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Yangbi earthquake 2021

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Journal Article
Published: 01 February 2024
Earthquake Spectra (2024) 40 (1): 446–468.
... and naturally capture the physics of finite fault source, propagation path, and spatial variability characteristics of ground motion. To demonstrate the salient features of proposed workflow, the 2021 M s 6.4 Yangbi earthquake is simulated with frequency resolution up to 20 Hz, and seismic damage of buildings...
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Journal Article
Published: 01 February 2023
Earthquake Spectra (2023) 39 (1): 528–550.
...Tianjia Wang, M.EERI; Yonggang Shen; Xu Xie; Weipeng Weng On 21 May 2021, a 6.4-magnitude earthquake occurred in Yangbi County, Yunnan Province, China. To reproduce the ground motion characteristics of this earthquake, the stochastic finite-fault method was adopted. The ground motion records were...
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Journal Article
Published: 10 November 2022
Bulletin of the Seismological Society of America (2023) 113 (1): 378–400.
... finite‐fault simulation method to reproduce the FAS, 5%‐damped pseudospectral acceleration, and time series of the 2021 M w 6.1 Yangbi earthquake. The simulated spectra properly matched the observations in a broad frequency band of 0.1–25 Hz. Furthermore, the simulated time series could generally...
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Journal Article
Published: 09 September 2022
Seismological Research Letters (2022) 93 (6): 3525–3526.
.... , et al. 2022 . Strong ground motion recorded by high‐rate GPS during the 2021 Ms 6.4 Yangbi, China, earthquake , Seismol. Res. Lett. doi: 10.1785/0220220013 . Special thanks to Kejie Chen (Southern University of Science and Technology) for kindly pointing out this mistake to them...
FIGURES
Journal Article
Published: 22 July 2022
Seismological Research Letters (2022) 93 (6): 3219–3233.
...Shiming Liang; Weijun Gan; Genru Xiao; Guoquan Wang; Chenglong Dai; Keliang Zhang; Danqing Dai; Zhangjun Li; Ling Zhang; Yongqi Zhang; Yuebing Wang; Junqing Liu Abstract The 2021 M s 6.4 Yangbi earthquake, Yunnan, China, was recorded by the Dali Global Positioning System (GPS) network comprising 37...
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Journal Article
Published: 30 March 2022
Seismological Research Letters (2022) 93 (3): 1413–1428.
... processes. However, to perceive the physical mechanisms of these precursors leading to the occurrence of large events is challenging. In this study, the relocated 2021 Yangbi earthquake sequences are observed to be aligned along the northwest–southeast direction and exhibit spatial migration fronts toward...
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Journal Article
Published: 24 March 2022
Seismological Research Letters (2022) 93 (3): 1382–1399.
...JunLei Chen; JinLai Hao; Zun Wang; Tao Xu Abstract An M w 6.1 earthquake occurred in Yangbi, Yunnan province, China, at 13:48:34 (UTC time) on 21 May 2021. It exhibited a typical foreshock–mainshock–aftershock sequence in the northwestern Yunnan rifting area. We used the first P ‐arrival time from...
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Journal Article
Published: 09 March 2022
Seismological Research Letters (2022) 93 (3): 1400–1412.
... larger slip upward along depths of 3–8 km (relatively high resistivity). Finally, aftershocks rupture and release stress below slip depths of the mainshock. In 2021, the Yangbi earthquake sequence occurred at a previously unknown or unmapped fault 26 km from Dali, a populous city of southwestern China...
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Journal Article
Published: 12 January 2022
Seismological Research Letters (2022) 93 (2A): 666–679.
...Quan Sun; Zhen Guo; Shunping Pei; Yuanyuan V. Fu; Yongshun John Chen Abstract On 21 May 2021 a magnitude M w 6.1 earthquake occurred in Yangbi region, Yunan, China, which was widely felt and caused heavy casualties. Imaging of the source region was conducted using our improved double‐difference...
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Journal Article
Published: 03 November 2021
Seismological Research Letters (2022) 93 (1): 21–32.
...Yingying Zhang; Yanru An; Feng Long; Gaohua Zhu; Min Qin; Yusheng Zhong; Qin Xu; Hongfeng Yang Abstract An M s 6.4 earthquake struck Yangbi County in western Yunnan province, China, on 21 May 2021, causing damage in the nearby region. Intensive foreshock activity started three days before...
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Image
Coseismic slip distribution of the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> Ms 6.4 <span class="search-highlight">earthquake</span>.
Published: 01 February 2023
Figure 2. Coseismic slip distribution of the 2021 Yangbi Ms 6.4 earthquake.
Image
Source slip model of the <span class="search-highlight">2021</span>     M  w     6.1 <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> inverted u...
Published: 10 November 2022
Figure 14. Source slip model of the 2021 M w  6.1 Yangbi earthquake inverted using Interferometric Synthetic Aperture Radar (InSAR) observations by Wang, Chen, et al. (2021) . Arrows denote the slip direction. The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> (re...
Published: 09 September 2022
Figure 2. The 18 groups of predicted source models for the 2021 Yangbi earthquake (regardless of the fault type). The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> (re...
Published: 09 September 2022
Figure 2. The 18 groups of predicted source models for the 2021 Yangbi earthquake (regardless of the fault type). The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> (re...
Published: 09 September 2022
Figure 2. The 18 groups of predicted source models for the 2021 Yangbi earthquake (regardless of the fault type). The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> con...
Published: 09 September 2022
Figure 3. The 18 groups of predicted source models for the 2021 Yangbi earthquake considering the fault type (i.e., strike slip). The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> con...
Published: 09 September 2022
Figure 3. The 18 groups of predicted source models for the 2021 Yangbi earthquake considering the fault type (i.e., strike slip). The color version of this figure is available only in the electronic edition.
Image
The 18 groups of predicted source models for the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span> con...
Published: 09 September 2022
Figure 3. The 18 groups of predicted source models for the 2021 Yangbi earthquake considering the fault type (i.e., strike slip). The color version of this figure is available only in the electronic edition.
Image
Seismicity distributions of the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span>. (a) Spatial–tempora...
Published: 30 March 2022
Figure 2. Seismicity distributions of the 2021 Yangbi earthquake. (a) Spatial–temporal seismicity distributions with color‐coded depth, (b) spatial–temporal seismicity distributions with detailed color‐coded time, and (c) seismicity plots of distance along fault trace versus depth. The yellow
Image
Seismicity distributions of the <span class="search-highlight">2021</span> <span class="search-highlight">Yangbi</span> <span class="search-highlight">earthquake</span>. (a) Spatial–tempora...
Published: 30 March 2022
Figure 2. Seismicity distributions of the 2021 Yangbi earthquake. (a) Spatial–temporal seismicity distributions with color‐coded depth, (b) spatial–temporal seismicity distributions with detailed color‐coded time, and (c) seismicity plots of distance along fault trace versus depth. The yellow