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Three-dimensional dynamic simulation of waves produced by landslides: an analysis of the Mogangling landslide caused by the Moxi earthquake in 1786.

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Title: Three-dimensional dynamic simulation of waves produced by landslides: an analysis of the Mogangling landslide caused by the Moxi earthquake in 1786.
Authors: Ge, Yunfeng1,2 (AUTHOR) geyunfeng@cug.edu.cn, Shao, Xianyun1 (AUTHOR) shaoxianyun@cug.edu.cn, Fu, Xiaodong3 (AUTHOR) xdfu@whrsm.ac.cn, Zhu, Lei4 (AUTHOR) zhul@imde.ac.cn, Hu, Bin1 (AUTHOR) hubin2023@cug.edu.cn, Tang, Huiming1,5 (AUTHOR) tanghm@cug.edu.cn
Source: Quarterly Journal of Engineering Geology & Hydrogeology. May2026, Vol. 59 Issue 2, p1-13. 13p.
Subjects: Landslides, Water waves, Theory of wave motion, Computer simulation, Earthquakes, Granular flow, Landslide hazard analysis, Rockslides
Abstract: Surge waves generated by landslides can lead to catastrophic consequences, including severe economic losses and loss of life. This study investigates the surge waves induced by the Mogangling landslide triggered by the 1786 Moxi earthquake through a combination of numerical simulations and field surveys. A detailed field investigation was conducted to characterize the engineering geological features of the Mogangling landslide. Based on the point cloud data, a 3D landslide model was constructed and used for numerical simulations. The landslide motion was simulated using a granular flow model, and wave propagation was modelled using the renormalization group turbulence model. These two models were coupled to analyse the generation and evolution of the landslide-induced surge waves. The simulation results indicate that the peak sliding velocity of the landslide approached 20 m s−1. As the landslide mass entered the Dadu River, a large landslide-dam formed, temporarily blocking the river and generating intense surge waves. The peak water velocity increased to 30 m s−1, and the maximum wave height reached 81.78 m, which is consistent with the historical record of roughly 80 m. The surge waves propagated in a circular pattern toward the opposite riverbank. The findings provide insights for the risk assessment of landslide-induced surge waves. [ABSTRACT FROM AUTHOR]
Copyright of Quarterly Journal of Engineering Geology & Hydrogeology is the property of Geological Society Publishing House and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193492224
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Three-dimensional dynamic simulation of waves produced by landslides: an analysis of the Mogangling landslide caused by the Moxi earthquake in 1786.
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  Data: <searchLink fieldCode="AR" term="%22Ge%2C+Yunfeng%22">Ge, Yunfeng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> geyunfeng@cug.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Shao%2C+Xianyun%22">Shao, Xianyun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shaoxianyun@cug.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Fu%2C+Xiaodong%22">Fu, Xiaodong</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> xdfu@whrsm.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Lei%22">Zhu, Lei</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> zhul@imde.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Hu%2C+Bin%22">Hu, Bin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hubin2023@cug.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Tang%2C+Huiming%22">Tang, Huiming</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<i> tanghm@cug.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Quarterly+Journal+of+Engineering+Geology+%26+Hydrogeology%22">Quarterly Journal of Engineering Geology & Hydrogeology</searchLink>. May2026, Vol. 59 Issue 2, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Landslides%22">Landslides</searchLink><br /><searchLink fieldCode="DE" term="%22Water+waves%22">Water waves</searchLink><br /><searchLink fieldCode="DE" term="%22Theory+of+wave+motion%22">Theory of wave motion</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Earthquakes%22">Earthquakes</searchLink><br /><searchLink fieldCode="DE" term="%22Granular+flow%22">Granular flow</searchLink><br /><searchLink fieldCode="DE" term="%22Landslide+hazard+analysis%22">Landslide hazard analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Rockslides%22">Rockslides</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Surge waves generated by landslides can lead to catastrophic consequences, including severe economic losses and loss of life. This study investigates the surge waves induced by the Mogangling landslide triggered by the 1786 Moxi earthquake through a combination of numerical simulations and field surveys. A detailed field investigation was conducted to characterize the engineering geological features of the Mogangling landslide. Based on the point cloud data, a 3D landslide model was constructed and used for numerical simulations. The landslide motion was simulated using a granular flow model, and wave propagation was modelled using the renormalization group turbulence model. These two models were coupled to analyse the generation and evolution of the landslide-induced surge waves. The simulation results indicate that the peak sliding velocity of the landslide approached 20 m s−1. As the landslide mass entered the Dadu River, a large landslide-dam formed, temporarily blocking the river and generating intense surge waves. The peak water velocity increased to 30 m s−1, and the maximum wave height reached 81.78 m, which is consistent with the historical record of roughly 80 m. The surge waves propagated in a circular pattern toward the opposite riverbank. The findings provide insights for the risk assessment of landslide-induced surge waves. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Quarterly Journal of Engineering Geology & Hydrogeology is the property of Geological Society Publishing House and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1144/qjegh2025-147
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 13
        StartPage: 1
    Subjects:
      – SubjectFull: Landslides
        Type: general
      – SubjectFull: Water waves
        Type: general
      – SubjectFull: Theory of wave motion
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Earthquakes
        Type: general
      – SubjectFull: Granular flow
        Type: general
      – SubjectFull: Landslide hazard analysis
        Type: general
      – SubjectFull: Rockslides
        Type: general
    Titles:
      – TitleFull: Three-dimensional dynamic simulation of waves produced by landslides: an analysis of the Mogangling landslide caused by the Moxi earthquake in 1786.
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          Name:
            NameFull: Ge, Yunfeng
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            NameFull: Shao, Xianyun
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            NameFull: Fu, Xiaodong
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            NameFull: Zhu, Lei
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 59
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            – TitleFull: Quarterly Journal of Engineering Geology & Hydrogeology
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