Buying a home in Castello di Annone
1,809 residents at the 2021 census, 1,502 buildings and 23.2 km² of territory, Piemonte.
Castello di Annone is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 2.5% of the territory of Castello di Annone has high or very high landslide hazard (P3 and P4), with 0.6% of the residents. 18.9% of the territory of Castello di Annone is in the flood area of the medium-probability scenario (P2), with 6% of the residents.
Find your address in Castello di Annone
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Castello di Annone compared
| ISPRA indicator | Castello di Annone | AT | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.8% | 2.3% | 3.1% |
| Landslide, high hazard (P3) | 1.7% | 4.2% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.6% | 1.5% | 1.8% |
| Buildings in landslide areas P3-P4 | 0% | 2% | 4.4% |
| Flood, high probability (P3) | 18.9% | 6.2% | 5.1% |
| Flood, medium probability (P2) | 18.9% | 7.7% | 8.3% |
| Flood, low probability (P1) | 20.9% | 11% | 13% |
| Residents in P2 flood areas | 6% | 2.3% | 4.9% |
| Buildings in P2 flood areas | 6.2% | 2.6% | 5.8% |
Questions
Which seismic zone is Castello di Annone in?
Castello di Annone is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Castello di Annone is in landslide class P3/P4?
According to ISPRA’s mosaic, 2.5% of the territory of Castello di Annone has high or very high landslide hazard (P3 and P4), with 0.6% of the residents. By share of territory with landslide hazard P3-P4, Castello di Annone ranks 86th of 117 municipalities in the province of Asti.
How much of Castello di Annone is in flood scenario P2?
18.9% of the territory of Castello di Annone is in the flood area of the medium-probability scenario (P2), with 6% of the residents. By share of territory in the P2 flood area, Castello di Annone ranks 8th of 117 municipalities in the province of Asti.
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 |
|---|---|---|---|
| Cerro Tanaro | 4 | 0.1% | 28.9% |
| Refrancore | 4 | 0.3% | 0.1% |
| Rocchetta Tanaro | 4 | 3.7% | 24.5% |
| Rocca d’Arazzo | 4 | 1% | 21.7% |
| Quattordio | 4 | 0% | 2% |
| Azzano d’Asti | 4 | 3.5% | 50.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on