Metropolitan City of Roma
Natural hazards and seismic zone municipality by municipality, for home buyers.
According to ISPRA’s mosaic, 2.7% of the territory of the Metropolitan City of Roma has high or very high landslide hazard (P3 and P4), with 0.6% of the residents. 4.7% of the territory of the Metropolitan City of Roma is in the flood area of the medium-probability scenario (P2), with 3.6% of the residents. Among Italy’s 107 provinces it ranks 71st for landslide hazard P3-P4 and 64th for flood area (P2).
Municipalities by seismic zone: 97 in zone 2, 24 in zone 3.
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Municipalities by share of territory in landslide class P3/P4
| Nemi | 31.2% |
|---|---|
| Rocca di Cave | 25.3% |
| Cave | 23.9% |
| Carpineto Romano | 23.7% |
| Montelanico | 23.2% |
| Rocca Priora | 16.6% |
| Gorga | 16.1% |
| Rocca di Papa | 15.5% |
| Segni | 15% |
| Roiate | 14.8% |
Municipalities by share of territory in flood scenario P2
| Filacciano | 41.4% |
|---|---|
| Ponzano Romano | 30.5% |
| Torrita Tiberina | 29.2% |
| Capena | 28.5% |
| Fiumicino | 22.4% |
| Fiano Romano | 22.2% |
| Monterotondo | 21.2% |
| Nazzano | 18.7% |
| Marano Equo | 18.3% |
| Agosta | 17.1% |
All 121 municipalities
Landslides and floods in the province
| ISPRA indicator | RM | Lazio |
|---|---|---|
| Landslide, very high hazard (P4) | 2.1% | 4.3% |
| Landslide, high hazard (P3) | 0.6% | 1.2% |
| Landslide, areas of attention | 6.5% | 8.3% |
| Residents in landslide areas P3-P4 | 0.6% | 1.5% |
| Buildings in landslide areas P3-P4 | 1.2% | 3.2% |
| Flood, high probability (P3) | 3.4% | 2.6% |
| Flood, medium probability (P2) | 4.7% | 3.5% |
| Flood, low probability (P1) | 7% | 5.7% |
| Residents in P2 flood areas | 3.6% | 3.2% |
| Buildings in P2 flood areas | 4.5% | 3.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on