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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Cited articles

Albarello, D., Camassi, R., and Rebez, A.: Detection of space and time heterogeneity in the completeness of a seismic catalogue by a statistical approach: an application to the Italian area, B. Seismol. Soc. Am., 91, 1694–1703, https://doi.org/10.1785/0120000058, 2001. 
Akkar, S., Sandıkkaya, M. A., and Bommer, J. J.: Empirical ground-motion models for point- and extended-source crustal earthquake scenarios in Europe and the Middle East, B. Earthq. Eng., 12, 359–387, https://doi.org/10.1007/s10518-013-9461-4, 2014. 
Basili, R., Valensise, G., Vannoli, P., Burrato, P., Fracassi, U., Mariano, S., and Tiberti M. M.: The Database of Individual Seismogenic Sources (DISS), version 3: summarizing 20 years of research on Italy's earthquake geology, Tectonophysics, 453, 20–43, https://doi.org/10.1016/j.tecto.2007.04.014, 2008. 
Bernardi, F., Braunmiller, J., Kradolfer, U., and Giardini, D.: Automatic regional moment tensor inversion in the European-Mediterranean region, Geophys. J. Int., 157, 703–716, 2004. 
Billi, A., Presti D., Orecchio, B., Faccenna, C., and Neri, G.: Incipient extension along the active convergent margin of Nubia in Sicily, Italy: the Cefalu-Etna seismic zone, Tectonics, 29, TC4026, https://doi.org/10.1029/2009TC002559, 2010. 
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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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