Buying a home in Cogne
1,315 residents at the 2021 census, 1,107 buildings and 213 km² of territory, Valle d’Aosta/Vallée d’Aoste.
Cogne is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 89.2% of the territory of Cogne has high or very high landslide hazard (P3 and P4), with 15.4% of the residents. 4.4% of the territory of Cogne is in the flood area of the medium-probability scenario (P2), with 11.6% of the residents.
Find your address in Cogne
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Cogne compared
| ISPRA indicator | Cogne | AO | Valle d'Aosta/Vallée d'Aoste |
|---|---|---|---|
| Landslide, very high hazard (P4) | 64.8% | 48.9% | 48.9% |
| Landslide, high hazard (P3) | 24.4% | 34.8% | 34.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 15.4% | 10.9% | 10.9% |
| Buildings in landslide areas P3-P4 | 27.6% | 22.6% | 22.6% |
| Flood, high probability (P3) | 4.1% | 5% | 5% |
| Flood, medium probability (P2) | 4.4% | 7.3% | 7.3% |
| Flood, low probability (P1) | 4.7% | 9.2% | 9.2% |
| Residents in P2 flood areas | 11.6% | 9.1% | 9.1% |
| Buildings in P2 flood areas | 12.1% | 11.1% | 11.1% |
Questions
Which seismic zone is Cogne in?
Cogne is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Cogne is in landslide class P3/P4?
According to ISPRA’s mosaic, 89.2% of the territory of Cogne has high or very high landslide hazard (P3 and P4), with 15.4% of the residents. By share of territory with landslide hazard P3-P4, Cogne ranks 21st of 74 municipalities in the province of Valle d’Aosta.
How much of Cogne is in flood scenario P2?
4.4% of the territory of Cogne is in the flood area of the medium-probability scenario (P2), with 11.6% of the residents. By share of territory in the P2 flood area, Cogne ranks 62nd 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 |
|---|---|---|---|
| Charvensod | 3 | 68.7% | 4.9% |
| Saint-Marcel | 3 | 90.9% | 9.8% |
| Aymavilles | 3 | 86.1% | 10.5% |
| Brissogne | 3 | 68.5% | 5.4% |
| Gressan | 3 | 45.4% | 15% |
| Valprato Soana | 3 | 8.6% | 1.2% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on