Buying a home in Donnas
2,389 residents at the 2021 census, 1,246 buildings and 34 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Donnas is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 71.3% of the territory of Donnas has high or very high landslide hazard (P3 and P4), with 20.9% of the residents. 10.1% of the territory of Donnas is in the flood area of the medium-probability scenario (P2), with 49.6% of the residents.
Find your address in Donnas
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Donnas compared
| ISPRA indicator | Donnas | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 37% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 34.3% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 20.9% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 43.1% | 22.6% | 22.6% |
| Flood, high probability (P3) | 4.3% | 5% | 5% |
| Flood, medium probability (P2) | 10.1% | 7.3% | 7.3% |
| Flood, low probability (P1) | 12.2% | 9.2% | 9.2% |
| Residents in P2 flood areas | 49.6% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 45% | 11.1% | 11.1% |
Questions
Which seismic zone is Donnas in?
Donnas is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Donnas is in landslide class P3/P4?
According to ISPRA’s mosaic, 71.3% of the territory of Donnas has high or very high landslide hazard (P3 and P4), with 20.9% of the residents. By share of territory with landslide hazard P3-P4, Donnas ranks 49th of 74 municipalities in the province of Valle d’Aosta.
How much of Donnas is in flood scenario P2?
10.1% of the territory of Donnas is in the flood area of the medium-probability scenario (P2), with 49.6% of the residents. By share of territory in the P2 flood area, Donnas ranks 17th 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 |
|---|---|---|---|
| Bard | 3 | 82% | 10.9% |
| Hône | 3 | 74.4% | 14.5% |
| Quincinetto | 3 | 31.4% | 11.7% |
| Pontboset | 3 | 98.6% | 8% |
| Pont-Saint-Martin | 3 | 62.2% | 6.6% |
| Arnad | 3 | 89.3% | 11.7% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on