globalchange  > 气候变化与战略
DOI: 10.1016/j.tecto.2021.228867
论文题名:
The seismogenic structure and dynamic environment of Wulong Ms 5.0 earthquake revealed by magnetotelluric imaging
作者: Zhang S.; Yu N.; Wang E.; Li D.; Li R.; Liu Y.
刊名: Tectonophysics
ISSN: 00401951
出版年: 2021
卷: 811
语种: 英语
中文关键词: Dynamic environment ; Electrical resistivity structure ; Magnetotelluric ; Wulong earthquake
英文关键词: Electric conductivity ; Magnetotellurics ; Basement faults ; Chongqing , China ; Dynamic environments ; Earthquake zones ; Electrical resistivity structures ; Local stress ; Magnetotelluric imaging ; Seismogenic structures ; Earthquakes ; earthquake event ; electrical resistivity ; magnetotelluric method ; seismic zone ; seismology ; China ; Chongqing
英文摘要: The 2017 Wulong earthquake (Ms 5.0) took place in Chongqing, China, causing serious damage to the local infrastructure. However, the mechanism of this earthquake is still unclear. We deployed a 155 km long magnetotelluric (MT) profile with 24 broadband sounding stations across the Wulong earthquake zone. The phase tensor and phase-out-of-quadrant data analysis show that the whole region is mainly characterized with 3-D electrical resistivity structure. High-quality full electrical resistivity impedances were inverted by a 3-D scheme to image the structure beneath the profile. The 3-D electrical resistivity model indicates that the dynamic environment of the central and eastern Chongqing and the Two Lakes plains is different from the neighboring areas. The different stress environment of the study area observed suggests that this area is prone to earthquakes. The Wulong earthquake (Ms 5.0) may have been generated by the local stress adjustment of the Qiyaoshan basement fault. © 2021 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170941
Appears in Collections:气候变化与战略

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作者单位: School of Economics and Management, Chongqing Engineering Research Center for Spatial Big Data Intelligent Technology, Chongqing University of Posts and Telecommunications, Chongqing, China; School of Electrical Engineering, Chongqing University, Chongqing, China; Key Laboratory of Earth exploration and Information Technique, Chengdu University of Technology, Chengdu, China

Recommended Citation:
Zhang S.,Yu N.,Wang E.,et al. The seismogenic structure and dynamic environment of Wulong Ms 5.0 earthquake revealed by magnetotelluric imaging[J]. Tectonophysics,2021-01-01,811
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