Buying a home in Bianzone
1,262 residents at the 2021 census, 1,245 buildings and 17.1 km² of territory, Lombardia.
Bianzone is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 3.5% of the territory of Bianzone has high or very high landslide hazard (P3 and P4), with 3% of the residents. 1.2% of the territory of Bianzone is in the flood area of the medium-probability scenario (P2), with 3.2% of the residents.
Find your address in Bianzone
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Bianzone compared
| ISPRA indicator | Bianzone | SO | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 2.9% | 6.4% | 3.7% |
| Landslide, high hazard (P3) | 0.6% | 8.2% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 3% | 3.2% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.6% | 4.1% | 1.1% |
| Flood, high probability (P3) | 0.9% | 3.6% | 7.9% |
| Flood, medium probability (P2) | 1.2% | 4.7% | 10.2% |
| Flood, low probability (P1) | 20.2% | 9% | 20.3% |
| Residents in P2 flood areas | 3.2% | 5% | 4.4% |
| Buildings in P2 flood areas | 3.1% | 4.3% | 4.7% |
Questions
Which seismic zone is Bianzone in?
Bianzone is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Bianzone is in landslide class P3/P4?
According to ISPRA’s mosaic, 3.5% of the territory of Bianzone has high or very high landslide hazard (P3 and P4), with 3% of the residents. By share of territory with landslide hazard P3-P4, Bianzone ranks 64th of 77 municipalities in the province of Sondrio.
How much of Bianzone is in flood scenario P2?
1.2% of the territory of Bianzone is in the flood area of the medium-probability scenario (P2), with 3.2% of the residents. By share of territory in the P2 flood area, Bianzone ranks 65th of 77 municipalities in the province of Sondrio.
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 |
|---|---|---|---|
| Villa di Tirano | 3 | 4% | 2.7% |
| Tirano | 3 | 12.8% | 2.7% |
| Teglio | 3 | 8.4% | 7.4% |
| Chiuro | 3 | 3.8% | 4.2% |
| Aprica | 3 | 28.9% | 7.4% |
| Sernio | 3 | 20.3% | 5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on