Buying a home in Usini
4,237 residents at the 2021 census, 921 buildings and 30.7 km² of territory, Sardegna.
Usini is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 11.2% of the territory of Usini has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 8.5% of the territory of Usini is in the flood area of the medium-probability scenario (P2), with 0.2% of the residents.
Find your address in Usini
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Usini compared
| ISPRA indicator | Usini | SS | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 3.7% | 0.8% | 2.1% |
| Landslide, high hazard (P3) | 7.5% | 5.8% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.3% | 1.5% | 1.3% |
| Buildings in landslide areas P3-P4 | 1.6% | 1.8% | 2% |
| Flood, high probability (P3) | 7.5% | 2.1% | 3.4% |
| Flood, medium probability (P2) | 8.5% | 2.4% | 4% |
| Flood, low probability (P1) | 10.4% | 3.2% | 7% |
| Residents in P2 flood areas | 0.2% | 5.9% | 7.5% |
| Buildings in P2 flood areas | 0.3% | 4.8% | 7.5% |
Questions
Which seismic zone is Usini in?
Usini is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Usini is in landslide class P3/P4?
According to ISPRA’s mosaic, 11.2% of the territory of Usini has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. By share of territory with landslide hazard P3-P4, Usini ranks 29th of 92 municipalities in the province of Sassari.
How much of Usini is in flood scenario P2?
8.5% of the territory of Usini is in the flood area of the medium-probability scenario (P2), with 0.2% of the residents. By share of territory in the P2 flood area, Usini ranks 5th of 92 municipalities in the province of Sassari.
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 |
|---|---|---|---|
| Tissi | 4 | 13.1% | 4.3% |
| Uri | 4 | 8.1% | 0.7% |
| Ossi | 4 | 16.9% | 1.6% |
| Ittiri | 4 | 19.2% | 0.7% |
| Muros | 4 | 24.3% | 0.6% |
| Cargeghe | 4 | 12.2% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on