Articles | Volume 24, issue 12
https://doi.org/10.5194/nhess-24-4267-2024
https://doi.org/10.5194/nhess-24-4267-2024
Research article
 | 
29 Nov 2024
Research article |  | 29 Nov 2024

Volcanic risk ranking and regional mapping of the Central Volcanic Zone of the Andes

María-Paz Reyes-Hardy, Luigia Sara Di Maio, Lucia Dominguez, Corine Frischknecht, Sébastien Biass, Leticia Freitas Guimarães, Amiel Nieto-Torres, Manuela Elissondo, Gabriela Pedreros, Rigoberto Aguilar, Álvaro Amigo, Sebastián García, Pablo Forte, and Costanza Bonadonna

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Cited articles

Aguilar, R., Thouret, J.-C., Samaniego, P., Wörner, G., Jicha, B., Paquette, J.-L., Suaña, E., and Finizola, A.: Growth and evolution of long-lived, large volcanic clusters in the Central Andes: The Chachani Volcano Cluster, southern Peru, J. Volcanol. Geoth. Res., 426, 107539, https://doi.org/10.1016/j.jvolgeores.2022.107539, 2022. 
Aguilera, F.: Origen y naturaleza de los fluidos en los sistemas volcánicos, geotermales y termales de baja entalpía de la Zona Volcánica Central entre los 17°43S y 25°10 S, Chile, PhD Thesis, Univ. Católica del Norte, 393, 2008 (in Spanish). 
Aguilera, F., Viramonte, J., Medina, E., Guzmán, K., Becchio, R., Delgado, H., and Arnosio, M.: Eruptive Activity From Lascar Volcano (2003–2005), XI Congr. Geológico Chil. Antofagasta, II Región, Chile, 7–11 August 2006, Universidad Catolica del Norte, 2, 397–400, 2006. 
Aguilera, F., Tassi, F., Darrah, T., Moune, S., and Vaselli, O.: Geochemical model of a magmatic–hydrothermal system at the Lastarria volcano, northern Chile, B. Volcanol., 74, 119–134, https://doi.org/10.1007/s00445-011-0489-5, 2012. 
Aguilera, F., Layana, S., Rodríguez-Díaz, A., González, C., Cortés, J., and Inostroza, M.: Hydrothermal alteration, fumarolic deposits and fluids from Lastarria Volcanic Complex: A multidisciplinary study, Andean Geol., 43, 166, https://doi.org/10.5027/andgeoV43n2-a02, 2016. 
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Short summary
The Central Volcanic Zone of the Andes (CVZA) spans four countries with 59 volcanoes. We identify those with the most intense and frequent eruptions and the highest potential impact that require risk mitigation actions. Using multiple risk factors, we encourage the use of regional volcanic risk assessments to analyse the level of preparedness especially of transboundary volcanoes. We hope that our work will motivate further collaborative studies and promote cooperation between CVZA countries.
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