Buying a home in Civita Castellana
15,416 residents at the 2021 census, 4,211 buildings and 84.2 km² of territory, Lazio.
Civita Castellana is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 0.6% of the territory of Civita Castellana has high or very high landslide hazard (P3 and P4), with 1.6% of the residents. 8.7% of the territory of Civita Castellana is in the flood area of the medium-probability scenario (P2), with 1.4% of the residents.
Find your address in Civita Castellana
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Civita Castellana compared
| ISPRA indicator | Civita Castellana | VT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.2% | 0.9% | 4.3% |
| Landslide, high hazard (P3) | 0.4% | 2.7% | 1.2% |
| Landslide, areas of attention | 0% | 1.9% | 8.3% |
| Residents in landslide areas P3-P4 | 1.6% | 4.5% | 1.5% |
| Buildings in landslide areas P3-P4 | 1.1% | 4.1% | 3.2% |
| Flood, high probability (P3) | 7.9% | 2.4% | 2.6% |
| Flood, medium probability (P2) | 8.7% | 3% | 3.5% |
| Flood, low probability (P1) | 9% | 3.4% | 5.7% |
| Residents in P2 flood areas | 1.4% | 1% | 3.2% |
| Buildings in P2 flood areas | 1.5% | 1.7% | 3.4% |
Questions
Which seismic zone is Civita Castellana in?
Civita Castellana is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Civita Castellana is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.6% of the territory of Civita Castellana has high or very high landslide hazard (P3 and P4), with 1.6% of the residents. By share of territory with landslide hazard P3-P4, Civita Castellana ranks 42nd of 60 municipalities in the province of Viterbo.
How much of Civita Castellana is in flood scenario P2?
8.7% of the territory of Civita Castellana is in the flood area of the medium-probability scenario (P2), with 1.4% of the residents. By share of territory in the P2 flood area, Civita Castellana ranks 6th 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 |
|---|---|---|---|
| Magliano Sabina | 2B | 4.3% | 22% |
| Faleria | 3A | 0.1% | 0% |
| Castel Sant’Elia | 3A | 0.9% | 0% |
| Collevecchio | 2B | 4.2% | 4.8% |
| Corchiano | 3A | 0.2% | 0% |
| Gallese | 2B | 0.2% | 7.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on