Buying a home in Lerma
801 residents at the 2021 census, 1,009 buildings and 14.5 km² of territory, Piemonte.
Lerma is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 11.7% of the territory of Lerma has high or very high landslide hazard (P3 and P4), with 2.2% of the residents. 6.1% of the territory of Lerma is in the flood area of the medium-probability scenario (P2), with 1.8% of the residents.
Find your address in Lerma
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Lerma compared
| ISPRA indicator | Lerma | AL | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.8% | 2.7% | 3.1% |
| Landslide, high hazard (P3) | 11% | 3.9% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 2.2% | 1.1% | 1.8% |
| Buildings in landslide areas P3-P4 | 1.5% | 3.8% | 4.4% |
| Flood, high probability (P3) | 6.1% | 9.2% | 5.1% |
| Flood, medium probability (P2) | 6.1% | 11.9% | 8.3% |
| Flood, low probability (P1) | 6.1% | 19.5% | 13% |
| Residents in P2 flood areas | 1.8% | 3.2% | 4.9% |
| Buildings in P2 flood areas | 2.5% | 4% | 5.8% |
Questions
Which seismic zone is Lerma in?
Lerma is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Lerma is in landslide class P3/P4?
According to ISPRA’s mosaic, 11.7% of the territory of Lerma has high or very high landslide hazard (P3 and P4), with 2.2% of the residents. By share of territory with landslide hazard P3-P4, Lerma ranks 34th of 187 municipalities in the province of Alessandria.
How much of Lerma is in flood scenario P2?
6.1% of the territory of Lerma is in the flood area of the medium-probability scenario (P2), with 1.8% of the residents. By share of territory in the P2 flood area, Lerma ranks 95th of 187 municipalities in the province of Alessandria.
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 |
|---|---|---|---|
| Casaleggio Boiro | 3 | 15.8% | 1.8% |
| Tagliolo Monferrato | 3 | 15.3% | 0.3% |
| Mornese | 3 | 1.7% | 0.2% |
| Belforte Monferrato | 3 | 1.8% | 4.1% |
| Bosio | 3 | 11.3% | 1.3% |
| Montaldeo | 3 | 1.9% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on