Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/8221
Authors: | Marzocchi, W.* Garcia-Aristizabal, A.* Gasparini, P.* Mastellone, M. L.* Di Ruocco, A.* |
Title: | Basic principles of multi-risk assessment: a case study in Italy | Journal: | Natural Hazards | Series/Report no.: | 62/2(2012) | Publisher: | Springer Science+Business Media B.V. | Issue Date: | Jun-2012 | DOI: | 10.1007/s11069-012-0092-x | Keywords: | multi-risk assessment hazard interaction |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk 05. General::05.01. Computational geophysics::05.01.04. Statistical analysis 05. General::05.08. Risk::05.08.01. Environmental risk |
Abstract: | The assessment of the impact of different catastrophic events in a given area requires innovative approaches that allow risks comparison and that account for all the possible risk interactions. In the common practice, the risk evaluation related to different sources is generally done through independent analyses, adopting disparate procedures and time–space resolutions. Such a strategy of risks evaluation has some evident major drawbacks as, for example, it is difficult (if not impossible) to compare the risk of different origins, and the implicit assumption of independence of the risk sources leads to neglect possible interactions among threats and/or cascade effects. The latter may amplify the overall risk, and potentially the multi-risk index could be higher than the simple aggre- gation of single-risk indexes calculated considering each source as independent from the others. In this paper, we put forward some basic principles for multi-risk assessment, and we consider a real application to Casalnuovo municipality (Southern Italy), in which we face the problem to make different hazards comparable, and we highlight when and how possible interactions among different threats may become important. |
Appears in Collections: | Article published / in press |
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