Buying a home in Orvieto
19,689 residents at the 2021 census, 13,840 buildings and 281.3 km² of territory, Umbria.
Orvieto is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 5% of the territory of Orvieto has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. 4.7% of the territory of Orvieto is in the flood area of the medium-probability scenario (P2), with 9.5% of the residents.
Find your address in Orvieto
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Orvieto compared
| ISPRA indicator | Orvieto | TR | Umbria |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 0.2% | 0.1% |
| Landslide, high hazard (P3) | 4.9% | 6.1% | 5.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.8% | 2.4% | 2.1% |
| Buildings in landslide areas P3-P4 | 4.4% | 4.5% | 3% |
| Flood, high probability (P3) | 3% | 2.9% | 3% |
| Flood, medium probability (P2) | 4.7% | 3.8% | 4.3% |
| Flood, low probability (P1) | 5.2% | 4.2% | 6% |
| Residents in P2 flood areas | 9.5% | 6.9% | 7.2% |
| Buildings in P2 flood areas | 6.4% | 5.7% | 6.5% |
Questions
Which seismic zone is Orvieto in?
Orvieto is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Orvieto is in landslide class P3/P4?
According to ISPRA’s mosaic, 5% of the territory of Orvieto has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. By share of territory with landslide hazard P3-P4, Orvieto ranks 16th of 33 municipalities in the province of Terni.
How much of Orvieto is in flood scenario P2?
4.7% of the territory of Orvieto is in the flood area of the medium-probability scenario (P2), with 9.5% of the residents. By share of territory in the P2 flood area, Orvieto ranks 12th of 33 municipalities in the province of Terni.
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 |
|---|---|---|---|
| Porano | 3 | 1.9% | 0% |
| Castiglione in Teverina | 2B | 13.5% | 0% |
| Lubriano | 2B | 10.5% | 0% |
| Baschi | 2 | 8.4% | 1.9% |
| Castel Viscardo | 3 | 13.3% | 9.7% |
| Ficulle | 3 | 3.9% | 4.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on