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-La Doña Juana Landfill is the main municipal solid-waste landfill for Bogota, and receives waste from the city and nearby municipalities(Pedro E,2020). The landfill which had been operating at an overloaded capacity for many years, experienced severe landside accidents in 1997, 2015 and 2020.
-The main issue surrounding this landfill site is that the unstable technology for waste disposal has led to environmental pollution around it and damage to the health of residents( Lanzas,2017). This has triggered a community conflict regarding whether the current waste disposal model should be changed, replacing the traditional method of burying waste with a more environmentally friendly approach that can potentially recycle the waste, and closing the landfill site(Paola,2024).
-The first and largest flow-type landslide occurred on September 27, 1997, in Bogotá, leading to materials clogging the Tunjuelo River. Referring to Figure 1, the affected area of the landslide expanded from the northeast to the south between 2015 and 2020. The total landfill area was completely filled. According to Lozano and Ávila (2024), the Doña Juana MSW covers an area of 500 hectares, with waste heights varying from 30 to 120 meters. Geologically, the area consists of a basin of sedimentary rocks, primarily claystone and limestone from the Bogotá Formation, as well as Quaternary deposits.
-Fig 1: {{:screenshot_2025-11-07_112830.png?400|}}