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Nima earthquake 2020

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Journal Article
Published: 05 May 2023
Bulletin of the Seismological Society of America (2023) 113 (5): 2026–2040.
...Shunying Hong; Mian Liu; Xin Zhou; Guojie Meng; Yanfang Dong ABSTRACT Afterslip could help to reveal seismogenic fault structure. The 2020 M w 6.3 Nima earthquake happened in a pull‐apart basin within the Qiangtang block, central Tibetan plateau. Previous studies have explained the coseismic...
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Journal Article
Published: 03 November 2021
Seismological Research Letters (2022) 93 (1): 45–55.
... in the past 47 yr with the maximum magnitude of 5.5. The 2020 Nima earthquake marked the largest event in the center of YCFZ. A total of 13 aftershocks were recorded with a magnitude greater than 4 in the following 26 days from 22 July to 14 January 2020 (Fig.  1c ; Table S1, available in the supplemental...
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Tectonic map of the epicentral region of the <span class="search-highlight">2020</span> <span class="search-highlight">Nima</span> <span class="search-highlight">earthquake</span>, which oc...
Published: 05 May 2023
Figure 1. Tectonic map of the epicentral region of the 2020 Nima earthquake, which occurred within a stepover pull‐apart basin in the central segment of the Riganpei Co‐Yibu Chaka‐Jiangai Zangbo fault (RYJF, red lines). F1 is the main seismic fault for the earthquake; F2 is a secondary fault
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Coseismic line‐of‐sight (LoS) deformation of the <span class="search-highlight">2020</span> <span class="search-highlight">Nima</span> <span class="search-highlight">earthquake</span>. Pane...
Published: 03 November 2021
Figure 2. Coseismic line‐of‐sight (LoS) deformation of the 2020 Nima earthquake. Panels (a), (b), and (c) show the ascending track 12, descending track 121, and descending track 19 interferograms, respectively. Black lines represent the active faults. The interferograms are rewrapped
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The postseismic time series of the <span class="search-highlight">2020</span> <span class="search-highlight">Nima</span> <span class="search-highlight">earthquake</span> observed at differe...
Published: 03 November 2021
Figure 3. The postseismic time series of the 2020 Nima earthquake observed at different time intervals, respectively. (a–f) The long and short black arrows represent the flight directions and radar looking, respectively. Black box shows the surface projection of the rupture fault plane, which
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(a) Tectonic map of the <span class="search-highlight">2020</span> <span class="search-highlight">Nima</span> <span class="search-highlight">earthquake</span>. White dashed lines depict the...
Published: 03 November 2021
Figure 7. (a) Tectonic map of the 2020 Nima earthquake. White dashed lines depict the model of an extensional stepover structure (ESS) between two left‐lateral strike‐slip faults, which we propose based on the nearby fault, local topography, and tectonic feature in this study. The shadow area
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The sum of coseismic and postseismic Coulomb failure stress (CFS) changes i...
Published: 03 November 2021
Figure 8. The sum of coseismic and postseismic Coulomb failure stress (CFS) changes in the nearby active faults induced by the 2020 Nima earthquake. (a) The CFS changes along the WYF, BZF, and UN1. (b) The CFS changes along the GTF, EYF, RCF, JF, and UN2. The color version of this figure
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(a) Tectonic settings of the Tibet plateau. The red area represents the con...
Published: 03 November 2021
zone; IYS, Indus‐Yalu suture zone; JS, Jinsha suture zone; KF, Karakash fault; KRF, Karakoram fault; MFT, Main frontal thrust. (b) Tectonic map around the Dong Co conjugate fault system. GCF, Gyaring Co fault; YCFZ, Yibug Caka fault zone. (c) Tectonic map of the 2020 Nima earthquake. Thick gray arrows
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(a) 3D map views of the coseismic distributed slip model of the <span class="search-highlight">2020</span> <span class="search-highlight">Nima</span> e...
Published: 03 November 2021
Figure 4. (a) 3D map views of the coseismic distributed slip model of the 2020 Nima earthquake and associated topography. The thick red line indicates the surface projection of seismogenic fault, whereas thin red lines denote the outline of slip distribution. The red star represents the epicenter
Journal Article
Published: 19 February 2020
Seismological Research Letters (2020) 91 (2A): 1086–1093.
... © Seismological Society of America The 91st Annual Meeting of the Eastern Section of the Seismological Society of America (ES‐SSA) was held in Columbus, Ohio, on 3–5 November 2019. Fifty‐one scientists participated in multiple sessions covering topics such as seismicity, earthquake...
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Journal Article
Published: 29 January 2024
Seismological Research Letters (2024) 95 (3): 1701–1717.
... CCs ( Shelly et al. , 2016 ; Meng et al. , 2018 ; Ross et al. , 2019 ; Yao et al. , 2020 ; Zhai et al. , 2021 ; Zhang et al. , 2022 ; Zhou, Yue, et al. , 2022 ; Huang et al. , 2023 ). We do not perform any relocations here, mainly because most earthquake sequences in this study...
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Journal Article
Journal: GSA Bulletin
Published: 21 October 2022
GSA Bulletin (2023) 135 (5-6): 1587–1601.
... Laboratory of Earthquake Dynamics, China Earthquake Administration (for samples D035, D039, D074, and D206). These grains were mounted in epoxy resin (for apatite) and Teflon (for zircon) before being ground and polished to expose internal grain surfaces. The zircon crystals were etched in NaOH-KOH eutectic...
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Journal Article
Published: 01 June 2022
Russ. Geol. Geophys. (2022) 63 (6): 726–742.
...-mail address: [email protected] (Yu.L. Rebetsky) 10 6 2020 10 6 2021 © 2022, Novosibirsk State University 2022 Novosibirsk State University stress strain earthquakes orogeny erosion exhumation formation mechanism The ambiguous solutions from the 1932–05.1994 catalog were...
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Journal Article
Published: 01 April 2024
Jour. Geol. Soc. India (2024) 100 (4): 591–600.
... development of the state not only influencing on human life and properties, but also highly influencing on the wild life of the state of Assam ( Kar, 2020 ). The Brahmaputra river flows through Kaziranga National Park continuously changes its position of bank lines due to regular bank erosion. Since 1912...
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Journal Article
Published: 24 March 2022
Seismological Research Letters (2022) 93 (3): 1382–1399.
... and Ben‐Zion, 2013 ; Xu, 2020 ; Okubo et al. , 2019 ). Su et al. (2021) adopted a deep‐learning algorithm, PhaseNet, a rapid earthquake association and location method, and multiple earthquake location methods to obtain a high‐resolution catalog of the Yangbi earthquake (Fig.  12 , three days...
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Journal Article
Published: 09 June 2023
Seismological Research Letters (2023) 94 (5): 2273–2290.
... ), the spectral ratio from P/S waves of local and teleseismic earthquakes ( Song and Yang, 2022 ), and the horizontal‐to‐vertical spectral ratio of both earthquake waveforms and noise ( Huang et al. , 2020 ; She et al. , 2022 ; Chen et al. , 2023 ). However, accurately constraining the depth extent...
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Journal Article
Published: 22 September 2023
Seismological Research Letters (2023) 94 (6): 2813–2830.
..., 7.5, and 8 ( Cramer et al. , 2019 , 2021 , 2022 ; Cramer, Van Arsdale, Reichenbacher, et al. , 2020 ; Cramer, Van Arsdale, Harrison, et al ., 2020 ). Thus, LPI and LPI ISH values are determined for each of 70 possible combinations of PGA and M w (i.e., 70 earthquake scenarios...
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Journal Article
Published: 05 March 2024
Journal of the Geological Society (2024) 181 (3): jgs2023-041.
... acceleration of exhumation (∼9 mm a −1 after c. 2 Ma) in the Namche Barwa syntaxis, eastern Himalaya ( Govin et al. 2020 ). The current discharge upstream of Tsangpo gorge is ∼3050 m 3  s −1 ( Nima et al. 2011 ), which contributes large volumes of sediments to Brahmaputra River discharge at Pasighat...
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Journal Article
Published: 01 November 2021
Earthquake Spectra (2021) 37 (4): 2714–2736.
... bilateral collaboration between GEM and national institutions ( Silva et al., 2020 ). These new implementations and other accustomed specifications are applied to the existing OpenQuake code. Seismic risk has been extensively studied in earthquake-prone regions. Salgado-Gálvez et al. (2016) performed...
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Journal Article
Published: 23 June 2020
Bulletin of the Seismological Society of America (2020) 110 (6): 3064–3076.
... that the eastward extrusion is redirected southeastward to Yunnan after obstruction by the rigid lithosphere of the Sichuan basin ( Clark and Royden, 2000 ; Royden et al. , 2008 ; Wang et al. , 2018 ; Bao et al. , 2020 ), which may lead to stress accumulation and release (earthquakes) in strike‐slip faults...
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