Buying a home in Bologna
387,842 residents at the 2021 census, 64,262 buildings and 140.9 km² of territory, Emilia-Romagna.
Bologna is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 6.7% of the territory of Bologna has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. 57.7% of the territory of Bologna is in the flood area of the medium-probability scenario (P2), with 43.1% of the residents.
Find your address in Bologna
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Bologna compared
| ISPRA indicator | Bologna | BO | Emilia-Romagna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 0.9% | 4.9% |
| Landslide, high hazard (P3) | 6.6% | 12.1% | 9.8% |
| Landslide, areas of attention | 8.8% | 16.2% | 3% |
| Residents in landslide areas P3-P4 | 0.1% | 1.3% | 1.9% |
| Buildings in landslide areas P3-P4 | 0.6% | 4.1% | 5.6% |
| Flood, high probability (P3) | 5.9% | 13.4% | 11.6% |
| Flood, medium probability (P2) | 57.7% | 50% | 45.5% |
| Flood, low probability (P1) | 62.8% | 50.2% | 47.2% |
| Residents in P2 flood areas | 43.1% | 56.1% | 62.5% |
| Buildings in P2 flood areas | 43.3% | 53.5% | 58.9% |
Questions
Which seismic zone is Bologna in?
Bologna is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Bologna is in landslide class P3/P4?
According to ISPRA’s mosaic, 6.7% of the territory of Bologna has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. By share of territory with landslide hazard P3-P4, Bologna ranks 26th of 55 municipalities in the Metropolitan City of Bologna.
How much of Bologna is in flood scenario P2?
57.7% of the territory of Bologna is in the flood area of the medium-probability scenario (P2), with 43.1% of the residents. By share of territory in the P2 flood area, Bologna ranks 26th of 55 municipalities in the Metropolitan City of Bologna.
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 |
|---|---|---|---|
| Casalecchio di Reno | 3 | 1.2% | 31.2% |
| San Lazzaro di Savena | 3 | 5.6% | 42.9% |
| Zola Predosa | 3 | 1.1% | 55.9% |
| Castel Maggiore | 3 | 0% | 100% |
| Calderara di Reno | 3 | 0% | 100% |
| Castenaso | 3 | 0% | 100% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on