Buying a home in Ayas
1,359 residents at the 2021 census, 2,032 buildings and 129.4 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Ayas is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 83.3% of the territory of Ayas has high or very high landslide hazard (P3 and P4), with 10.4% of the residents. 5.5% of the territory of Ayas is in the flood area of the medium-probability scenario (P2), with 14.1% of the residents.
Find your address in Ayas
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Ayas compared
| ISPRA indicator | Ayas | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 46.5% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 36.8% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 10.4% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 16.1% | 22.6% | 22.6% |
| Flood, high probability (P3) | 4.6% | 5% | 5% |
| Flood, medium probability (P2) | 5.5% | 7.3% | 7.3% |
| Flood, low probability (P1) | 6.6% | 9.2% | 9.2% |
| Residents in P2 flood areas | 14.1% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 14.9% | 11.1% | 11.1% |
Questions
Which seismic zone is Ayas in?
Ayas is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Ayas is in landslide class P3/P4?
According to ISPRA’s mosaic, 83.3% of the territory of Ayas has high or very high landslide hazard (P3 and P4), with 10.4% of the residents. By share of territory with landslide hazard P3-P4, Ayas ranks 35th of 74 municipalities in the province of Valle d’Aosta.
How much of Ayas is in flood scenario P2?
5.5% of the territory of Ayas is in the flood area of the medium-probability scenario (P2), with 14.1% of the residents. By share of territory in the P2 flood area, Ayas ranks 43rd of 74 municipalities in the province of Valle d’Aosta.
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 |
|---|---|---|---|
| Chamois | 3 | 68.3% | 4.7% |
| Gressoney-La-Trinité | 3 | 87.5% | 4.1% |
| Valtournenche | 3 | 73.8% | 4.6% |
| La Magdeleine | 3 | 93.8% | 6.2% |
| Antey-Saint-André | 3 | 63% | 14% |
| Brusson | 3 | 84.3% | 12.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on