Buying a home in Allai
358 residents at the 2021 census, 375 buildings and 27.4 km² of territory, Sardegna.
Allai is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 1.2% of the territory of Allai has high or very high landslide hazard (P3 and P4), with 0% of the residents. 0.4% of the territory of Allai is in the flood area of the medium-probability scenario (P2), with 2.2% of the residents.
Find your address in Allai
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Allai compared
| ISPRA indicator | Allai | OR | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 0.6% | 2.1% |
| Landslide, high hazard (P3) | 1.1% | 4.2% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 0.5% | 1.3% |
| Buildings in landslide areas P3-P4 | 0.3% | 0.9% | 2% |
| Flood, high probability (P3) | 0.4% | 7% | 3.4% |
| Flood, medium probability (P2) | 0.4% | 8% | 4% |
| Flood, low probability (P1) | 3.7% | 11.4% | 7% |
| Residents in P2 flood areas | 2.2% | 14.8% | 7.5% |
| Buildings in P2 flood areas | 2.4% | 11.6% | 7.5% |
Questions
Which seismic zone is Allai in?
Allai is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Allai is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.2% of the territory of Allai has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Allai ranks 42nd of 87 municipalities in the province of Oristano.
How much of Allai is in flood scenario P2?
0.4% of the territory of Allai is in the flood area of the medium-probability scenario (P2), with 2.2% of the residents. By share of territory in the P2 flood area, Allai ranks 57th of 87 municipalities in the province of Oristano, tied with 1 others.
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 |
|---|---|---|---|
| Ruinas | 4 | 11.9% | 0% |
| Fordongianus | 4 | 0% | 3.6% |
| Siapiccia | 4 | 0% | 1% |
| Busachi | 4 | 0.8% | 5.2% |
| Siamanna | 4 | 0% | 0.6% |
| Samugheo | 4 | 2.4% | 0.5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on