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Assessment of risk associated with tephra-related hazards

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Published in Papale, P. Forecasting and Planning for Volcanic Hazards, Risks, and Disasters: Elsevier. 2021, p. 329-378
Edition 2nd edition
Collection Hazards and Disasters
Abstract The ensemble of pyroclastic material injected into the atmosphere during explosive volcanic eruptions (i.e., tephra) has the potential to generate complex patterns of disruption at multiple temporal and spatial scales. Reducing associated risk requires a full characterization of the hazards associated with its dispersal, sedimentation, and aeolian remobilization and of various dimensions of vulnerability (e.g., physical, socio-economic, and systemic). Dedicated analytical and numerical models together with sophisticated probabilistic strategies have been developed for the description of the physical processes; however, due to the combination of a low frequency of volcanic eruptions and the infancy of associated risk studies, the characterization of vulnerability is still fragmentary and mostly focused on the physical acute damage. In this context, impact analyses have already provided fundamental insights into the vulnerability of various elements and systems and are essential to identifying important drivers of losses. Strategies of disaster risk reduction in volcanic regions will be effective only after the potential dynamic interaction between the geophysical event and exposed elements are understood and described.
Keywords TephraHazardImpactVulnerabilityRisk assessmentForensic analysisDamage scaleFragility functions
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ISBN: 978-0-12-818082-2
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Structures
Research group Physical Volcanology and Geological Risk
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(ISO format)
BONADONNA, Costanza et al. Assessment of risk associated with tephra-related hazards. In: Papale, P (Ed.). Forecasting and Planning for Volcanic Hazards, Risks, and Disasters. [s.l.] : Elsevier, 2021. p. 329-378. (Hazards and Disasters) doi: 10.1016/B978-0-12-818082-2.00008-1 https://archive-ouverte.unige.ch/unige:142851

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Deposited on : 2020-10-12

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