Articles | Volume 20, issue 8
https://doi.org/10.5194/nhess-20-2319-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-20-2319-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
26 Aug 2020
Research article |
| 26 Aug 2020
| 26 Aug 2020
The mudflow disaster at Villa Santa Lucía in Chilean Patagonia: understandings and insights derived from numerical simulation and postevent field surveys
Marcelo A. Somos-Valenzuela
Department of Forest Sciences, Faculty of Agriculture and Forest
Sciences, Universidad de La Frontera, Av. Francisco Salazar 01145, Temuco,
4780000, Chile
Butamallin Research Center for Global Change, Universidad de La Frontera, Av. Francisco Salazar 01145, Temuco, 4780000, Chile
Joaquín E. Oyarzún-Ulloa
Department of Civil Engineering, Universidad de La Frontera, Av. Francisco Salazar 01145, Temuco, 4780000, Chile
Ivo J. Fustos-Toribio
CORRESPONDING AUTHOR
Department of Civil Engineering, Universidad de La Frontera, Av. Francisco Salazar 01145, Temuco, 4780000, Chile
Natalia Garrido-Urzua
Servicio Nacional de Geologia y Mineria, Av. La Paz 406, Puerto
Varas, Región de los Lagos, 5550000, Chile
Ningsheng Chen
Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
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22 citations as recorded by crossref.
- Pinus plantations impact hillslope stability and decrease landscape resilience by changing biogeomorphic feedbacks in Chile D. Tröger et al. 10.1016/j.catena.2022.106364
- Rainfall-induced landslide early warning system based on corrected mesoscale numerical models: an application for the southern Andes I. Fustos-Toribio et al. 10.5194/nhess-22-2169-2022
- Debris flow event on Osorno volcano, Chile, during summer 2017: new interpretations for chain processes in the southern Andes I. Fustos-Toribio et al. 10.5194/nhess-21-3015-2021
- Ecological problems of environment mudflows and their prediction: experience of Georgia R. Diakonidze et al. 10.1007/s10661-021-09621-x
- A comparative machine learning approach to identify landslide triggering factors in northern Chilean Patagonia B. Morales et al. 10.1007/s10346-021-01675-9
- Landslide processes related to recurrent explosive eruptions in the Southern Andes of Chile (39° S) D. Vásquez-Antipán et al. 10.1016/j.jsames.2025.105469
- Understanding Landslide Susceptibility in Northern Chilean Patagonia: A Basin-Scale Study Using Machine Learning and Field Data E. Lizama et al. 10.3390/rs14040907
- Spatial and temporal variability of the freezing level in Patagonia's atmosphere N. García-Lee et al. 10.5194/wcd-5-1137-2024
- Analog modeling of landslide dynamics: Case study from the Andean Mesón Alto deposit, Central Chile (∼33°40′S) L. Pinto et al. 10.1016/j.geomorph.2024.109564
- Understanding the failure mechanisms of the 2017 Santa Lucía landslide, Patagonian Andes, using remote sensing and 3D numerical modelling techniques J. Singh & S. Sepúlveda 10.1007/s10346-024-02346-1
- Assessment of geomorphological, hydrometeorological and geological trigger conditions of debris flows in northern Patagonia Andes G. Maragaño-Carmona et al. 10.1007/s10064-024-04004-1
- Trends in seasonal precipitation extremes and associated temperatures along continental Chile M. Lagos-Zúñiga et al. 10.1007/s00382-024-07127-z
- Rock slides in paraglacial environments in South America: three-dimensional modeling of glacier retreat and landslide inducing the 2017 Santa Lucía disaster in the Chilean Patagonia F. Ochoa-Cornejo et al. 10.1007/s10346-024-02419-1
- Large landslides cluster at the margin of a deglaciated mountain belt T. Pánek et al. 10.1038/s41598-022-09357-9
- Modeling landslide activity and sediment connectivity after eruptions: Insights from the Blanco River (Chile) A. Paredes et al. 10.1016/j.scitotenv.2023.163745
- An unseasonal atmospheric river drives anomalous summer snow accumulation on glaciers of the subtropical Andes C. Bravo et al. 10.5194/tc-19-1897-2025
- Landslide susceptibility mapping of Al Taif urban area, Saudi Arabia, using remote sensing data and microtremor measurements: integrated approach K. Abdelrahman et al. 10.3389/feart.2023.1270061
- A Case Study of the Debris Flows Event in the Chalk Cliffs Basin, Colorado, USA: Numerical Simulations Based on a Multi-Phase Flow Model M. Naqvi et al. 10.3390/w17030406
- Climatic and disturbance impacts on temperate rainforest development since ∼18 ka in central-west Isla Grande de Chiloé (42.7°S) P. Moreno et al. 10.1016/j.quascirev.2024.108688
- Development of a temperate rainforest zonation on the Pacific slopes of the North Patagonian Andes since ∼18 ka P. Moreno et al. 10.1016/j.quascirev.2024.108630
- Understanding the Geotechnical Behaviour of Pumiceous Soil: A Review B. Elankumaran et al. 10.3390/geotechnics4040061
- Patagonian Andes Landslides Inventory: The Deep Learning’s Way to Their Automatic Detection B. Morales et al. 10.3390/rs14184622
22 citations as recorded by crossref.
- Pinus plantations impact hillslope stability and decrease landscape resilience by changing biogeomorphic feedbacks in Chile D. Tröger et al. 10.1016/j.catena.2022.106364
- Rainfall-induced landslide early warning system based on corrected mesoscale numerical models: an application for the southern Andes I. Fustos-Toribio et al. 10.5194/nhess-22-2169-2022
- Debris flow event on Osorno volcano, Chile, during summer 2017: new interpretations for chain processes in the southern Andes I. Fustos-Toribio et al. 10.5194/nhess-21-3015-2021
- Ecological problems of environment mudflows and their prediction: experience of Georgia R. Diakonidze et al. 10.1007/s10661-021-09621-x
- A comparative machine learning approach to identify landslide triggering factors in northern Chilean Patagonia B. Morales et al. 10.1007/s10346-021-01675-9
- Landslide processes related to recurrent explosive eruptions in the Southern Andes of Chile (39° S) D. Vásquez-Antipán et al. 10.1016/j.jsames.2025.105469
- Understanding Landslide Susceptibility in Northern Chilean Patagonia: A Basin-Scale Study Using Machine Learning and Field Data E. Lizama et al. 10.3390/rs14040907
- Spatial and temporal variability of the freezing level in Patagonia's atmosphere N. García-Lee et al. 10.5194/wcd-5-1137-2024
- Analog modeling of landslide dynamics: Case study from the Andean Mesón Alto deposit, Central Chile (∼33°40′S) L. Pinto et al. 10.1016/j.geomorph.2024.109564
- Understanding the failure mechanisms of the 2017 Santa Lucía landslide, Patagonian Andes, using remote sensing and 3D numerical modelling techniques J. Singh & S. Sepúlveda 10.1007/s10346-024-02346-1
- Assessment of geomorphological, hydrometeorological and geological trigger conditions of debris flows in northern Patagonia Andes G. Maragaño-Carmona et al. 10.1007/s10064-024-04004-1
- Trends in seasonal precipitation extremes and associated temperatures along continental Chile M. Lagos-Zúñiga et al. 10.1007/s00382-024-07127-z
- Rock slides in paraglacial environments in South America: three-dimensional modeling of glacier retreat and landslide inducing the 2017 Santa Lucía disaster in the Chilean Patagonia F. Ochoa-Cornejo et al. 10.1007/s10346-024-02419-1
- Large landslides cluster at the margin of a deglaciated mountain belt T. Pánek et al. 10.1038/s41598-022-09357-9
- Modeling landslide activity and sediment connectivity after eruptions: Insights from the Blanco River (Chile) A. Paredes et al. 10.1016/j.scitotenv.2023.163745
- An unseasonal atmospheric river drives anomalous summer snow accumulation on glaciers of the subtropical Andes C. Bravo et al. 10.5194/tc-19-1897-2025
- Landslide susceptibility mapping of Al Taif urban area, Saudi Arabia, using remote sensing data and microtremor measurements: integrated approach K. Abdelrahman et al. 10.3389/feart.2023.1270061
- A Case Study of the Debris Flows Event in the Chalk Cliffs Basin, Colorado, USA: Numerical Simulations Based on a Multi-Phase Flow Model M. Naqvi et al. 10.3390/w17030406
- Climatic and disturbance impacts on temperate rainforest development since ∼18 ka in central-west Isla Grande de Chiloé (42.7°S) P. Moreno et al. 10.1016/j.quascirev.2024.108688
- Development of a temperate rainforest zonation on the Pacific slopes of the North Patagonian Andes since ∼18 ka P. Moreno et al. 10.1016/j.quascirev.2024.108630
- Understanding the Geotechnical Behaviour of Pumiceous Soil: A Review B. Elankumaran et al. 10.3390/geotechnics4040061
- Patagonian Andes Landslides Inventory: The Deep Learning’s Way to Their Automatic Detection B. Morales et al. 10.3390/rs14184622
Latest update: 29 May 2025
Short summary
This work presents a study of the biggest mudflow event in 20 years in Chilean Patagonia, which resulted from an avalanche in the Cordon Yelcho. We integrate in situ geotechnical tests and numerical modeling to model the Villa Santa Lucía mudflow event. Our results suggest that the initial soil water content is sufficient to transform the landslide and scoured soil into a mudflow. Therefore, knowing the soil characteristics is crucial to evaluating the impact of landslides in the study area.
This work presents a study of the biggest mudflow event in 20 years in Chilean Patagonia, which...
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