Buying a home in Alghero
42,458 residents at the 2021 census, 9,858 buildings and 225.9 km² of territory, Sardegna.
Alghero is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 11.3% of the territory of Alghero has high or very high landslide hazard (P3 and P4), with 0.6% of the residents. 5.8% of the territory of Alghero is in the flood area of the medium-probability scenario (P2), with 1.5% of the residents.
Find your address in Alghero
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Alghero compared
| ISPRA indicator | Alghero | SS | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.3% | 0.8% | 2.1% |
| Landslide, high hazard (P3) | 10% | 5.8% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.6% | 1.5% | 1.3% |
| Buildings in landslide areas P3-P4 | 1.3% | 1.8% | 2% |
| Flood, high probability (P3) | 5% | 2.1% | 3.4% |
| Flood, medium probability (P2) | 5.8% | 2.4% | 4% |
| Flood, low probability (P1) | 6.5% | 3.2% | 7% |
| Residents in P2 flood areas | 1.5% | 5.9% | 7.5% |
| Buildings in P2 flood areas | 2.1% | 4.8% | 7.5% |
Questions
Which seismic zone is Alghero in?
Alghero is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Alghero is in landslide class P3/P4?
According to ISPRA’s mosaic, 11.3% of the territory of Alghero has high or very high landslide hazard (P3 and P4), with 0.6% of the residents. By share of territory with landslide hazard P3-P4, Alghero ranks 27th of 92 municipalities in the province of Sassari.
How much of Alghero is in flood scenario P2?
5.8% of the territory of Alghero is in the flood area of the medium-probability scenario (P2), with 1.5% of the residents. By share of territory in the P2 flood area, Alghero ranks 10th 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 |
|---|---|---|---|
| Olmedo | 4 | 8.3% | 2.2% |
| Putifigari | 4 | 14.1% | 0.3% |
| Uri | 4 | 8.1% | 0.7% |
| Villanova Monteleone | 4 | 24.7% | 0.1% |
| Sassari | 4 | 3.7% | 4.5% |
| Usini | 4 | 11.2% | 8.5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on