Articles | Volume 20, issue 2
Nat. Hazards Earth Syst. Sci., 20, 377–397, 2020
https://doi.org/10.5194/nhess-20-377-2020
Nat. Hazards Earth Syst. Sci., 20, 377–397, 2020
https://doi.org/10.5194/nhess-20-377-2020

Research article 04 Feb 2020

Research article | 04 Feb 2020

Processes culminating in the 2015 phreatic explosion at Lascar volcano, Chile, evidenced by multiparametric data

Ayleen Gaete et al.

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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.
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