Buying a home in Postua
561 residents at the 2021 census, 1,019 buildings and 16.2 km² of territory, Piemonte.
Postua is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 0.4% of the territory of Postua has high or very high landslide hazard (P3 and P4), with 0% of the residents. 2.9% of the territory of Postua is in the flood area of the medium-probability scenario (P2), with 22.1% of the residents.
Find your address in Postua
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Postua compared
| ISPRA indicator | Postua | VC | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.2% | 1.4% | 3.1% |
| Landslide, high hazard (P3) | 0.2% | 0.8% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 1.2% | 1.8% |
| Buildings in landslide areas P3-P4 | 0.3% | 2% | 4.4% |
| Flood, high probability (P3) | 2.5% | 4.6% | 5.1% |
| Flood, medium probability (P2) | 2.9% | 8.1% | 8.3% |
| Flood, low probability (P1) | 3.9% | 17.2% | 13% |
| Residents in P2 flood areas | 22.1% | 4.3% | 4.9% |
| Buildings in P2 flood areas | 22.9% | 5.2% | 5.8% |
Questions
Which seismic zone is Postua in?
Postua is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Postua is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.4% of the territory of Postua has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Postua ranks 24th of 82 municipalities in the province of Vercelli.
How much of Postua is in flood scenario P2?
2.9% of the territory of Postua is in the flood area of the medium-probability scenario (P2), with 22.1% of the residents. By share of territory in the P2 flood area, Postua ranks 52nd of 82 municipalities in the province of Vercelli.
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 |
|---|---|---|---|
| Guardabosone | 4 | 0.5% | 5.4% |
| Ailoche | 4 | 1.3% | 0.5% |
| Caprile | 4 | 1.2% | 0% |
| Crevacuore | 4 | 0.3% | 8.9% |
| Borgosesia | 4 | 2% | 8% |
| Coggiola | 4 | 0.8% | 0.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on