## Economic landslide susceptibility under a socio-economic perspective_ an application to Umbria Region (Central Italy)

Donnini M.; Modica M.; Salvati P.; Marchesini I.; Rossi M.; Guzzetti F.; Zoboli R., 2020, Economic landslide susceptibility under a socio-economic perspective_ an application to Umbria Region (Central Italy), Jahrbuch für Regionalwissenschaft (2020). doi_10.1007/s10037-020-00143-6,
URL: http://www.cnr.it/prodotto/i/428991

An accurate understanding of physical and socio-economic effects of landslides is fundamental to develop more refined risk management, mitigation strategies and land use policies. In this paper we develop a measure to consider the interconnection between physical and economic exposure, i.e. what we call the economic landslide susceptibility, namely the probability of landslide occurrence in an area weighted for its socio-economic exposure considering the real-estate market values. The economic landslide susceptibility is estimated through a method designed for large areas that we applied to the Umbria Region (Central Italy). The method makes use of landslide susceptibility maps and a real estate market value map for any given area under analysis. The innovative concept of economic landslide susceptibility (that is de facto an ex ante landslide cost assessment) may be interpreted as the potential loss that an area might suffer in terms of its propensity for landslides. Useful applications of the proposed method lie in a better territorial management and in the land use planning.

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