Articles | Volume 20, issue 2
https://doi.org/10.5194/nhess-20-377-2020
© 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-20-377-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
04 Feb 2020
Research article |
| 04 Feb 2020
| 04 Feb 2020
Processes culminating in the 2015 phreatic explosion at Lascar volcano, Chile, evidenced by multiparametric data
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473
Potsdam, Germany
Thomas R. Walter
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473
Potsdam, Germany
Stefan Bredemeyer
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473
Potsdam, Germany
GEOMAR Helmholtz Centre for Ocean Research Kiel, 24148 Kiel, Germany
Martin Zimmer
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473
Potsdam, Germany
Christian Kujawa
GFZ German Research Centre for Geosciences, Telegrafenberg, 14473
Potsdam, Germany
Luis Franco Marin
Observatorio Volcanológico de Los Andes del Sur (OVDAS), Servicio Nacional de Geología y Minería (SERNAGEOMIN), Temuco, Chile
Juan San Martin
Physics Science Department, Universidad de la Frontera, Casilla 54-D, Temuco, Chile
Claudia Bucarey Parra
Observatorio Volcanológico de Los Andes del Sur (OVDAS), Servicio Nacional de Geología y Minería (SERNAGEOMIN), Temuco, Chile
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Cited
22 citations as recorded by crossref.
- Photogrammetry and analogue experiments in 3D-printed mold applied to the 2022-2023 lava emplacement at Lascar Volcano in Chile L. Ai et al. https://doi.org/10.1038/s43247-025-03011-8
- Satellite Radar and Camera Time Series Reveal Transition from Aligned to Distributed Crater Arrangement during the 2021 Eruption of Cumbre Vieja, La Palma (Spain) V. Muñoz et al. https://doi.org/10.3390/rs14236168
- Volcanic Anomalies Monitoring System (VOLCANOMS), a Low-Cost Volcanic Monitoring System Based on Landsat Images S. Layana et al. https://doi.org/10.3390/rs12101589
- Reconstruction of pyroclastic density currents emplaced during the April 1993 sub-Plinian eruption of Lascar volcano, northern Chile A. Esquivel et al. https://doi.org/10.1007/s00445-025-01879-0
- Worldwide detection and classification of pre-eruptive tilt changes for understanding eruption mechanisms of volcanoes Y. Maeda & M. Asai https://doi.org/10.1186/s40623-026-02407-w
- The Transition from MODIS to VIIRS for Global Volcano Thermal Monitoring A. Campus et al. https://doi.org/10.3390/s22051713
- Statistical retrieval of volcanic activity in long time series orbital data: Implications for forecasting future activity M. Ramsey et al. https://doi.org/10.1016/j.rse.2023.113704
- Hyperexpansion of genetic diversity and metabolic capacity of extremophilic bacteria and archaea in ancient Andean lake sediments M. Lezcano et al. https://doi.org/10.1186/s40168-024-01878-x
- Reactivating and Calming Volcanoes: The 2015 MW 8.3 Illapel Megathrust Strike C. Farías & D. Basualto https://doi.org/10.1029/2020GL087738
- Phreatic eruptions at Whakaari Volcano driven by hydrothermal mineralisation and magmatic gas input S. Pearson-Grant et al. https://doi.org/10.1038/s43247-025-03057-8
- Magma storage conditions of Lascar andesites, central volcanic zone, Chile A. Stechern et al. https://doi.org/10.5194/ejm-36-721-2024
- Heat transport process associated with the 2021 eruption of Aso volcano revealed by thermal and gas monitoring S. Narita et al. https://doi.org/10.1186/s40623-024-01984-y
- Effects of extreme rainfall on phreatic eruptions: A case study of Mt. Ontake in Japan N. Uchida https://doi.org/10.3934/geosci.2024012
- Seismic structure and its implication on the hydrothermal system beneath Mt. Ontake, central Japan Y. Maeda & T. Watanabe https://doi.org/10.1186/s40623-023-01870-z
- A window on mantle-derived magmas within the Central Andes: eruption style transitions at Cerro Overo maar and La Albóndiga lava dome, northern Chile G. Ureta et al. https://doi.org/10.1007/s00445-021-01446-3
- The build-up and triggers of volcanic eruptions L. Caricchi et al. https://doi.org/10.1038/s43017-021-00174-8
- The hydrothermal system prior to a phreatic eruption: The case of the 1873 eruption at La Fossa (Vulcano Island, Italy) S. Giansante et al. https://doi.org/10.1016/j.jvolgeores.2025.108445
- PhixCam: A Tool to Georeference Images Captured by Visible Cameras with Applications for Volcano Monitoring A. Aravena et al. https://doi.org/10.3390/rs17213643
- Anatomy of the Bezymianny volcano merely before an explosive eruption on 20.12.2017 I. Koulakov et al. https://doi.org/10.1038/s41598-021-81498-9
- Phreatic and Hydrothermal Eruptions: From Overlooked to Looking Over C. Montanaro et al. https://doi.org/10.1007/s00445-022-01571-7
- Crater morphology, nested ring structures, and temperature anomalies studied by unoccupied aircraft system data at Lascar volcano, northern Chile L. Ai et al. https://doi.org/10.1016/j.jvolgeores.2023.107840
- Petrological and noble gas features of Lascar and Lastarria volcanoes (Chile): Inferences on plumbing systems and mantle characteristics P. Robidoux et al. https://doi.org/10.1016/j.lithos.2020.105615
22 citations as recorded by crossref.
- Photogrammetry and analogue experiments in 3D-printed mold applied to the 2022-2023 lava emplacement at Lascar Volcano in Chile L. Ai et al. https://doi.org/10.1038/s43247-025-03011-8
- Satellite Radar and Camera Time Series Reveal Transition from Aligned to Distributed Crater Arrangement during the 2021 Eruption of Cumbre Vieja, La Palma (Spain) V. Muñoz et al. https://doi.org/10.3390/rs14236168
- Volcanic Anomalies Monitoring System (VOLCANOMS), a Low-Cost Volcanic Monitoring System Based on Landsat Images S. Layana et al. https://doi.org/10.3390/rs12101589
- Reconstruction of pyroclastic density currents emplaced during the April 1993 sub-Plinian eruption of Lascar volcano, northern Chile A. Esquivel et al. https://doi.org/10.1007/s00445-025-01879-0
- Worldwide detection and classification of pre-eruptive tilt changes for understanding eruption mechanisms of volcanoes Y. Maeda & M. Asai https://doi.org/10.1186/s40623-026-02407-w
- The Transition from MODIS to VIIRS for Global Volcano Thermal Monitoring A. Campus et al. https://doi.org/10.3390/s22051713
- Statistical retrieval of volcanic activity in long time series orbital data: Implications for forecasting future activity M. Ramsey et al. https://doi.org/10.1016/j.rse.2023.113704
- Hyperexpansion of genetic diversity and metabolic capacity of extremophilic bacteria and archaea in ancient Andean lake sediments M. Lezcano et al. https://doi.org/10.1186/s40168-024-01878-x
- Reactivating and Calming Volcanoes: The 2015 MW 8.3 Illapel Megathrust Strike C. Farías & D. Basualto https://doi.org/10.1029/2020GL087738
- Phreatic eruptions at Whakaari Volcano driven by hydrothermal mineralisation and magmatic gas input S. Pearson-Grant et al. https://doi.org/10.1038/s43247-025-03057-8
- Magma storage conditions of Lascar andesites, central volcanic zone, Chile A. Stechern et al. https://doi.org/10.5194/ejm-36-721-2024
- Heat transport process associated with the 2021 eruption of Aso volcano revealed by thermal and gas monitoring S. Narita et al. https://doi.org/10.1186/s40623-024-01984-y
- Effects of extreme rainfall on phreatic eruptions: A case study of Mt. Ontake in Japan N. Uchida https://doi.org/10.3934/geosci.2024012
- Seismic structure and its implication on the hydrothermal system beneath Mt. Ontake, central Japan Y. Maeda & T. Watanabe https://doi.org/10.1186/s40623-023-01870-z
- A window on mantle-derived magmas within the Central Andes: eruption style transitions at Cerro Overo maar and La Albóndiga lava dome, northern Chile G. Ureta et al. https://doi.org/10.1007/s00445-021-01446-3
- The build-up and triggers of volcanic eruptions L. Caricchi et al. https://doi.org/10.1038/s43017-021-00174-8
- The hydrothermal system prior to a phreatic eruption: The case of the 1873 eruption at La Fossa (Vulcano Island, Italy) S. Giansante et al. https://doi.org/10.1016/j.jvolgeores.2025.108445
- PhixCam: A Tool to Georeference Images Captured by Visible Cameras with Applications for Volcano Monitoring A. Aravena et al. https://doi.org/10.3390/rs17213643
- Anatomy of the Bezymianny volcano merely before an explosive eruption on 20.12.2017 I. Koulakov et al. https://doi.org/10.1038/s41598-021-81498-9
- Phreatic and Hydrothermal Eruptions: From Overlooked to Looking Over C. Montanaro et al. https://doi.org/10.1007/s00445-022-01571-7
- Crater morphology, nested ring structures, and temperature anomalies studied by unoccupied aircraft system data at Lascar volcano, northern Chile L. Ai et al. https://doi.org/10.1016/j.jvolgeores.2023.107840
- Petrological and noble gas features of Lascar and Lastarria volcanoes (Chile): Inferences on plumbing systems and mantle characteristics P. Robidoux et al. https://doi.org/10.1016/j.lithos.2020.105615
Saved (final revised paper)
Discussed (final revised paper)
Latest update: 28 May 2026
Short summary
Phreatic eruptions often occur without signs of enhanced volcanic unrest, avoiding detection and posing a threat to people in the vicinity. We analyzed data of the 2015 phreatic eruption of Lascar volcano, Chile, to retrospectively identify a precipitation event as the trigger mechanism and potential signs heralding this minor eruption. We showed that it is possible to detect the precursory activity of phreatic eruptions by deploying appropriate multiparametric monitoring.
Phreatic eruptions often occur without signs of enhanced volcanic unrest, avoiding detection and...
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