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An anthropogenic landslide dammed the Songmai River, a tributary of the Jinsha River in Southwestern China

Author

Listed:
  • Chong Xu

    (China Earthquake Administration
    China Earthquake Administration)

  • Yulong Cui

    (Anhui University of Science and Technology)

  • Xiwei Xu

    (China Earthquake Administration
    China Earthquake Administration)

  • Pengpeng Bao

    (Anhui University of Science and Technology)

  • Gui Fu

    (Anhui University of Science and Technology)

  • Wenliang Jiang

    (China Earthquake Administration)

Abstract

On March 20, 2019, a landslide (named Yagu landslide) occurred in eastern Tibetan Plateau. It produced a 10-m-high dam, resulting in a lake on the Songmai River, a tributary of the Jinsha River. This paper describes this slope failure and analyzes the process and cause of the landsliding based on the combination of Google Earth images, PlanetScope satellite optical images, field photography and geologic data. It is speculated that this event was likely induced by local human activity, such as quarrying rather than natural factors. This example raises a challenging issue whether the ongoing projects along the Jinsha River can induce landslides. In addition, the emergency responses of the government and the effort for risk removal of the dammed lake are presented.

Suggested Citation

  • Chong Xu & Yulong Cui & Xiwei Xu & Pengpeng Bao & Gui Fu & Wenliang Jiang, 2019. "An anthropogenic landslide dammed the Songmai River, a tributary of the Jinsha River in Southwestern China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 99(1), pages 599-608, October.
    • Handle: RePEc:spr:nathaz:v:99:y:2019:i:1:d:10.1007_s11069-019-03740-y
    DOI: 10.1007/s11069-019-03740-y
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