Buying a home in Civitella d’Agliano
1,493 residents at the 2021 census, 1,100 buildings and 33 km² of territory, Lazio.
Civitella d’Agliano is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 5.5% of the territory of Civitella d’Agliano has high or very high landslide hazard (P3 and P4), with 3% of the residents. 0.8% of the territory of Civitella d’Agliano is in the flood area of the medium-probability scenario (P2), with 0.1% of the residents.
Find your address in Civitella d’Agliano
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Civitella d’Agliano compared
| ISPRA indicator | Civitella d'Agliano | VT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.4% | 0.9% | 4.3% |
| Landslide, high hazard (P3) | 5.2% | 2.7% | 1.2% |
| Landslide, areas of attention | 0% | 1.9% | 8.3% |
| Residents in landslide areas P3-P4 | 3% | 4.5% | 1.5% |
| Buildings in landslide areas P3-P4 | 6.8% | 4.1% | 3.2% |
| Flood, high probability (P3) | 0.8% | 2.4% | 2.6% |
| Flood, medium probability (P2) | 0.8% | 3% | 3.5% |
| Flood, low probability (P1) | 0.8% | 3.4% | 5.7% |
| Residents in P2 flood areas | 0.1% | 1% | 3.2% |
| Buildings in P2 flood areas | 0% | 1.7% | 3.4% |
Questions
Which seismic zone is Civitella d’Agliano in?
Civitella d’Agliano is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Civitella d’Agliano is in landslide class P3/P4?
According to ISPRA’s mosaic, 5.5% of the territory of Civitella d’Agliano has high or very high landslide hazard (P3 and P4), with 3% of the residents. By share of territory with landslide hazard P3-P4, Civitella d’Agliano ranks 16th of 60 municipalities in the province of Viterbo.
How much of Civitella d’Agliano is in flood scenario P2?
0.8% of the territory of Civitella d’Agliano is in the flood area of the medium-probability scenario (P2), with 0.1% of the residents. By share of territory in the P2 flood area, Civitella d’Agliano ranks 19th 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 |
|---|---|---|---|
| Castiglione in Teverina | 2B | 13.5% | 0% |
| Graffignano | 2B | 0.9% | 11.2% |
| Alviano | 3 | 4.3% | 8.2% |
| Lubriano | 2B | 10.5% | 0% |
| Bagnoregio | 2B | 10.8% | 0% |
| Celleno | 2B | 10.7% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on