Articles | Volume 21, issue 8
Nat. Hazards Earth Syst. Sci., 21, 2299–2311, 2021
https://doi.org/10.5194/nhess-21-2299-2021
Nat. Hazards Earth Syst. Sci., 21, 2299–2311, 2021
https://doi.org/10.5194/nhess-21-2299-2021

Research article 03 Aug 2021

Research article | 03 Aug 2021

Integrating macroseismic intensity distributions with a probabilistic approach: an application in Italy

Andrea Antonucci et al.

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Cited articles

Albarello, D. and D'Amico, V.: Attenuation relationship of macroseismic intensity in Italy for probabilistic seismic hazard assessment, B. Geofis. Teor. Appl., 45, 271–284, 2004. 
Albarello, D. and D'Amico, V.: Validation of intensity attenuation relationships, B. Seismol. Soc. Am., 95, 719–724, https://doi.org/10.1785/0120040062, 2005. 
Albarello, D. and Mucciarelli, M.: Seismic hazard estimates from ill-defined macroseismic data at a site, Pure Appl. Geophys., 159, 1289–1304, https://doi.org/10.1007/s00024-002-8682-2, 2002. 
Albarello, D., Camassi, R., and Rebez, A.: Detection of space and time heterogeneity in the completeness of a seismic catalog by a statistical approach: An Application to the Italian Area, B. Seismol. Soc. Am., 91, 1694–1703, https://doi.org/10.1785/0120000058, 2001. 
Albarello, D., D'Amico, V., Gasperini, P., Pettenati, F., Rotondi, R., and Zonno G.: Nuova formulazione delle procedure per la stima dell'intensità macrosismica da dati epicentrali o da risentimenti in zone vicine, Progetto DPC-INGV S1, available at: http://esse1.mi.ingv.it/d10.html (last access: 12 April 2021), 2007. 
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We present a probabilistic approach for integrating incomplete intensity distributions by means of the Bayesian combination of estimates provided by intensity prediction equations (IPEs) and data documented at nearby localities, accounting for the relevant uncertainties. The performance of the proposed methodology is tested at 28 Italian localities with long and rich seismic histories and for the strong 1980 and 2009 earthquakes in Italy. An application of this approach is also illustrated.
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