Local seismic response in the historical centre of Nafplio (Greece) as a tool for seismic risk management

Matteo Fiorucci, Salvatore Martino (), Benedetta Antonielli, Vasiliki Betty Charalampopoulou, Paolo Ciampi, Yawar Hussain, Roberto Iannucci, Daniele Inciocchi, Vassilis Karastathis, Charilaos Maniatakis, Eirini Marinou, Aggelos Mouzakiotis, Stefano Rivellino, Charalampos Saroglou, Athina Tsirogianni and Francesca Bozzano
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Matteo Fiorucci: University of Cassino and Southern Lazio
Salvatore Martino: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Benedetta Antonielli: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Vasiliki Betty Charalampopoulou: Geosystems Hellas It Kai Efarmoges Geopliroforiakon Systimaton Anonimietaireia, Geosystems Hellas AE (GSH)
Paolo Ciampi: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Yawar Hussain: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Roberto Iannucci: ANSFISA National Agency for the Safety of Railways and Road and Motorway Infrastructures
Daniele Inciocchi: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Vassilis Karastathis: Geodynamic Institute of Athens
Charilaos Maniatakis: National Technical University of Athens
Eirini Marinou: Geosystems Hellas It Kai Efarmoges Geopliroforiakon Systimaton Anonimietaireia, Geosystems Hellas AE (GSH)
Aggelos Mouzakiotis: Geodynamic Institute of Athens
Stefano Rivellino: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome
Charalampos Saroglou: National Technical University of Athens
Athina Tsirogianni: National Technical University of Athens
Francesca Bozzano: Department of Earth Sciences and CERI Research Centre for Geological Risks, Sapienza University of Rome

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2025, vol. 121, issue 13, No 21, 15611 pages

Abstract: Abstract Analysis of local seismic response is a crucial tool for assessing site-specific seismic hazards, particularly in urban areas of cultural and historical significance. However, these analyses often overlook the complexities of near-surface geological and topographical conditions, especially in regions with medium to high seismic activity. This study, funded by the H2020RISE-Marie Curie Action in the framework of the STABLE (STructural stABiLity risk assEssment) project, focuses on the local seismic response of Nafplio (Greece), an urban area rich in cultural heritage. By adopting an integrated methodology, we aim to enhance the understanding of seismic risk in complex subsoil environments. The approach involves: (i) constructing a 3D geological model of the area’s subsoil setting, including it in an engineering geological modelling; (ii) estimating the resonance frequency of the soft soils using ambient seismic noise measurements and earthquake-based geophysical techniques; (iii) generating response spectra for three return periods of 50, 475, and 2000 years using both 1D and 2D numerical modelling approaches. A strict integration of engineering geological, geophysical and numerical modelling results provided a more robust framework for evaluating local seismic amplification in a geologically complex urban contest, where both stratigraphic and topographic effects can be expected to act in modifying the seismic shaking scenario, so offering a valuable example of a work frame adapt to manage risk mitigation in a increasing resilience perspective for high seismicity urban areas.

Keywords: Local seismic response; Engineering geological model; Geophysical investigations; Seismic numerical modelling; 3D geological reconstruction (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s11069-025-07403-z

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