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Since
Holocene (10,000), Yingxiu-Beichuan fracture has had evident activities. Its long-term geological slip rate is slower than 1 mm per year. GPS observations confirm the current structural deformation of the Longmenshan formation to be characterized by thrust and right-handed shears, but
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with a low deformation rate. Therefore, Longmenshan formation and its internal fractures constitute a special type that has low earthquake frequences but the potential to cause super strong earthquakes."
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to peaks exceeding 6500 m over a horizontal distance of less than 50 km. Regional topographic gradients typically exceed 10% along this mountain front and rival any other margin of the plateau."
139:. The strike of the fault plane is approximately NE. Motion on this fault is responsible for the uplift of the mountains relative to the lowlands of the
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214: 8.0 earthquake occurred on the Yingxiu-Beichuan fracture, as a result of Longmenshan thrust pushing southeastward combined with clockwise shears.
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263:"Longmen Shan fold-thrust be ilt and its relation to the western Sichuan Basin in central China: New insights from hydrocarbon exploration"
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363:映秀-北川斷裂全新世（10000年）以來具有明顯的活動性，其長期地質滑動速率小於每年1毫米。GPS觀測表明龍門山構造帶的現今構造變形也是以逆衝和右旋剪切為特徵，但變形速度不大。因而，龍門山構造帶及其內部斷裂屬於地震活動頻度低但具有發生超強地震的潛在危險的特殊斷裂。
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is one of the world's most remarkable continental escarpments. Elevations rise from circa 600 m in the southern
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E. Kirby, P. W. Reiners, M. A. Krol, K. X. Whipple, K. V. Hodges, K. A. Farley, W. Tang, and Z. Chen, Eric (2002).
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348:晚新生代的構造變形主要集中在灌縣-江油斷裂（前山斷裂）、映秀-北川斷裂（中央斷裂）和汶川-茂縣（後山斷裂）及其相關褶皺之上，這次8級強震發生在映秀-北川斷裂之上，是龍門山逆衝推覆體向東南方向推擠並伴隨順時針剪切共同作用的結果
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A USGS map of the
Sichuan earthquake zone showing dozens of aftershocks within the Longmen Shan mountain region.
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Dong Jia, Dong; Wei, Guoqi; Chen, Zhuxin; Li, Benliang; Zeng, Qing; Yang, Guang; et al. (September 2006).
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fracture (hill-back fracture), and their related folds. The recent M
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296:"汶川8.0級地震成因分析 (Cause Analysis of the M8.0 Wenchuan earthquake)"
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Tectonic map of the
Tibetan Plateau showing the main structures
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298:(in Chinese). China Earthquake Administration. 2008-05-30
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China
Virtual Museum of Earthquakes, map charting the
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to the east. Representing the eastern boundary of the
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459:Simplified geologic map of the Longmen Shan region
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231:describes the 5 km high escarpment thus:
182:"The late-Cenozoic deformations in this fault (
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461:of the eastern margin of the Tibetan Plateau.
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430:: CS1 maint: multiple names: authors list (
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127:which runs along the base of the
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449:Map of faults in SW China - MIT
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577:Philippine Sea Plate
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702:Senya Fault
492: /
165:2013 Lushan
831:Categories
624:rift zones
567:Amur Plate
542:North Asia
489:30°N 105°E
302:2008-09-07
248:References
223:Morphology
208:Mao County
89:Wade–Giles
396:CiteSeerX
380:Tectonics
229:Tectonics
727:Trenches
204:Wenchuan
200:Beichuan
192:Jiangyou
188:Guanxian
731:troughs
494:30; 105
418:2593411
388:Bibcode
359:Chinese
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155:in the
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809:Others
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329:2 June
159:. The
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748:Japan
592:Small
559:Large
480:105°E
414:S2CID
137:China
121:龙门山断层
51:龙门山断层
729:and
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538:East
477:30°N
432:link
331:2022
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