Articles | Volume 10, issue 3
Solid Earth, 10, 931–949, 2019
https://doi.org/10.5194/se-10-931-2019
Solid Earth, 10, 931–949, 2019
https://doi.org/10.5194/se-10-931-2019

Research article 25 Jun 2019

Research article | 25 Jun 2019

ER3D: a structural and geophysical 3-D model of central Emilia-Romagna (northern Italy) for numerical simulation of earthquake ground motion

Peter Klin et al.

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Cited articles

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Barani, S., Albarello, D., Massa, M., and Spallarossa, D.: Influence of twenty years of research on ground-motion prediction equations on probabilistic seismic hazard in Italy, B. Seismol. Soc. Am., 107, 240–255, https://doi.org/10.1785/0120150276, 2017a. a
Barani, S., Albarello, D., Spallarossa, D., and Massa, M.: Empirical scoring of ground motion prediction equations for probabilistic seismic hazard analysis in Italy including site effects, Bull. Earth. Eng., 15, 2547–2570, https://doi.org/10.1007/s10518-016-0040-3, 2017b. a
Barnaba, C., Laurenzano, G., Moratto, L., Sugan, M., Vuan, A., Priolo, E., Romanelli, M., and Di Bartolomeo, P.: Strong-motion observations from the OGS temporary seismic network during the 2012 Emilia sequence in northern Italy, Bull. Earth. Eng., 12, 2165–2178, https://doi.org/10.1007/s10518-014-9610-4, 2014. a
Boccaletti, M., Coli, M., Eva, C., anf G. Giglia, G. F., Lazzarotto, A., Merlanti, F., Nicolich, R., Papani, G., and Postpischl, D.: Considerations on the seismotectonics of the Northern Apennines, Tectonophysics, 117, 7–38, 1985. a, b
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Using geological and geophysical data, we set up a 3-D digital description of the underground structure in the central part of the Po alluvial plain. By means of computer-simulated propagation of seismic waves, we were able to identify the structural features that caused the unexpected elongation and amplification of the earthquake ground motion that was observed in the area during the 2012 seismic crisis. The study permits a deeper understanding of the seismic hazard in alluvial basins.