Buying a home in Bomarzo
1,692 residents at the 2021 census, 967 buildings and 39.6 km² of territory, Lazio.
Bomarzo is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 3% of the territory of Bomarzo has high or very high landslide hazard (P3 and P4), with 3.9% of the residents. 13.1% of the territory of Bomarzo is in the flood area of the medium-probability scenario (P2), with 0.6% of the residents.
Find your address in Bomarzo
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Bomarzo compared
| ISPRA indicator | Bomarzo | VT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.6% | 0.9% | 4.3% |
| Landslide, high hazard (P3) | 2.4% | 2.7% | 1.2% |
| Landslide, areas of attention | 0% | 1.9% | 8.3% |
| Residents in landslide areas P3-P4 | 3.9% | 4.5% | 1.5% |
| Buildings in landslide areas P3-P4 | 5.7% | 4.1% | 3.2% |
| Flood, high probability (P3) | 13.1% | 2.4% | 2.6% |
| Flood, medium probability (P2) | 13.1% | 3% | 3.5% |
| Flood, low probability (P1) | 13.2% | 3.4% | 5.7% |
| Residents in P2 flood areas | 0.6% | 1% | 3.2% |
| Buildings in P2 flood areas | 0.3% | 1.7% | 3.4% |
Questions
Which seismic zone is Bomarzo in?
Bomarzo is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Bomarzo is in landslide class P3/P4?
According to ISPRA’s mosaic, 3% of the territory of Bomarzo has high or very high landslide hazard (P3 and P4), with 3.9% of the residents. By share of territory with landslide hazard P3-P4, Bomarzo ranks 23rd of 60 municipalities in the province of Viterbo.
How much of Bomarzo is in flood scenario P2?
13.1% of the territory of Bomarzo is in the flood area of the medium-probability scenario (P2), with 0.6% of the residents. By share of territory in the P2 flood area, Bomarzo ranks 3rd of 60 municipalities in the province of Viterbo.
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 |
|---|---|---|---|
| Attigliano | 3 | 0.5% | 32.1% |
| Bassano in Teverina | 2B | 11.9% | 0.8% |
| Giove | 3 | 15.4% | 6.2% |
| Soriano nel Cimino | 2B | 4% | 0% |
| Graffignano | 2B | 0.9% | 11.2% |
| Vitorchiano | 2B | 4.2% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on