Buying a home in Alagna Valsesia
730 residents at the 2021 census, 1,773 buildings and 133.2 km² of territory, Piemonte.
Alagna Valsesia is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 7.6% of the territory of Alagna Valsesia has high or very high landslide hazard (P3 and P4), with 20% of the residents. 2.6% of the territory of Alagna Valsesia is in the flood area of the medium-probability scenario (P2), with 16.8% of the residents.
Find your address in Alagna Valsesia
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Alagna Valsesia compared
| ISPRA indicator | Alagna Valsesia | VC | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 2.5% | 1.4% | 3.1% |
| Landslide, high hazard (P3) | 5.1% | 0.8% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 20% | 1.2% | 1.8% |
| Buildings in landslide areas P3-P4 | 13.8% | 2% | 4.4% |
| Flood, high probability (P3) | 1.9% | 4.6% | 5.1% |
| Flood, medium probability (P2) | 2.6% | 8.1% | 8.3% |
| Flood, low probability (P1) | 3.1% | 17.2% | 13% |
| Residents in P2 flood areas | 16.8% | 4.3% | 4.9% |
| Buildings in P2 flood areas | 14.2% | 5.2% | 5.8% |
Questions
Which seismic zone is Alagna Valsesia in?
Alagna Valsesia is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Alagna Valsesia is in landslide class P3/P4?
According to ISPRA’s mosaic, 7.6% of the territory of Alagna Valsesia has high or very high landslide hazard (P3 and P4), with 20% of the residents. By share of territory with landslide hazard P3-P4, Alagna Valsesia ranks 7th of 82 municipalities in the province of Vercelli.
How much of Alagna Valsesia is in flood scenario P2?
2.6% of the territory of Alagna Valsesia is in the flood area of the medium-probability scenario (P2), with 16.8% of the residents. By share of territory in the P2 flood area, Alagna Valsesia ranks 53rd of 82 municipalities in the province of Vercelli.
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 |
|---|---|---|---|
| Mollia | 4 | 6.3% | 2.5% |
| Campertogno | 4 | 8.1% | 3.5% |
| Gressoney-Saint-Jean | 3 | 91.8% | 6.9% |
| Gressoney-La-Trinité | 3 | 87.5% | 4.1% |
| Alto Sermenza | 4 | 7.4% | 1.9% |
| Rassa | 4 | 6.3% | 1.7% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on