Buying a home in Colle Brianza
1,773 residents at the 2021 census, 709 buildings and 8.3 km² of territory, Lombardia.
Colle Brianza is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 1.1% of the territory of Colle Brianza has high or very high landslide hazard (P3 and P4), with 0.2% of the residents. 0.2% of the territory of Colle Brianza is in the flood area of the medium-probability scenario (P2), with 0.6% of the residents.
Find your address in Colle Brianza
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Colle Brianza compared
| ISPRA indicator | Colle Brianza | LC | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 8.4% | 3.7% |
| Landslide, high hazard (P3) | 1% | 1.9% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.2% | 1.6% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.7% | 2.3% | 1.1% |
| Flood, high probability (P3) | 0.2% | 10.3% | 7.9% |
| Flood, medium probability (P2) | 0.2% | 10.8% | 10.2% |
| Flood, low probability (P1) | 0.4% | 14.2% | 20.3% |
| Residents in P2 flood areas | 0.6% | 2.8% | 4.4% |
| Buildings in P2 flood areas | 0.5% | 3.1% | 4.7% |
Questions
Which seismic zone is Colle Brianza in?
Colle Brianza is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Colle Brianza is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.1% of the territory of Colle Brianza has high or very high landslide hazard (P3 and P4), with 0.2% of the residents. By share of territory with landslide hazard P3-P4, Colle Brianza ranks 47th of 84 municipalities in the province of Lecco.
How much of Colle Brianza is in flood scenario P2?
0.2% of the territory of Colle Brianza is in the flood area of the medium-probability scenario (P2), with 0.6% of the residents. By share of territory in the P2 flood area, Colle Brianza ranks 60th of 84 municipalities in the province of Lecco.
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 |
|---|---|---|---|
| Valgreghentino | 3 | 3.4% | 4.2% |
| Santa Maria Hoè | 3 | 0.3% | 0% |
| Castello di Brianza | 3 | 0% | 0.2% |
| Ello | 3 | 0.2% | 1.1% |
| Dolzago | 3 | 0% | 0% |
| Airuno | 3 | 1.7% | 10% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on