Articles | Volume 13, issue 3
https://doi.org/10.5194/tc-13-997-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-13-997-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Brief communication
| 
26 Mar 2019
Brief communication |
| 26 Mar 2019
| 26 Mar 2019
Brief communication: Collapse of 4 Mm3 of ice from a cirque glacier in the Central Andes of Argentina
Daniel Falaschi
CORRESPONDING AUTHOR
Departamento de Geografía, Facultad de Filosofía y Letras, Universidad Nacional de Cuyo, Mendoza, 5500, Argentina
Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Mendoza, 5500, Argentina
Andreas Kääb
Department of Geosciences, University of Oslo, Oslo, 0371, Norway
Frank Paul
Department of Geography, University of Zürich, Zürich, 8057, Switzerland
Takeo Tadono
Earth Observation research Center, Japan Aerospace Exploration Agency, 2-1-1, Sengen, Tsukuba, Ibaraki 305-8505, Japan
Juan Antonio Rivera
Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Mendoza, 5500, Argentina
Luis Eduardo Lenzano
Departamento de Geografía, Facultad de Filosofía y Letras, Universidad Nacional de Cuyo, Mendoza, 5500, Argentina
Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales, Mendoza, 5500, Argentina
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Cited
23 citations as recorded by crossref.
- Multi-decadal geomorphic changes of a low-angle valley glacier in the East Kunlun Mountains: remote sensing observations and detachment hazard assessment X. Wang et al. https://doi.org/10.5194/nhess-21-2791-2021
- Process, mechanisms, and early warning of glacier collapse-induced river blocking disasters in the Yarlung Tsangpo Grand Canyon, southeastern Tibetan Plateau B. An et al. https://doi.org/10.1016/j.scitotenv.2021.151652
- Sudden large-volume detachments of low-angle mountain glaciers – more frequent than thought? A. Kääb et al. https://doi.org/10.5194/tc-15-1751-2021
- Failure of Marmolada Glacier (Dolomites, Italy) in 2022: data-based back analysis of possible collapse mechanisms R. Francese et al. https://doi.org/10.5194/nhess-25-3027-2025
- The 1980 Aparejo Glacier catastrophic detachment: new insights and current status F. Ugalde et al. https://doi.org/10.3389/frwa.2024.1377216
- Glacier and rock glacier changes since the 1950s in the La Laguna catchment, Chile B. Robson et al. https://doi.org/10.5194/tc-16-647-2022
- A conceptual model for evaluating the stability of high-altitude ice-rich slopes through coupled thermo-hydro-mechanical simulation M. Wei et al. https://doi.org/10.1016/j.enggeo.2024.107514
- Geomorphic and sedimentary signatures of catastrophic glacier detachments: A first assessment from Flat Creek, Alaska M. Jacquemart et al. https://doi.org/10.1016/j.geomorph.2022.108376
- Mechanical behavior of mixed rock-ice deposits in high-latitude mountainous areas W. Chang et al. https://doi.org/10.1016/j.jrmge.2025.06.041
- The socio-cultural implications of glacier retreat demand further attention: a case study from Cerro El Plomo in Santiago, Chile K. Altemus Cullen et al. https://doi.org/10.3389/feart.2025.1564881
- The joint driving effects of climate and weather changes caused the Chamoli glacier-rock avalanche in the high altitudes of the India Himalaya Y. Zhou et al. https://doi.org/10.1007/s11430-021-9844-0
- What drives large-scale glacier detachments? Insights from Flat Creek glacier, St. Elias Mountains, Alaska M. Jacquemart et al. https://doi.org/10.1130/G47211.1
- Glacier detachments and rock-ice avalanches in the Petra Pervogo range, Tajikistan (1973–2019) S. Leinss et al. https://doi.org/10.5194/nhess-21-1409-2021
- Increasing cryospheric hazards in a warming climate Y. Ding et al. https://doi.org/10.1016/j.earscirev.2020.103500
- Brief communication: An approximately 50 Mm3 ice-rock avalanche on 22 March 2021 in the Sedongpu valley, southeastern Tibetan Plateau C. Zhao et al. https://doi.org/10.5194/tc-16-1333-2022
- Hazard, and risk modelling of glacial lakes in the Sikkim Himalaya: Integrating qualitative and quantitative approaches for hazard assessment D. Gaikwad et al. https://doi.org/10.1016/j.geomorph.2024.109577
- Reconstructing the Chongbaxia Tsho glacial lake outburst flood in the Eastern Himalaya: Evolution, process and impacts Y. Nie et al. https://doi.org/10.1016/j.geomorph.2020.107393
- Triggers for multiple glacier detachments from a low-angle valley glacier in the Amney Machen Range, eastern Tibetan Plateau C. Zou et al. https://doi.org/10.1016/j.geomorph.2023.108867
- Debris flow simulation and modeling of the 2021 flash flood hazard caused by a rock-ice avalanche in the Rishiganga River valley of Uttarakhand G. Singh et al. https://doi.org/10.1007/s10661-023-11774-w
- Susceptibility assessment for glacier hazards in the Volcán catchment, Central Andes of Chile F. Ugalde & S. Sepúlveda https://doi.org/10.1016/j.jsames.2025.105581
- Probability of glacial lake outburst flooding in the Himalaya L. Mohanty & S. Maiti https://doi.org/10.1016/j.resenv.2021.100031
- Understanding the 2004 glacier detachment in the Amney Machen Mountains, northeastern Tibetan Plateau, via multi-phase modeling T. Zhang et al. https://doi.org/10.1007/s10346-022-01989-2
- Using CHIRPS Dataset to Assess Wet and Dry Conditions along the Semiarid Central-Western Argentina J. Rivera et al. https://doi.org/10.1155/2019/8413964
23 citations as recorded by crossref.
- Multi-decadal geomorphic changes of a low-angle valley glacier in the East Kunlun Mountains: remote sensing observations and detachment hazard assessment X. Wang et al. https://doi.org/10.5194/nhess-21-2791-2021
- Process, mechanisms, and early warning of glacier collapse-induced river blocking disasters in the Yarlung Tsangpo Grand Canyon, southeastern Tibetan Plateau B. An et al. https://doi.org/10.1016/j.scitotenv.2021.151652
- Sudden large-volume detachments of low-angle mountain glaciers – more frequent than thought? A. Kääb et al. https://doi.org/10.5194/tc-15-1751-2021
- Failure of Marmolada Glacier (Dolomites, Italy) in 2022: data-based back analysis of possible collapse mechanisms R. Francese et al. https://doi.org/10.5194/nhess-25-3027-2025
- The 1980 Aparejo Glacier catastrophic detachment: new insights and current status F. Ugalde et al. https://doi.org/10.3389/frwa.2024.1377216
- Glacier and rock glacier changes since the 1950s in the La Laguna catchment, Chile B. Robson et al. https://doi.org/10.5194/tc-16-647-2022
- A conceptual model for evaluating the stability of high-altitude ice-rich slopes through coupled thermo-hydro-mechanical simulation M. Wei et al. https://doi.org/10.1016/j.enggeo.2024.107514
- Geomorphic and sedimentary signatures of catastrophic glacier detachments: A first assessment from Flat Creek, Alaska M. Jacquemart et al. https://doi.org/10.1016/j.geomorph.2022.108376
- Mechanical behavior of mixed rock-ice deposits in high-latitude mountainous areas W. Chang et al. https://doi.org/10.1016/j.jrmge.2025.06.041
- The socio-cultural implications of glacier retreat demand further attention: a case study from Cerro El Plomo in Santiago, Chile K. Altemus Cullen et al. https://doi.org/10.3389/feart.2025.1564881
- The joint driving effects of climate and weather changes caused the Chamoli glacier-rock avalanche in the high altitudes of the India Himalaya Y. Zhou et al. https://doi.org/10.1007/s11430-021-9844-0
- What drives large-scale glacier detachments? Insights from Flat Creek glacier, St. Elias Mountains, Alaska M. Jacquemart et al. https://doi.org/10.1130/G47211.1
- Glacier detachments and rock-ice avalanches in the Petra Pervogo range, Tajikistan (1973–2019) S. Leinss et al. https://doi.org/10.5194/nhess-21-1409-2021
- Increasing cryospheric hazards in a warming climate Y. Ding et al. https://doi.org/10.1016/j.earscirev.2020.103500
- Brief communication: An approximately 50 Mm3 ice-rock avalanche on 22 March 2021 in the Sedongpu valley, southeastern Tibetan Plateau C. Zhao et al. https://doi.org/10.5194/tc-16-1333-2022
- Hazard, and risk modelling of glacial lakes in the Sikkim Himalaya: Integrating qualitative and quantitative approaches for hazard assessment D. Gaikwad et al. https://doi.org/10.1016/j.geomorph.2024.109577
- Reconstructing the Chongbaxia Tsho glacial lake outburst flood in the Eastern Himalaya: Evolution, process and impacts Y. Nie et al. https://doi.org/10.1016/j.geomorph.2020.107393
- Triggers for multiple glacier detachments from a low-angle valley glacier in the Amney Machen Range, eastern Tibetan Plateau C. Zou et al. https://doi.org/10.1016/j.geomorph.2023.108867
- Debris flow simulation and modeling of the 2021 flash flood hazard caused by a rock-ice avalanche in the Rishiganga River valley of Uttarakhand G. Singh et al. https://doi.org/10.1007/s10661-023-11774-w
- Susceptibility assessment for glacier hazards in the Volcán catchment, Central Andes of Chile F. Ugalde & S. Sepúlveda https://doi.org/10.1016/j.jsames.2025.105581
- Probability of glacial lake outburst flooding in the Himalaya L. Mohanty & S. Maiti https://doi.org/10.1016/j.resenv.2021.100031
- Understanding the 2004 glacier detachment in the Amney Machen Mountains, northeastern Tibetan Plateau, via multi-phase modeling T. Zhang et al. https://doi.org/10.1007/s10346-022-01989-2
- Using CHIRPS Dataset to Assess Wet and Dry Conditions along the Semiarid Central-Western Argentina J. Rivera et al. https://doi.org/10.1155/2019/8413964
Saved (final revised paper)
Latest update: 30 May 2026
Short summary
In March 2007, the Leñas Glacier in the Central Andes of Argentina collapsed and released an ice avalanche that travelled a distance of 2 km. We analysed aerial photos, satellite images and field evidence to investigate the evolution of the glacier from the 1950s through the present day. A clear potential trigger of the collapse could not be identified from available meteorological and seismic data, nor could a significant change in glacier geometry leading to glacier instability be detected.
In March 2007, the Leñas Glacier in the Central Andes of Argentina collapsed and released an...
