Buying a home in Castelgrande
825 residents at the 2021 census, 805 buildings and 34.9 km² of territory, Basilicata.
Castelgrande is in seismic zone 1 (the region uses the sub-zones 1a): the most hazardous zone: the probability of a strong earthquake is high. According to ISPRA’s mosaic, 5% of the territory of Castelgrande has high or very high landslide hazard (P3 and P4), with 6.3% of the residents. 0% of the territory of Castelgrande is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Castelgrande
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Castelgrande compared
| ISPRA indicator | Castelgrande | PZ | Basilicata |
|---|---|---|---|
| Landslide, very high hazard (P4) | 2.2% | 3.4% | 2.7% |
| Landslide, high hazard (P3) | 2.8% | 3.8% | 3.4% |
| Landslide, areas of attention | 60.7% | 9% | 5.9% |
| Residents in landslide areas P3-P4 | 6.3% | 8.4% | 7% |
| Buildings in landslide areas P3-P4 | 6.8% | 8.5% | 7.3% |
| Flood, high probability (P3) | 0% | 1.2% | 2.6% |
| Flood, medium probability (P2) | 0% | 1.7% | 3.5% |
| Flood, low probability (P1) | 0% | 1.8% | 3.8% |
| Residents in P2 flood areas | 0% | 0.6% | 1.1% |
| Buildings in P2 flood areas | 0% | 0.7% | 1.4% |
Questions
Which seismic zone is Castelgrande in?
Castelgrande is in seismic zone 1 (the region uses the sub-zones 1a): the most hazardous zone: the probability of a strong earthquake is high.
How much of Castelgrande is in landslide class P3/P4?
According to ISPRA’s mosaic, 5% of the territory of Castelgrande has high or very high landslide hazard (P3 and P4), with 6.3% of the residents. By share of territory with landslide hazard P3-P4, Castelgrande ranks 56th of 100 municipalities in the province of Potenza.
How much of Castelgrande is in flood scenario P2?
0% of the territory of Castelgrande is in the flood area of the medium-probability scenario (P2), with 0% of the residents. In the province of Potenza, 37 of 100 municipalities have no territory in the P2 flood area.
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 |
|---|---|---|---|
| Pescopagano | 1a | 11.2% | 1.8% |
| Muro Lucano | 1a | 5.2% | 0% |
| Santomenna | 1 | 27.2% | 0% |
| Sant’Andrea di Conza | 1 | 12.9% | 0% |
| Rapone | 1b | 5.7% | 2.6% |
| Laviano | 1 | 17.7% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on