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Qiaojia China

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Journal Article
Published: 03 March 2021
Seismological Research Letters (2021) 92 (4): 2122–2133.
.... * Corresponding author: [email protected] The M s  5.0 Qiaojia earthquake occurred at 13:47:59 UTC (21:47:59 p.m. local time) on 18 May 2020 at 27.18° N, 103.16° E and a depth of 8 km according to the China Earthquake Networks Center (CENC). The epicenter was located ∼ 38    km northeast...
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First thumbnail for: Preliminary Report on the 18 May 2020 M s 5.0 <spa...
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Journal Article
Published: 07 March 2025
Seismological Research Letters (2025) 96 (4): 2285–2299.
... C. , and Yin F. 2021 . Preliminary Report on the 18 May 2020 Ms 5.0 Qiaojia Earthquake, Yunnan, China , Seismol. Res. Lett. 4 , no.  92 , doi: 10.1785/0220200233 . Gahalaut K. , and Gahalaut V. K. 2010 . Effect of the Zipingpu reservoir impoundment on the occurrence...
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First thumbnail for: Upper‐Middle Crustal Structure and Seismogenic Env...
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Journal Article
Published: 02 July 2024
Seismological Research Letters (2024) 95 (6): 3681–3695.
... and low‐ V S in the middle crust of the Ludian–Qiaojia source area at a depth of 15–25 km (Fig.  10c ). According to the latest study on surface heat flow in mainland China ( Jiang et al. , 2019 ), the Zhaotong–Ludian seismic zone is situated in an area with high surface heat flow values...
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First thumbnail for: Double‐Difference Tomography with a Deep Learning–...
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Journal Article
Published: 10 January 2024
Seismological Research Letters (2024) 95 (3): 1759–1775.
... tomography. The gray plus signs represent grid nodes, the green dots represent earthquakes, and the blue solid lines represent virtual ray distributions of P waves and S waves. The yellow triangles represent stations, and orange stars represent the M s  5.0 Qiaojia earthquake and the M s...
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First thumbnail for: High‐Resolution 3D Q P and Q S Models of the Middl...
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Image
(a) Tectonic map of the Qiaojia earthquake source region and surrounding seismic stations: Qiaojia array (red), Zhaotong array (blue), and regional seismic network (purple). The red rectangular frame in the inset shows where the Qiaojia earthquake source region is with respect to mainland China. The red star shows the epicenter of the Qiaojia Ms 5.0 earthquake. The red dashed rectangle represents the area range of (b). (b) The Global Positioning System (GPS) velocity field surrounding the Qiaojia earthquake source area with respect to the Eurasian frame. Each velocity arrow originates at the location of the site and points to its motion direction. Red circles show the historical earthquakes larger than Ms 7.0 in the region, modified from Cheng et al. (2015). The red and black stars show the epicenter of the Qiaojia Ms 5.0 earthquake and Ludian Ms 6.5 earthquake, respectively. The Ludian earthquake focal mechanism is from Zhang et al. (2014). ANH‐F, Anninghe fault; DLS‐F, Daliangshan fault; LF‐F, Lianfeng fault; LMS‐F, Longmenshan fault; XJ‐F, Xiaojiang fault; XSH‐F, Xianshuihe fault; ZMH‐F, Zemuhe fault; ZT‐F, Zhaotong fault. The color version of this figure is available only in the electronic edition.
Published: 03 March 2021
to mainland China. The red star shows the epicenter of the Qiaojia M s  5.0 earthquake. The red dashed rectangle represents the area range of (b). (b) The Global Positioning System (GPS) velocity field surrounding the Qiaojia earthquake source area with respect to the Eurasian frame. Each velocity
Journal Article
Published: 16 June 2022
Seismological Research Letters (2022) 93 (5): 2484–2497.
...). Song F. , and Wang Y. 1998 . The Xiaojiang Fault, Collection of Active Faults Research in China [M] , Seismological Press , Beijing (in Chinese). Song Q. Liang S. Yu X. Zhang W. , and Li C. 2022 . Seismogenic mechanism of the 2020 Qiaojia M S 5.0 earthquake...
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First thumbnail for: Machine Learning‐Based Earthquake Catalog and Tomo...
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Journal Article
Published: 17 March 2020
Bulletin of the Seismological Society of America (2020) 110 (3): 1191–1210.
... value bracketed is from the references. CEA, China Earthquake Administration. The 1930 M s  6 Qiaojia earthquake is considered the largest seismic event to have occurred on the northern segment of the Xiaojiang fault zone, but no surface ruptures were recorded. Trench studies have...
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First thumbnail for: Seismic Hazard Assessment of the Mid‐Northern Segm...
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Journal Article
Published: 28 September 2018
Quarterly Journal of Engineering Geology and Hydrogeology (2019) 52 (1): 17–22.
...Yuxuan Zhu; Fuchu Dai; Jingxian Gao; Xin Yao Abstract A loess landslide occurred in southwestern China on 21 September 2016. The field investigation performed 2 months after this event revealed that this slope failure was a partial reactivation of a landslide initiated in 1995, with a first-time...
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First thumbnail for: A recurrent composite loess landslide in southwest...
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Journal Article
Published: 10 July 2023
Seismological Research Letters (2023) 94 (5): 2384–2396.
... and high V P / V S at depths ranging from 3 to 10 km beneath the Qiaojia area along the Xiaojiang fault (XJF), which suggests that the seismic activity in this area may increase with the storage of the BHT dam in April 2021. * Corresponding author: [email protected] 11 February 2023 ©...
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First thumbnail for: 3D V P , V S , and V P &#x2F; V S Structures and S...
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Journal Article
Published: 21 July 2021
Seismological Research Letters (2021) 92 (6): 3416–3427.
..., an M w 6.2 strike‐slip event—the Ludian earthquake—occurred in southwest China. The strong‐motion station (LLT) that is ∼ 0.45 km from the fault recorded the earthquake and enabled us to estimate D c ″ from the accelerograms. We inspect the polarity of the accelerometers and compare the integrated...
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First thumbnail for: Inferring Critical Slip‐Weakening Distance from Ne...
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Journal Article
Journal: Geophysics
Published: 07 June 2023
Geophysics (2023) 88 (4): E107–E122.
... of Exploration Geophysicists CSEM data reconstruction machine learning noise signal processing Key R D Program of China 2018YFC0603202 National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 41904076 42130811 42274085 the Postgraduate Innovation Fund...
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First thumbnail for: IncepTCN: A new deep temporal convolutional networ...
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Journal Article
Journal: Geophysics
Published: 08 April 2021
Geophysics (2021) 86 (3): E185–E198.
... National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809 41674077 41830107 41904076 National Key R D Program of China 2018YFC0603202 Science and Technology Project of Jiangxi Provincial Education Department GJJ180368 Natural Science Foundation of Jiangxi...
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First thumbnail for: Dictionary learning and shift-invariant sparse cod...
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Journal Article
Published: 19 May 2015
Bulletin of the Seismological Society of America (2015) 105 (3): 1371–1382.
... of the two earthquakes. The Ningnan–Qiaojia pull‐apart region is characterized by low shear‐wave velocity in the shallow crust, which agrees well with the sedimentary features of the upper crust. A relatively high velocity is observed in the central part of the low‐velocity Sichuan basin in the shallow...
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First thumbnail for: 3D Shear‐Wave Velocity Structure beneath the South...
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Journal Article
Published: 01 January 2006
The Journal of Geology (2006) 114 (1): 117–132.
...Bin He; Yi-Gang Xu; Ya-Mei Wang; Zhen-Yu Luo Abstract Investigations into Permian sedimentation and reconstruction of paleogeography in SW China are aimed at characterizing sedimentary responses to the Emeishan mantle plume. In addition to erosional features on the sediments underlying the uplifted...
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First thumbnail for: Sedimentation and Lithofacies Paleogeography in So...
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Image
Structural background of the study area. (a) Location map showing the distribution of faults and lithology in the study area (adapted from Duan et al., 2024). The description of the colored areas is in the box included in the lower right quadrant of the illustration. The Ningnan basin and the Qiaojia basin are delimited by an irregular purple line. BGN‐XHF, Baogunao‐Xiaohe fault; DLSF, Daliangshan fault; HZF, Huize fault; LFF, Lianfeng fault; NN‐HLF, Ningnan‐Huili fault; PDHF, Puduhe fault; XJF, Xiaojiang fault; ZMHF, Zemuhe fault; ZT‐LDF, Zhaotong‐Ludian fault. (b) Geographic location of the study area (red rectangle) and main geological blocks. The black lines represent the boundaries between these tectonic blocks in the China mainland. IB, Indian plate; S‐YB, Sichuan–Yunnan block; SCB, South China block; SP‐GZB, Songpan–Ganzi block; TP, Tibetan plateau. The color version of this figure is available only in the electronic edition.
Published: 07 March 2025
and the Qiaojia basin are delimited by an irregular purple line. BGN‐XHF, Baogunao‐Xiaohe fault; DLSF, Daliangshan fault; HZF, Huize fault; LFF, Lianfeng fault; NN‐HLF, Ningnan‐Huili fault; PDHF, Puduhe fault; XJF, Xiaojiang fault; ZMHF, Zemuhe fault; ZT‐LDF, Zhaotong‐Ludian fault. (b) Geographic location
Journal Article
Published: 21 March 2018
Geological Magazine (2019) 156 (4): 745–758.
... the locality shown in (i). Emeishan LIP SW China initial lithospheric response rifting Permian pulses of rift processes far-field and near-field stresses The Yangtze craton separated from the Gondwana supercontinent during the Cambrian and moved towards Palaeoasia together with the Tarim...
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Journal Article
Published: 01 November 2023
Bulletin of the Seismological Society of America (2024) 114 (2): 806–822.
... and Luo, 2022 ). The Xiluodu reservoir is located at the eastern boundary of the Daliang Shan submassif at the junction of the strongly seismogenic Tibetan block and the more stable south China massif ( Diao et al. , 2014 ), which is a high seismic intensity zone. Wang, Zhao, et al. (2015) and Chang...
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First thumbnail for: Deep Learning‐Based Microseismic Detection and Loc...
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Journal Article
Journal: GSA Bulletin
Published: 09 November 2021
GSA Bulletin (2022) 134 (7-8): 1845–1862.
... in the Binchuan area of Yunnan Province, southwestern China, in order to constrain the duration of the eruption. The results of detailed thermal demagnetization experiments revealed two remanent magnetic components from the volcanic rocks of 11 composite sections. A low-temperature component separated below 300...
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First thumbnail for: Rapid eruption of the Emeishan continental flood b...
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Journal Article
Journal: Geology
Published: 01 October 2004
Geology (2004) 32 (10): 917–920.
...Yi-Gang Xu; Bin He; Sun-Lin Chung; Martin A. Menzies; Frederick A. Frey Abstract Prevolcanic kilometer-scale lithospheric doming in the Emeishan large igneous province, southwest China, allows us to evaluate the spatial and temporal consequences of uplift on the paleogeography, geology...
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First thumbnail for: Geologic, geochemical, and geophysical consequence...
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Journal Article
Journal: Geology
Published: 21 June 2022
Geology (2022) 50 (9): 1083–1087.
...Hu Huang; Magdalena H. Huyskens; Qing-Zhu Yin; Peter A. Cawood; Mingcai Hou; Jianghai Yang; Fuhao Xiong; Yuansheng Du; Chenchen Yang Abstract The Emeishan large igneous province (LIP), southwestern China and northern Vietnam, is thought to have been a potential driver for the biotic crises...
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First thumbnail for: Eruptive tempo of Emeishan large igneous province,...
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