Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 3
Articles | Volume 26, issue 3
https://doi.org/10.5194/nhess-26-1105-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-1105-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 3
Research article
 | 
04 Mar 2026
Research article |  | 04 Mar 2026

A thorough review of the 5 May 1990 Potenza (Southern Italy) earthquake: constraints from macroseismology and insights from hydrology

Andrea Antonucci, Corrado Castellano, Luigi Cucci, and Andrea Tertulliani

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Cited articles

Alessio, G., Esposito, E., Gorini, A., and Porfido, S.: Detailed study of the Potentino seismic zone in the Southern Apennines, Italy, Tectonophysics, 250, 113–134, 1995. 
Allen, T. I., Wald, D. J., and Worden, C. B.: Intensity attenuation for active crustal regions, J. Seismol., 16, 409–433, https://doi.org/10.1007/s10950-012-9278-7, 2012. 
Antonucci, A., Augliera, P., Locati, M., and Rovida, A.: Impact of the intensity assessment on the macroseismic parameters of earthquakes in Italy, Geophys. J. Int., 242, 1–11, https://doi.org/10.1093/gji/ggaf224, 2025. 
Azzara, R., Basili, A., Beranzoli, L., Chiarabba, C., Di Giovambattista, R., and Selvaggi, G.: The seismic sequence of Potenza (May 1990), Ann. Geofis., 36, 237–243, 1993. 
Bakun, W. H. and Scotti, O.: Regional intensity attenuation models for France and the estimation of magnitude and location of historical earthquakes, Geophys. J. Int., 164, 596–610, https://doi.org/10.1111/j.1365-246X.2005.02808.x, 2006. 
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We present a revised and comprehensive macroseismic dataset of the 5 May 1990 earthquake that occurred in southern Italy (Mw 5.77). By re-evaluating all sources, we compiled a new dataset of 1393 macroseismic data points. This revised dataset shows a general decrease in higher intensity values compared to previous assessments. Additionally, we collect extensive observations of seismically-induced hydrological changes.
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