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Paleoseismology and Disaster Prevention

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1306

Special Issue Editors


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Guest Editor
Institute of Geology, China Earthquake Administration, 1 Huayanlijia, Beijing 100029, China
Interests: active tectonics; tectonic geomorphology

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Guest Editor
Institute of Disaster Prevention, China Earthquake Administration, 465 Xueyuan Str., Sanhe County, Langfang 065201, China
Interests: neotectonic; active tectonics; geological hazards

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Guest Editor
School of Earth System Science, Tianjin University, Tianjin 300072, China
Interests: tectonic geomorphology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Paleoseismology is an interdisciplinary field that requires the integration of geology, geomorphology, geophysics, remote sensing, Quaternary chronology and other related disciplines. The study of paleoseismology has made remarkable progress in the past 30 years. The theme of this Special Issue is "Paleoseismology and Disaster Prevention", which calls for relevant original articles on topics including but not limited to the following:

  1. New methods and techniques for paleoseismic research;
  2. Recent progress in paleoseismic identification in bedrock areas;
  3. Paleoseismic research on hidden active faults in plain areas;
  4. Paleoseismology and urban disaster prevention and mitigation;
  5. Paleoseismology and seismic fortification of major construction projects;
  6. Paleoseismology and earthquake prediction and hazard assessment;
  7. Paleoseismology and the investigation of natural disaster chains.

Dr. Shaopeng Dong
Prof. Dr. Zhongyuan Yu
Dr. Yanxiu Shao
Guest Editors

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Keywords

  • paleoseismology
  • disaster prevention
  • active tectonics
  • hazard assessment
  • earthquake prediction
  • natural disaster chains
  • seismic risk

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Published Papers (1 paper)

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Research

21 pages, 37380 KiB  
Article
A 3D Seismotectonic Model and the Spatiotemporal Relationship of Two Historical Large Earthquakes in the Linfen Basin, North China
by Zhaowu Guo, Renqi Lu, Zhujun Han, Guanshen Liu, Feng Shi, Jing Yang and Xiaobing Yan
Appl. Sci. 2024, 14(18), 8412; https://doi.org/10.3390/app14188412 - 19 Sep 2024
Viewed by 839
Abstract
The Shanxi Graben is a transitional zone between the Ordos Block and North China Plain with complex structures and frequent earthquakes. Six earthquakes with M ≥ 7.0 have been recorded in the area, including the 1303 Hongtong M 8 and 1695 Linfen M [...] Read more.
The Shanxi Graben is a transitional zone between the Ordos Block and North China Plain with complex structures and frequent earthquakes. Six earthquakes with M ≥ 7.0 have been recorded in the area, including the 1303 Hongtong M 8 and 1695 Linfen M 7.8 earthquakes in the Linfen Basin. Research on these two large earthquakes, closely related in time and space, is lacking. Our objective was to use deep seismic reflection profiles and 3D velocity structure data from previous research, along with seismological observation results, to interpret the geological structure near the source of the two earthquakes. A 3D geometric model of the seismogenic fault was constructed, and the relationships among the deep and shallow structures, deep seismogenic environment, and two large earthquakes were explored. Differences in seismogenic environment between the southern and northern Linfen Basin were identified. The distribution of small earthquakes in the southern Linfen Basin was scattered, and the overall distribution was at depths <25 km. The small earthquakes in the northern part of the basin were dense and concentrated at depths of 25–35 km. Low-velocity layers at an approximate depth of 15–20 km in the southern basin led to differences in seismogenesis between the two regions. Based on the area of the 3D geometric model of the Huoshan Fault, the maximum magnitude of an earthquake caused by fault rupture is Mw 7.7, so the magnitude of the 1303 Hongtong earthquake might be overestimated. Numerical simulation results of Coulomb stress showed that the 1303 Hongtong earthquake had a stress-loading effect on the 1695 Linfen earthquake. The change in Coulomb rupture stress was 1.008–2.543 bar, which is higher than the generally considered earthquake trigger threshold (0.1 bar). We created a new 3D source model of large earthquakes in the Linfen Basin, Shanxi Province, providing a reference and typical cases for risk assessment of large earthquakes in different regions of the Shanxi Graben. Full article
(This article belongs to the Special Issue Paleoseismology and Disaster Prevention)
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