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Authors: Selva, J.*
Marzocchi, W.*
Sandri, L.*
Costa, A.*
Editors: Shroder, JF; University of Nebraska at Omaha
Papale, Paolo; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Pisa, Pisa, Italia
Title: Operational Short-term Volcanic Hazard Analysis: Methods and Perspectives
Issue Date: 2015
ISBN: 978-0-12-396453-3
Keywords: Short-term volcanic hazard
Abstract: Probabilistic Volcanic Hazard Assessment (PVHA) is the most complete scientific contribution for planning rational strategies aimed at mitigating the risk posed by volcanic activity at different time scales. The definition of the spaceetime window for PVHA is related to the kind of risk mitigation actions that are under consideration. During volcanic unrest episodes or eruptions, short-term PVHA is essential for crisis management, since tephra may heavily affect building stability, public health, trans- portations and evacuation routes (airports, trains, road traffic), and lifelines (electric power supply). In this study, we propose a new methodology for the short-term PVHA based on the Bayesian Event Tree model, in which measures from the monitoring system are used to routinely update the probabilities of ash fall loading in the sur- roundings of the volcano. As an example, we apply this procedure to the 1982e1984 volcanic unrest at Campi Flegrei, Italy.
Appears in Collections:Book chapters
04.08.08. Volcanic risk

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