Articles | Volume 15, issue 4
Nat. Hazards Earth Syst. Sci., 15, 757–766, 2015
https://doi.org/10.5194/nhess-15-757-2015
Nat. Hazards Earth Syst. Sci., 15, 757–766, 2015
https://doi.org/10.5194/nhess-15-757-2015

Research article 08 Apr 2015

Research article | 08 Apr 2015

Secondary lahar hazard assessment for Villa la Angostura, Argentina, using Two-Phase-Titan modelling code during 2011 Cordón Caulle eruption

G. Córdoba et al.

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This paper shows the results of secondary lahar modelling in Villa La Angostura town (Neuquén-Argentina) based on the Two-Phase-Titan modelling computer code. Possible occurrence of secondary lahars that could reach the city was analysed. The procedure allowed simulation of the path of flows from Florencia, Las Piedritas and Colorado creeks, which are the most influential streams in Villa La Angostura. The output of the modelling is a valuable tool for city planning and risk management.
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