Buying a home in San Marzano Oliveto
989 residents at the 2021 census, 687 buildings and 9.7 km² of territory, Piemonte.
San Marzano Oliveto is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 10.9% of the territory of San Marzano Oliveto has high or very high landslide hazard (P3 and P4), with 6.5% of the residents. 3.9% of the territory of San Marzano Oliveto is in the flood area of the medium-probability scenario (P2), with 2.2% of the residents.
Find your address in San Marzano Oliveto
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San Marzano Oliveto compared
| ISPRA indicator | San Marzano Oliveto | AT | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 10.9% | 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 | 6.5% | 1.5% | 1.8% |
| Buildings in landslide areas P3-P4 | 4.2% | 2% | 4.4% |
| Flood, high probability (P3) | 2.9% | 6.2% | 5.1% |
| Flood, medium probability (P2) | 3.9% | 7.7% | 8.3% |
| Flood, low probability (P1) | 6.1% | 11% | 13% |
| Residents in P2 flood areas | 2.2% | 2.3% | 4.9% |
| Buildings in P2 flood areas | 1.9% | 2.6% | 5.8% |
Questions
Which seismic zone is San Marzano Oliveto in?
San Marzano Oliveto is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of San Marzano Oliveto is in landslide class P3/P4?
According to ISPRA’s mosaic, 10.9% of the territory of San Marzano Oliveto has high or very high landslide hazard (P3 and P4), with 6.5% of the residents. By share of territory with landslide hazard P3-P4, San Marzano Oliveto ranks 23rd of 117 municipalities in the province of Asti.
How much of San Marzano Oliveto is in flood scenario P2?
3.9% of the territory of San Marzano Oliveto is in the flood area of the medium-probability scenario (P2), with 2.2% of the residents. By share of territory in the P2 flood area, San Marzano Oliveto ranks 66th 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 |
|---|---|---|---|
| Moasca | 4 | 12.4% | 4.5% |
| Castelnuovo Calcea | 4 | 3.7% | 6.1% |
| Canelli | 4 | 11.4% | 7% |
| Calamandrana | 4 | 20.3% | 10.8% |
| Nizza Monferrato | 4 | 5.2% | 6.9% |
| Calosso | 4 | 9.3% | 1.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on