Buying a home in Brienno
335 residents at the 2021 census, 393 buildings and 9 km² of territory, Lombardia.
Brienno is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 4.7% of the territory of Brienno has high or very high landslide hazard (P3 and P4), with 5.7% of the residents. 33.9% of the territory of Brienno is in the flood area of the medium-probability scenario (P2), with 5.5% of the residents.
Find your address in Brienno
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Brienno compared
| ISPRA indicator | Brienno | CO | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.1% | 3.2% | 3.7% |
| Landslide, high hazard (P3) | 3.6% | 4.9% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 5.7% | 0.9% | 0.4% |
| Buildings in landslide areas P3-P4 | 9.9% | 2.2% | 1.1% |
| Flood, high probability (P3) | 33.9% | 9.2% | 7.9% |
| Flood, medium probability (P2) | 33.9% | 10.1% | 10.2% |
| Flood, low probability (P1) | 34% | 11.4% | 20.3% |
| Residents in P2 flood areas | 5.5% | 1.7% | 4.4% |
| Buildings in P2 flood areas | 5.4% | 2.1% | 4.7% |
Questions
Which seismic zone is Brienno in?
Brienno is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Brienno is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.7% of the territory of Brienno has high or very high landslide hazard (P3 and P4), with 5.7% of the residents. By share of territory with landslide hazard P3-P4, Brienno ranks 55th of 147 municipalities in the province of Como.
How much of Brienno is in flood scenario P2?
33.9% of the territory of Brienno is in the flood area of the medium-probability scenario (P2), with 5.5% of the residents. By share of territory in the P2 flood area, Brienno ranks 11th of 147 municipalities in the province of Como.
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 |
|---|---|---|---|
| Schignano | 4 | 12.8% | 0.1% |
| Argegno | 4 | 7% | 54.2% |
| Laglio | 4 | 5.2% | 34.3% |
| Dizzasco | 4 | 10.5% | 2.2% |
| Nesso | 4 | 4.4% | 27.6% |
| Carate Urio | 4 | 0.9% | 24.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on