xu, Lei Yi, Wanpeng Feng
Published: 14 April 2021
Seismological Research Letters (2021) 92 (5): 2927–2942.
DOI: https://doi.org/10.1785/0220200466
...Xu Zhang; Li‐Sheng Xu; Lei Yi; Wanpeng Feng Abstract On 8 August 2017, an M s 7.0 earthquake struck the Jiuzhaigou town, Sichuan Province, China, rupturing an unmapped fault, which is adjacent to the Maqu seismic gap in the Min Shan uplift zone in the easternmost part of the Bayan Har block. Having...
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View PDF for article title, Confirmation and Characterization of the Rupture Model of the <span class="search-highlight">2017</span> M s 7.0 <span class="search-highlight">Jiuzhaigou</span>, China, <span class="search-highlight">Earthquake</span>
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Journal Article

Evidence of Fault Immaturity from Shallow Slip Deficit and Lack of Postseismic Deformation of the 2017 M w 6.5 Jiuzhaigou Earthquake

Yuexin Li, Roland Bürgmann, Bin Zhao
Published: 14 January 2020
Bulletin of the Seismological Society of America (2020) 110 (1): 154–165.
DOI: https://doi.org/10.1785/0120190162
...Yuexin Li; Roland Bürgmann; Bin Zhao ABSTRACT The M w 6.5 Jiuzhaigou earthquake occurred on 8 August 2017 36 km west‐southwest of Yongle, Sichuan, China. We use both ascending and descending Interferometric Synthetic Aperture Radar (InSAR) data from Sentinel‐1 and coseismic offsets of four Global...
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View PDF for article title, Evidence of Fault Immaturity from Shallow Slip Deficit and Lack of Postseismic Deformation of the <span class="search-highlight">2017</span> M w 6.5 <span class="search-highlight">Jiuzhaigou</span> <span class="search-highlight">Earthquake</span>
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Journal Article

Sensitivities of Geodetic Source Analyses to Elastic Crust Heterogeneity Constrained by Seismic Tomography for the 2017 M w 6.5 Jiuzhaigou, China, Earthquake

Sui Tung, Kurt Katzenstein, Timothy Masterlark, Jianshe Lei, Christelle Wauthier, Dave Petley
Published: 17 July 2019
Seismological Research Letters (2019) 90 (5): 1859–1875.
DOI: https://doi.org/10.1785/0220180272
...Sui Tung; Kurt Katzenstein; Timothy Masterlark; Jianshe Lei; Christelle Wauthier; Dave Petley ABSTRACT The 2017 M w 6.5 Jiuzhaigou earthquake (JE) struck a rugged area of the Jiuzhaigou Valley in eastern Tibet that has experienced frequent seismic activity over the last few decades. We use finite...
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View PDF for article title, Sensitivities of Geodetic Source Analyses to Elastic Crust Heterogeneity Constrained by Seismic Tomography for the <span class="search-highlight">2017</span> M w 6.5 <span class="search-highlight">Jiuzhaigou</span>, China, <span class="search-highlight">Earthquake</span>
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Journal Article

The 2017 Jiuzhaigou Earthquake Aftershock‐Monitoring Experimental Network: Network Design and Signal Enhancement Algorithm

Han Yue, Yijian Zhou, Shiyong Zhou, Yilei Huang, Mingjia Li, Lu Zhou, Zhiqiang Liu
Published: 25 July 2018
Seismological Research Letters (2018) 89 (5): 1671–1679.
DOI: https://doi.org/10.1785/0220180046
... algorithms. High‐sensitivity networks generally require dense station coverage, high deployment effort, special field environment, and high funding cost, which are not suitable for rapid response for aftershock monitoring. To investigate aftershock activities of the 2017 M w 6.5 Jiuzhaigou earthquake, we...
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View PDF for article title, The <span class="search-highlight">2017</span> <span class="search-highlight">Jiuzhaigou</span> <span class="search-highlight">Earthquake</span> Aftershock‐Monitoring Experimental Network: Network Design and Signal Enhancement Algorithm
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Journal Article

Source Fault and Slip Distribution of the 2017 M w 6.5 Jiuzhaigou, China, Earthquake and Its Tectonic Implications

Yingfeng Zhang, Guohong Zhang, Eric A. Hetland, Xinjian Shan, Huiping Zhang, Dezheng Zhao, Wenyu Gong, Chunyan Qu
Published: 16 May 2018
Seismological Research Letters (2018) 89 (4): 1345–1353.
DOI: https://doi.org/10.1785/0220170255
...Yingfeng Zhang; Guohong Zhang; Eric A. Hetland; Xinjian Shan; Huiping Zhang; Dezheng Zhao; Wenyu Gong; Chunyan Qu ABSTRACT The 2017 M w 6.5 Jiuzhaigou, China, earthquake occurred in the very northeastern corner of the Bayanhar block, in a region of a complex confluence of several faults. There were...
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View PDF for article title, Source Fault and Slip Distribution of the <span class="search-highlight">2017</span> M w 6.5 <span class="search-highlight">Jiuzhaigou</span>, China, <span class="search-highlight">Earthquake</span> and Its Tectonic Implications
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Journal Article

Preliminary Report on the 8 August 2017 M s 7.0 Jiuzhaigou, Sichuan, China, Earthquake

Libo Han, Jia Cheng, Yanru An, Lihua Fang, Changsheng Jiang, Bo Chen, Zhongliang Wu, Jie Liu, Xiwei Xu, Ruifeng Liu, Zhixiang Yao, Changzai Wang, Yushi Wang
Published: 17 January 2018
Seismological Research Letters (2018) 89 (2A): 557–569.
DOI: https://doi.org/10.1785/0220170158
...Libo Han; Jia Cheng; Yanru An; Lihua Fang; Changsheng Jiang; Bo Chen; Zhongliang Wu; Jie Liu; Xiwei Xu; Ruifeng Liu; Zhixiang Yao; Changzai Wang; Yushi Wang ABSTRACT The 8 August 2017 M s 7.0 Jiuzhaigou earthquake was the largest event in continental China in the recent 3 yrs. It occurred...
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View PDF for article title, Preliminary Report on the 8 August <span class="search-highlight">2017</span> M s 7.0 <span class="search-highlight">Jiuzhaigou</span>, Sichuan, China, <span class="search-highlight">Earthquake</span>
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Image
Inverted results of the 2017 Ms 7.0 Jiuzhaigou earthquake. (a) Seismic moment rate function (gray‐shaded region). The solid‐red curve shows the release process of the scalar seismic moment in percentage. (b) Coseismic slip pattern. Black arrows indicate slip directions. Blue curves denote the slip contours of 0.4, 0.8, and 1.2 m, respectively. (c) Snapshots of the slip rate. The color version of this figure is available only in the electronic edition.

Inverted results of the 2017 M s  7.0 Jiuzhaigou earthquake. (a) Se...

Published: 14 April 2021
Figure 3. Inverted results of the 2017 M s  7.0 Jiuzhaigou earthquake. (a) Seismic moment rate function (gray‐shaded region). The solid‐red curve shows the release process of the scalar seismic moment in percentage. (b) Coseismic slip pattern. Black arrows indicate slip directions. Blue
Image
Setting of the 2017 Mw 6.5 Jiuzhaigou earthquake and playback results (follows Fig. 2). Final FinDer line‐source parameters are L∼33  km, Θ=130°, and MFD 6.6. Green triangles in (a) show stations, where strong‐motion data were simulated in this study to constrain FinDer results. Slip distribution in (a) and source time function in (b) and (c) are from Zhang et al. (Yong Zhang, written comm., 2018). The thin black lines show the isoseismals released by the CEA (see Data and Resources).

Setting of the 2017 M w  6.5 Jiuzhaigou earthquake and playback res...

Published: 28 January 2020
Figure 4. Setting of the 2017 M w  6.5 Jiuzhaigou earthquake and playback results (follows Fig.  2 ). Final FinDer line‐source parameters are L ∼ 33    km , Θ = 130 ° , and M FD  6.6. Green triangles in (a) show stations, where strong‐motion data were simulated
Image
Tectonic settings and velocity profiles near the 2017 Jiuzhaigou earthquake (JE). (a) JE took place near the block boundary (transparent black lines) between Abba and Hezuo block. Nearby fault locations are plotted after Burchfiel et al. (1995). Coseismic displacements are constrained by Sentinel‐1 Interferometric Synthetic Aperture Radar data (footprint outlined by white dashed line in panels a,d) of (b) ascending‐track and (c) descending‐track observations, in which blue regions refer to range increase and red regions represent range decrease. (d–r) Near‐field velocity structures (Lei and Zhao, 2009) at various depths (1, 8, 18, 30, and 45 km) are used to configure the finite‐element model (FEM; Fig. 2). LE, Lushan earthquake; WE, Wenchuan earthquake.

Tectonic settings and velocity profiles near the 2017 Jiuzhaigou earthquake...

Published: 17 July 2019
Figure 1. Tectonic settings and velocity profiles near the 2017 Jiuzhaigou earthquake (JE). (a) JE took place near the block boundary (transparent black lines) between Abba and Hezuo block. Nearby fault locations are plotted after Burchfiel et al. (1995) . Coseismic displacements
Image
Fault‐slip distributions of the 2017 Mw 6.5 Jiuzhaigou earthquake.

Fault‐slip distributions of the 2017 M w  6.5 Jiuzhaigou earthquake...

Published: 16 May 2018
Figure 3. Fault‐slip distributions of the 2017 M w  6.5 Jiuzhaigou earthquake.
Image
The gCAPjoint solution for the 2017 Jiuzhaigou earthquakes. (a) The earthquake (star) and local broadband stations (triangles). (b) Teleseismic broadband stations (inverted triangles). Black open triangles and inverted triangles indicate available stations, whereas red triangles and inverted triangles represent the stations actually used in inversion. (c) Summary of inversion at optimal depth. The black and red lines denote the observed and synthetic waveforms, respectively. Numbers to the left of the seismograms are time shifts (lower, first line numbers) and cross‐correlation coefficient in percent (lower, second line numbers). Positive time shifts indicate that synthetic waveforms are delayed. The triangles on the focal sphere show the projection of P waves.

The gCAPjoint solution for the 2017 Jiuzhaigou earthquakes. (a) The earthqu...

Published: 19 August 2020
Figure 3. The gCAPjoint solution for the 2017 Jiuzhaigou earthquakes. (a) The earthquake (star) and local broadband stations (triangles). (b) Teleseismic broadband stations (inverted triangles). Black open triangles and inverted triangles indicate available stations, whereas red triangles
Image
Waveform mismatch versus centroid depth for the 2017 Jiuzhaigou earthquakes. Red focal sphere indicates the focal mechanism at optimal depth.

Waveform mismatch versus centroid depth for the 2017 Jiuzhaigou earthquakes...

Published: 19 August 2020
Figure 4. Waveform mismatch versus centroid depth for the 2017 Jiuzhaigou earthquakes. Red focal sphere indicates the focal mechanism at optimal depth.
Journal Article

Velocity Structure of the Northeastern End of the Bayan Har Block, China, and the Seismogenic Environment of the Jiuzhaigou and Songpan‐Pingwu Earthquakes: Inferences from Double‐Difference Tomography

Wen Yang, Zhifeng Ding, Jie Liu, Jia Cheng, Xuemei Zhang, Peng Wu, Qi Yao
Published: 18 May 2021
Bulletin of the Seismological Society of America (2021) 111 (4): 2195–2208.
DOI: https://doi.org/10.1785/0120200224
...Wen Yang; Zhifeng Ding; Jie Liu; Jia Cheng; Xuemei Zhang; Peng Wu; Qi Yao ABSTRACT The 2017 M w 6.5 Jiuzhaigou mainshock hit the northeastern end of the Bayan Har block, which has experienced many historical earthquakes, including the 1976 M 7.2 Songpan‐Pingwu earthquake swarm. We used the double...
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View PDF for article title, Velocity Structure of the Northeastern End of the Bayan Har Block, China, and the Seismogenic Environment of the <span class="search-highlight">Jiuzhaigou</span> and Songpan‐Pingwu <span class="search-highlight">Earthquakes</span>: Inferences from Double‐Difference Tomography
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Journal Article

New Evaluation Models of Newmark Displacement for Southwest China

Jin Jia‐Liang, Wang Yin, Gao Dan, Yuan Ren‐Mao, Yang Xiao‐Yan
Published: 10 July 2018
Bulletin of the Seismological Society of America (2018) 108 (4): 2221–2236.
DOI: https://doi.org/10.1785/0120170349
...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...
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Journal Article

Estimating Rupture Dimensions of Three Major Earthquakes in Sichuan, China, for Early Warning and Rapid Loss Estimates

Jiawei Li, Maren Böse, Max Wyss, David J. Wald, Alexandra Hutchison, John F. Clinton, Zhongliang Wu, Changsheng Jiang, Shiyong Zhou
Published: 28 January 2020
Bulletin of the Seismological Society of America (2020) 110 (2): 920–936.
DOI: https://doi.org/10.1785/0120190117
...Figure 4. Setting of the 2017 M w  6.5 Jiuzhaigou earthquake and playback results (follows Fig.  2 ). Final FinDer line‐source parameters are L ∼ 33    km , Θ = 130 ° , and M FD  6.6. Green triangles in (a) show stations, where strong‐motion data were simulated...
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View PDF for article title, Estimating Rupture Dimensions of Three Major <span class="search-highlight">Earthquakes</span> in Sichuan, China, for Early Warning and Rapid Loss Estimates
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Journal Article

Topographic Controls on the Distribution of Coseismic Landslides: A Case Study Using the Coefficient of Variation of the 2014 Ludian, Yunnan, China, Ms6.5 Earthquake

Xiaoli Chen, Mingming Wang, Yijian Chuan, Yankun Wei, Pengfei Zhang
Journal: Lithosphere
Publisher: GSW
Published: 24 February 2022
Lithosphere (2021) 2021 (Special 2): 6678652.
DOI: https://doi.org/10.2113/2022/6678652
... slope angle and average slope angle show obvious differences, which means that the region has sharp changes in relief and slope. In comparison with the coseismic landslides triggered by the 2017 Jiuzhaigou, Sichuan, China, Ms7.0 earthquakes, preliminary analyses infer that the distribution of coseismic...
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View PDF for article title, Topographic Controls on the Distribution of Coseismic Landslides: A Case Study Using the Coefficient of Variation of the 2014 Ludian, Yunnan, China, Ms6.5 <span class="search-highlight">Earthquake</span>
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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

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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Journal Article

Research on the Application of Phone Location Data in the Rapid Delimitation of the Meizoseismal Area

Xia Chaoxu, Nie Gaozhong, Pang Xiaoke, Fan Xiwei, Zhou Junxue, Li Huayue
Published: 24 September 2019
Bulletin of the Seismological Society of America (2019) 109 (6): 2470–2490.
DOI: https://doi.org/10.1785/0120190010
..., Jiuzhaigou, and Songyuan earthquakes (28 May 2018) were between VII and IX. The highest intensity of the Wulong, Rongchang, Ningqiang, and Songyuan earthquakes (23 July 2017) was only VI, and no obvious range of the meizoseismal area was observed. We considered the areas with the highest intensity...
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