Tsunami Risk in the City of San Antonio: A Contribution to Local Governments
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Abstract
The geological location of Chile in the circle of the South Pacific, where the coast- line runs parallel to the subduction zone between the plates Nazca and South Amer- ican, has caused the tsunamis are recurring, still a major problem for the population, due to its complexity and sudden occurrence. It is for this reason that the determina- tion of tsunami risN areas for the first response effect becomes a priority and urgent need to help the authorities to be timelier, efficient and effective decisions.
The study presented below is based on the development of a user-friendly meth- odology that enables municipalities with populations in the coastal edge; identify areas at risN of tsunami through a Geographic Information System. The methodolo- gy was applied in the municipality of San Antonio, Valparaíso Region. For devel- opment of cadastre information materiality of homes he raised, a digital elevation model and vector coverage concerning the commune socioeconomic information was used.
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