Buying a home in Castelmezzano
727 residents at the 2021 census, 585 buildings and 33.9 km² of territory, Basilicata.
Castelmezzano is in seismic zone 2 (the region uses the sub-zones 2b): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 20.5% of the territory of Castelmezzano has high or very high landslide hazard (P3 and P4), with 16.8% of the residents. 0.3% of the territory of Castelmezzano is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Castelmezzano
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Castelmezzano compared
| ISPRA indicator | Castelmezzano | PZ | Basilicata |
|---|---|---|---|
| Landslide, very high hazard (P4) | 15% | 3.4% | 2.7% |
| Landslide, high hazard (P3) | 5.5% | 3.8% | 3.4% |
| Landslide, areas of attention | 0% | 9% | 5.9% |
| Residents in landslide areas P3-P4 | 16.8% | 8.4% | 7% |
| Buildings in landslide areas P3-P4 | 17.1% | 8.5% | 7.3% |
| Flood, high probability (P3) | 0.2% | 1.2% | 2.6% |
| Flood, medium probability (P2) | 0.3% | 1.7% | 3.5% |
| Flood, low probability (P1) | 0.3% | 1.8% | 3.8% |
| Residents in P2 flood areas | 0% | 0.6% | 1.1% |
| Buildings in P2 flood areas | 0.2% | 0.7% | 1.4% |
Questions
Which seismic zone is Castelmezzano in?
Castelmezzano is in seismic zone 2 (the region uses the sub-zones 2b): in this zone strong earthquakes are possible.
How much of Castelmezzano is in landslide class P3/P4?
According to ISPRA’s mosaic, 20.5% of the territory of Castelmezzano has high or very high landslide hazard (P3 and P4), with 16.8% of the residents. By share of territory with landslide hazard P3-P4, Castelmezzano ranks 6th of 100 municipalities in the province of Potenza.
How much of Castelmezzano is in flood scenario P2?
0.3% of the territory of Castelmezzano is in the flood area of the medium-probability scenario (P2), with 0% of the residents. By share of territory in the P2 flood area, Castelmezzano ranks 55th of 100 municipalities in the province of Potenza.
Guides: seismic zone · landslides and floods · what to check before an offer. OMI prices: GEOPOI (how to read them).
Nearby municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Trivigno | 2b | 12.2% | 0.8% |
| Pietrapertosa | 2c | 18.1% | 0.2% |
| Campomaggiore | 2b | 19.3% | 2.4% |
| Anzi | 2b | 16.9% | 0% |
| Albano di Lucania | 2b | 17.1% | 1.3% |
| Laurenzana | 2b | 4.9% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on