Buying a home in Ornavasso
3,354 residents at the 2021 census, 2,928 buildings and 25.9 km² of territory, Piemonte.
Ornavasso is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 5.9% of the territory of Ornavasso has high or very high landslide hazard (P3 and P4), with 37.5% of the residents. 19.3% of the territory of Ornavasso is in the flood area of the medium-probability scenario (P2), with 71.4% of the residents.
Find your address in Ornavasso
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Ornavasso compared
| ISPRA indicator | Ornavasso | VB | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.2% | 3.8% | 3.1% |
| Landslide, high hazard (P3) | 4.8% | 2.8% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 37.5% | 14.9% | 1.8% |
| Buildings in landslide areas P3-P4 | 35.4% | 11.6% | 4.4% |
| Flood, high probability (P3) | 9.7% | 5.2% | 5.1% |
| Flood, medium probability (P2) | 19.3% | 6.9% | 8.3% |
| Flood, low probability (P1) | 21.2% | 8.5% | 13% |
| Residents in P2 flood areas | 71.4% | 15.3% | 4.9% |
| Buildings in P2 flood areas | 60.4% | 12.7% | 5.8% |
Questions
Which seismic zone is Ornavasso in?
Ornavasso is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Ornavasso is in landslide class P3/P4?
According to ISPRA’s mosaic, 5.9% of the territory of Ornavasso has high or very high landslide hazard (P3 and P4), with 37.5% of the residents. By share of territory with landslide hazard P3-P4, Ornavasso ranks 20th of 74 municipalities in the province of Verbano-Cusio-Ossola.
How much of Ornavasso is in flood scenario P2?
19.3% of the territory of Ornavasso is in the flood area of the medium-probability scenario (P2), with 71.4% of the residents. By share of territory in the P2 flood area, Ornavasso ranks 12th of 74 municipalities in the province of Verbano-Cusio-Ossola.
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 |
|---|---|---|---|
| Mergozzo | 4 | 3.3% | 23.3% |
| Anzola d’Ossola | 4 | 2.2% | 10.1% |
| Casale Corte Cerro | 4 | 7.3% | 6.1% |
| Loreglia | 4 | 2.8% | 0% |
| Gravellona Toce | 4 | 5.6% | 14% |
| Premosello-Chiovenda | 4 | 3% | 14.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on