Articles | Volume 22, issue 8
Nat. Hazards Earth Syst. Sci., 22, 2807–2827, 2022
https://doi.org/10.5194/nhess-22-2807-2022
Nat. Hazards Earth Syst. Sci., 22, 2807–2827, 2022
https://doi.org/10.5194/nhess-22-2807-2022
Research article
26 Aug 2022
Research article | 26 Aug 2022

An updated area-source seismogenic model (MA4) for seismic hazard of Italy

Francesco Visini et al.

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Short summary
As new data are collected, seismic hazard models can be updated and improved. In the framework of a project aimed to update the Italian seismic hazard model, we proposed a model based on the definition and parametrization of area sources. Using geological data, seismicity and other geophysical constraints, we delineated three-dimensional boundaries and activity rates of a seismotectonic zoning and explored the epistemic uncertainty by means of a logic-tree approach.
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