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Tsunami evacuation modelling as a tool for risk reduction: application to the coastal area of El Salvador

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González Riancho, P. and Aguirre Ayerbe, I. and Aniel Quiroga, Íñigo and Abad, S. and González, M. and Larreynaga, J. and Gavidia, F. and Gutiérrez, O.Q. and Álvarez Gómez, José Antonio and Medina, R. (2013) Tsunami evacuation modelling as a tool for risk reduction: application to the coastal area of El Salvador. Natural Hazards, 13 . pp. 3249-3270. ISSN 0921-030X

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Official URL: http://link.springer.com/journal/11069#AboutSection



Abstract

Advances in the understanding and prediction of
tsunami impacts allow the development of risk reduction
strategies for tsunami-prone areas. This paper presents an integral
framework for the formulation of tsunami evacuation
plans based on tsunami vulnerability assessment and evacuation
modelling. This framework considers (i) the hazard aspects
(tsunami flooding characteristics and arrival time), (ii)
the characteristics of the exposed area (people, shelters and
road network), (iii) the current tsunami warning procedures
and timing, (iv) the time needed to evacuate the population,
and (v) the identification of measures to improve the evacuation
process. The proposed methodological framework aims
to bridge between risk assessment and risk management in
terms of tsunami evacuation, as it allows for an estimation
of the degree of evacuation success of specific management
options, as well as for the classification and prioritization of
the gathered information, in order to formulate an optimal
evacuation plan. The framework has been applied to the El
Salvador case study, demonstrating its applicability to sitespecific
response times and population characteristics.


Item Type:Article
Uncontrolled Keywords:Tsunami, El Salvador
Subjects:Sciences > Geology > Seismology
ID Code:26163
Deposited On:04 Jul 2014 09:46
Last Modified:04 Jul 2014 09:46

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