Metropolitan City of Bologna
Natural hazards and seismic zone municipality by municipality, for home buyers.
According to ISPRA’s mosaic, 13% of the territory of the Metropolitan City of Bologna has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 50% of the territory of the Metropolitan City of Bologna is in the flood area of the medium-probability scenario (P2), with 56.1% of the residents. Among Italy’s 107 provinces it ranks 30th for landslide hazard P3-P4 and 3rd for flood area (P2).
Municipalities by seismic zone: 12 in zone 2, 43 in zone 3.
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Municipalities by share of territory in landslide class P3/P4
| Camugnano | 45.5% |
|---|---|
| Grizzana Morandi | 41% |
| Castel di Casio | 40% |
| Monterenzio | 40% |
| Castiglione dei Pepoli | 31.3% |
| Casalfiumanese | 31.1% |
| Gaggio Montano | 29.3% |
| Monte San Pietro | 29% |
| Lizzano in Belvedere | 28.7% |
| Vergato | 28.2% |
Municipalities by share of territory in flood scenario P2
| Anzola dell’Emilia | 100% |
|---|---|
| Sant’Agata Bolognese | 100% |
| Argelato | 100% |
| Calderara di Reno | 100% |
| Castello d’Argile | 100% |
| Sala Bolognese | 100% |
| San Giovanni in Persiceto | 100% |
| Bentivoglio | 100% |
| Castel Maggiore | 100% |
| Castenaso | 100% |
All 55 municipalities
Landslides and floods in the province
| ISPRA indicator | BO | Emilia-Romagna |
|---|---|---|
| Landslide, very high hazard (P4) | 0.9% | 4.9% |
| Landslide, high hazard (P3) | 12.1% | 9.8% |
| Landslide, areas of attention | 16.2% | 3% |
| Residents in landslide areas P3-P4 | 1.3% | 1.9% |
| Buildings in landslide areas P3-P4 | 4.1% | 5.6% |
| Flood, high probability (P3) | 13.4% | 11.6% |
| Flood, medium probability (P2) | 50% | 45.5% |
| Flood, low probability (P1) | 50.2% | 47.2% |
| Residents in P2 flood areas | 56.1% | 62.5% |
| Buildings in P2 flood areas | 53.5% | 58.9% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on