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Revista Universitaria de Geografía

versión On-line ISSN 1852-4265

Resumen

DELMENICO, Agustín et al. Los indicadores censales como herramienta para evaluar la vulnerabilidad social frente a la caída de ceniza volcánica: El caso de Villa La Angostura (Argentina) durante la erupción del Cordón Caulle 2011. Rev. Univ. geogr. [online]. 2018, vol.27, n.2, pp. 11-42. ISSN 1852-4265.

Vulnerability is defined by the socioeconomic conditions prior to the occurrence of a catastrophic event. The eruption of Cordón Caulle in June 2011 brought consequences to the Nahuel Huapi region, mainly in Villa La Angostura. Economic activities, basic services, transport and communication systems, among others, were all affected by the ash fall. The objective of this paper is to develop a methodological tool to assess the social vulnerability to the fall of volcanic ash from the indicators provided by the 2010 National Household and Housing Population Census which shows the scenario prior to the eruption. At the same time, it facilitates its replicability based on data available at the national level. The indicators were mapped, analyzed by census radios and collated with available information on the measures adopted during the emergency so that a final vulnerability map was drawn up. The opportunity and relevance of census data to anticipate vulnerable sites was highlighted especially when considering the housing conditions, drinking water supply system and the materials and roof’s slope, as well as the improvements made after the emergency (e.g. drinking water supply and distribution systems).

Palabras llave : Vulnerability; Eruption; Volcanic ash fall; Census indicators; Cordón Caulle.

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