* Zone 1: the most dangerous area, where major earthquakes may occur.
Zone 2: municipalities in this area may be affected by quite strong earthquakes.
Zone 3: municipalities in this area may be subject to modest shocks.
Zone 4: the least dangerous. Municipalities of this area have a low probability of seismic damages.
The figure shows the seismic classification of Italian regions in 2015, by seismic category of municipalities. According to data, Aosta Valley was the region with the highest number of municipalities classified in the Zones *, meaning these zones were affected by major earthquakes.
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Presidenza del Consiglio dei Ministri. (March 31, 2015). Seismic classification of Italian regions in 2015, by seismic category of municipalities* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/625238/seismic-classification-of-italian-regions/
Presidenza del Consiglio dei Ministri. "Seismic classification of Italian regions in 2015, by seismic category of municipalities* ." Chart. March 31, 2015. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/625238/seismic-classification-of-italian-regions/
Presidenza del Consiglio dei Ministri. (2015). Seismic classification of Italian regions in 2015, by seismic category of municipalities* . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/625238/seismic-classification-of-italian-regions/
Presidenza del Consiglio dei Ministri. "Seismic Classification of Italian Regions in 2015, by Seismic Category of Municipalities* ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Mar 2015, /statistics/625238/seismic-classification-of-italian-regions/
Presidenza del Consiglio dei Ministri, Seismic classification of Italian regions in 2015, by seismic category of municipalities* ÌÇÐÄÆƽâ°æ, /statistics/625238/seismic-classification-of-italian-regions/ (last visited July 26, 2026)
Seismic classification of Italian regions in 2015, by seismic category of municipalities* [Graph], Presidenza del Consiglio dei Ministri, March 31, 2015. [Online]. Available: /statistics/625238/seismic-classification-of-italian-regions/
