Buying a home in Alviano
1,396 residents at the 2021 census, 1,504 buildings and 23.9 km² of territory, Umbria.
Alviano is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 4.3% of the territory of Alviano has high or very high landslide hazard (P3 and P4), with 8.4% of the residents. 8.2% of the territory of Alviano is in the flood area of the medium-probability scenario (P2), with 0.9% of the residents.
Find your address in Alviano
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Alviano compared
| ISPRA indicator | Alviano | TR | Umbria |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.3% | 0.2% | 0.1% |
| Landslide, high hazard (P3) | 4% | 6.1% | 5.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 8.4% | 2.4% | 2.1% |
| Buildings in landslide areas P3-P4 | 5.7% | 4.5% | 3% |
| Flood, high probability (P3) | 8.2% | 2.9% | 3% |
| Flood, medium probability (P2) | 8.2% | 3.8% | 4.3% |
| Flood, low probability (P1) | 8.2% | 4.2% | 6% |
| Residents in P2 flood areas | 0.9% | 6.9% | 7.2% |
| Buildings in P2 flood areas | 0.7% | 5.7% | 6.5% |
Questions
Which seismic zone is Alviano in?
Alviano is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Alviano is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.3% of the territory of Alviano has high or very high landslide hazard (P3 and P4), with 8.4% of the residents. By share of territory with landslide hazard P3-P4, Alviano ranks 21st of 33 municipalities in the province of Terni.
How much of Alviano is in flood scenario P2?
8.2% of the territory of Alviano is in the flood area of the medium-probability scenario (P2), with 0.9% of the residents. By share of territory in the P2 flood area, Alviano ranks 7th 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 |
|---|---|---|---|
| Lugnano in Teverina | 3 | 5.5% | 0.3% |
| Guardea | 3 | 2.3% | 7.2% |
| Graffignano | 2B | 0.9% | 11.2% |
| Civitella d’Agliano | 2B | 5.5% | 0.8% |
| Montecchio | 3 | 1.2% | 1% |
| Attigliano | 3 | 0.5% | 32.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on