Buying a home in San Lazzaro di Savena
32,606 residents at the 2021 census, 4,724 buildings and 44.7 km² of territory, Emilia-Romagna.
San Lazzaro di Savena is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 5.6% of the territory of San Lazzaro di Savena has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 42.9% of the territory of San Lazzaro di Savena is in the flood area of the medium-probability scenario (P2), with 33.9% of the residents.
Find your address in San Lazzaro di Savena
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San Lazzaro di Savena compared
| ISPRA indicator | San Lazzaro di Savena | BO | Emilia-Romagna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.3% | 0.9% | 4.9% |
| Landslide, high hazard (P3) | 5.3% | 12.1% | 9.8% |
| Landslide, areas of attention | 9.3% | 16.2% | 3% |
| Residents in landslide areas P3-P4 | 1.3% | 1.3% | 1.9% |
| Buildings in landslide areas P3-P4 | 1.6% | 4.1% | 5.6% |
| Flood, high probability (P3) | 5.2% | 13.4% | 11.6% |
| Flood, medium probability (P2) | 42.9% | 50% | 45.5% |
| Flood, low probability (P1) | 42.9% | 50.2% | 47.2% |
| Residents in P2 flood areas | 33.9% | 56.1% | 62.5% |
| Buildings in P2 flood areas | 48.7% | 53.5% | 58.9% |
Questions
Which seismic zone is San Lazzaro di Savena in?
San Lazzaro di Savena is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of San Lazzaro di Savena is in landslide class P3/P4?
According to ISPRA’s mosaic, 5.6% of the territory of San Lazzaro di Savena has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. By share of territory with landslide hazard P3-P4, San Lazzaro di Savena ranks 27th of 55 municipalities in the Metropolitan City of Bologna.
How much of San Lazzaro di Savena is in flood scenario P2?
42.9% of the territory of San Lazzaro di Savena is in the flood area of the medium-probability scenario (P2), with 33.9% of the residents. By share of territory in the P2 flood area, San Lazzaro di Savena ranks 31st 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 |
|---|---|---|---|
| Ozzano dell’Emilia | 2 | 19.4% | 44.9% |
| Castenaso | 3 | 0% | 100% |
| Bologna | 3 | 6.7% | 57.7% |
| Pianoro | 3 | 17.9% | 7.8% |
| Castel San Pietro Terme | 2 | 16.7% | 43.1% |
| Granarolo dell’Emilia | 3 | 0% | 100% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on