Buying a home in Vallerano
2,442 residents at the 2021 census, 947 buildings and 15.4 km² of territory, Lazio.
Vallerano is in seismic zone 3 (the region uses the sub-zones 3A): in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 0.1% of the territory of Vallerano has high or very high landslide hazard (P3 and P4), with 2.7% of the residents. 0% of the territory of Vallerano is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Vallerano
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Vallerano compared
| ISPRA indicator | Vallerano | VT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 0.9% | 4.3% |
| Landslide, high hazard (P3) | 0% | 2.7% | 1.2% |
| Landslide, areas of attention | 0% | 1.9% | 8.3% |
| Residents in landslide areas P3-P4 | 2.7% | 4.5% | 1.5% |
| Buildings in landslide areas P3-P4 | 3.1% | 4.1% | 3.2% |
| Flood, high probability (P3) | 0% | 2.4% | 2.6% |
| Flood, medium probability (P2) | 0% | 3% | 3.5% |
| Flood, low probability (P1) | 0% | 3.4% | 5.7% |
| Residents in P2 flood areas | 0% | 1% | 3.2% |
| Buildings in P2 flood areas | 0% | 1.7% | 3.4% |
Questions
Which seismic zone is Vallerano in?
Vallerano is in seismic zone 3 (the region uses the sub-zones 3A): in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Vallerano is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.1% of the territory of Vallerano has high or very high landslide hazard (P3 and P4), with 2.7% of the residents. By share of territory with landslide hazard P3-P4, Vallerano ranks 52nd of 60 municipalities in the province of Viterbo.
How much of Vallerano is in flood scenario P2?
0% of the territory of Vallerano is in the flood area of the medium-probability scenario (P2), with 0% of the residents. In the province of Viterbo, 38 of 60 municipalities have no territory in the P2 flood area.
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 |
|---|---|---|---|
| Canepina | 3A | 0% | 0% |
| Vignanello | 3A | 0.1% | 0% |
| Carbognano | 3A | 20% | 0% |
| Caprarola | 3A | 0.1% | 0% |
| Soriano nel Cimino | 2B | 4% | 0% |
| Fabrica di Roma | 3A | 5% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on