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Authors: Zonno, G.* 
Rotondi, R.* 
Oliveira, C. S.* 
Carvalho, A.* 
Garcia-Fernandez, M.* 
Sigbjörnsson, R.* 
Working Group, UPStrat-MAFA* 
Other Titles: “Urban Disaster Prevention Strategies Using MAcroseismic Fields and FAult Sources”
Issue Date: 19-Aug-2012
Keywords: Probabilistic hazard
Seismic risk
Urban disaster prevention strategies
European project UPStrat-MAFA
Subject Classification04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous 
04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk 
Abstract: In the framework of EU research project “Urban Disaster Prevention Strategies Using MAcroseismic Fields and FAult Sources” (Grant Agreement n. 230301/2011/613486/SUB/A5) innovative approaches are proposed to improve critical points in the procedures for assessing probabilistic hazard and seismic risk; they are tested in particular locations – Mt. Etna, Vesuvius and Campi Flegrei areas (Italy), Azores Islands and areas hit by offshore activity (Portugal), Alicante-Murcia area (Spain) and South Iceland including Reykjavik surrounding urban area (Iceland). A unique probabilistic procedure has been used for seismic hazard evaluation processing both macroseismic fields and characteristics of fault sources. The direct application of probabilistic methodologies to observed and/or synthetic macroseismic fields allows us to carry out a more complete treatment of the uncertainties in the case of both point-wise and linear properties of a fault. An improvement of the urban scale vulnerability information on building and network systems (typologies, schools, strategic buildings, lifelines, and so on) has been introduced to use the new concept of global Disruption Index, with the objective to provide a systematic way to measure the earthquake impact in urbanized areas considered as a complex network. These measures have been then used to identify which nodes are likely to introduce major disruption in the whole urban system, and also which one of them suggests greater risk reduction if intervention takes place. Besides the disaster prevention strategies based on the level of risk, another effective component of disaster-risk reduction is given by long-term activities using educational information systems. To reduce the absence of risk perception in the community some actions have been performed, such as the development of educational materials and the design of a mobile earthquake interactive experience with interactive panels for children and adults, and a central platform for the simulation of an earthquake.
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