Buying a home in San Martino Alfieri
660 residents at the 2021 census, 628 buildings and 7.2 km² of territory, Piemonte.
San Martino Alfieri is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 8.3% of the territory of San Martino Alfieri has high or very high landslide hazard (P3 and P4), with 1.1% of the residents. 6.6% of the territory of San Martino Alfieri is in the flood area of the medium-probability scenario (P2), with 0.8% of the residents.
Find your address in San Martino Alfieri
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San Martino Alfieri compared
| ISPRA indicator | San Martino Alfieri | AT | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 8.3% | 2.3% | 3.1% |
| Landslide, high hazard (P3) | 0% | 4.2% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.1% | 1.5% | 1.8% |
| Buildings in landslide areas P3-P4 | 0.2% | 2% | 4.4% |
| Flood, high probability (P3) | 6.6% | 6.2% | 5.1% |
| Flood, medium probability (P2) | 6.6% | 7.7% | 8.3% |
| Flood, low probability (P1) | 7.6% | 11% | 13% |
| Residents in P2 flood areas | 0.8% | 2.3% | 4.9% |
| Buildings in P2 flood areas | 1.1% | 2.6% | 5.8% |
Questions
Which seismic zone is San Martino Alfieri in?
San Martino Alfieri is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of San Martino Alfieri is in landslide class P3/P4?
According to ISPRA’s mosaic, 8.3% of the territory of San Martino Alfieri has high or very high landslide hazard (P3 and P4), with 1.1% of the residents. By share of territory with landslide hazard P3-P4, San Martino Alfieri ranks 31st of 117 municipalities in the province of Asti.
How much of San Martino Alfieri is in flood scenario P2?
6.6% of the territory of San Martino Alfieri is in the flood area of the medium-probability scenario (P2), with 0.8% of the residents. By share of territory in the P2 flood area, San Martino Alfieri ranks 47th 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 |
|---|---|---|---|
| Antignano | 4 | 2.4% | 18.6% |
| Govone | 4 | 6.7% | 22% |
| Celle Enomondo | 4 | 4.6% | 19.1% |
| Isola d’Asti | 4 | 3.9% | 18.8% |
| Priocca | 4 | 6.5% | 2.1% |
| Revigliasco d’Asti | 4 | 4.5% | 29.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on