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Real-time evacuation and failure mechanism of a giant soil landslide on 19 July 2018 in Yanyuan County, Sichuan Province, China

Research output: Contribution to journalArticle

  • Guisheng Hu
  • Mei Liu
  • Ningsheng Chen
  • Xiaopeng Zhang
  • Kanglin Wu
  • Binish Raj Khanal
  • D. Han
Original languageEnglish
Pages (from-to)1177-1187
Number of pages11
Issue number6
Early online date11 Apr 2019
DateAccepted/In press - 21 Mar 2019
DateE-pub ahead of print - 11 Apr 2019
DatePublished (current) - 1 Jun 2019


A giant soil landslide named Boli landslide occurred on the right bank of Taozi Gully, a branch of the Jiami River in Taozi town, Sichuan Province, China, at approximately 5:40 am local time on 19 July 2018. The landslide destroyed 186 houses and nearly 300 acres of agricultural land in Boli village. Real-time evacuation was successfully implemented to avoid casualties of 281 people among 65 settlements due to the effective warning. This study revealed the typical characteristics, the cause, and the failure mechanism of Boli landslide on the basis of multi-temporal remote sensing images, field investigation, and analysis of the landslide soils. A simple, effective, and scalable community-based early warning system was also proposed in the study on the basis of real-time evacuation in response to landslide hazards in mountain in near future. Moreover, the experience and the effective risk avoidance mode of this study can be used by the concern parties to improve the disaster prevention and countermeasures of poor mountainous areas.

    Research areas

  • Boli landslide, Failure mechanism, Rainfall, Real-time evacuation, Sichuan



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