Buying a home in Oltressenda Alta
144 residents at the 2021 census, 246 buildings and 17.3 km² of territory, Lombardia.
Oltressenda Alta is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 29% of the territory of Oltressenda Alta has high or very high landslide hazard (P3 and P4), with 20.1% of the residents. 6% of the territory of Oltressenda Alta is in the flood area of the medium-probability scenario (P2), with 4.6% of the residents.
Find your address in Oltressenda Alta
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Oltressenda Alta compared
| ISPRA indicator | Oltressenda Alta | BG | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 25.2% | 9.1% | 3.7% |
| Landslide, high hazard (P3) | 3.8% | 3.5% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 20.1% | 0.8% | 0.4% |
| Buildings in landslide areas P3-P4 | 12.2% | 1.8% | 1.1% |
| Flood, high probability (P3) | 5.5% | 4.3% | 7.9% |
| Flood, medium probability (P2) | 6% | 5.6% | 10.2% |
| Flood, low probability (P1) | 6% | 7.7% | 20.3% |
| Residents in P2 flood areas | 4.6% | 4.7% | 4.4% |
| Buildings in P2 flood areas | 5.3% | 4.9% | 4.7% |
Questions
Which seismic zone is Oltressenda Alta in?
Oltressenda Alta is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Oltressenda Alta is in landslide class P3/P4?
According to ISPRA’s mosaic, 29% of the territory of Oltressenda Alta has high or very high landslide hazard (P3 and P4), with 20.1% of the residents. By share of territory with landslide hazard P3-P4, Oltressenda Alta ranks 14th of 243 municipalities in the province of Bergamo.
How much of Oltressenda Alta is in flood scenario P2?
6% of the territory of Oltressenda Alta is in the flood area of the medium-probability scenario (P2), with 4.6% of the residents. By share of territory in the P2 flood area, Oltressenda Alta ranks 72nd of 243 municipalities in the province of Bergamo.
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 |
|---|---|---|---|
| Gromo | 3 | 16.8% | 4.4% |
| Fino del Monte | 3 | 12.3% | 0.3% |
| Rovetta | 3 | 18.3% | 7.5% |
| Villa d’Ogna | 3 | 26.2% | 8.1% |
| Castione della Presolana | 3 | 5.7% | 9.5% |
| Ardesio | 3 | 20.4% | 10.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on