Buying a home in Ballao
731 residents at the 2021 census, 727 buildings and 46.6 km² of territory, Sardegna.
Ballao is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 21.9% of the territory of Ballao has high or very high landslide hazard (P3 and P4), with 5.3% of the residents. 4.9% of the territory of Ballao is in the flood area of the medium-probability scenario (P2), with 8.6% of the residents.
Find your address in Ballao
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Ballao compared
| ISPRA indicator | Ballao | SU | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 5.3% | 3.2% | 2.1% |
| Landslide, high hazard (P3) | 16.6% | 6.2% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 5.3% | 1% | 1.3% |
| Buildings in landslide areas P3-P4 | 5.6% | 1.9% | 2% |
| Flood, high probability (P3) | 4.1% | 3.5% | 3.4% |
| Flood, medium probability (P2) | 4.9% | 4.3% | 4% |
| Flood, low probability (P1) | 10.6% | 9.4% | 7% |
| Residents in P2 flood areas | 8.6% | 8.2% | 7.5% |
| Buildings in P2 flood areas | 8.4% | 8.4% | 7.5% |
Questions
Which seismic zone is Ballao in?
Ballao is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Ballao is in landslide class P3/P4?
According to ISPRA’s mosaic, 21.9% of the territory of Ballao has high or very high landslide hazard (P3 and P4), with 5.3% of the residents. By share of territory with landslide hazard P3-P4, Ballao ranks 11th of 107 municipalities in the province of Sud Sardegna.
How much of Ballao is in flood scenario P2?
4.9% of the territory of Ballao is in the flood area of the medium-probability scenario (P2), with 8.6% of the residents. By share of territory in the P2 flood area, Ballao ranks 29th of 107 municipalities in the province of Sud Sardegna.
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 |
|---|---|---|---|
| Armungia | 4 | 15.5% | 2.4% |
| Escalaplano | 4 | 31.5% | 0.9% |
| Goni | 4 | 0.1% | 1.3% |
| Silius | 4 | 0.2% | 0.1% |
| Villasalto | 4 | 1% | 1.3% |
| Perdasdefogu | 4 | 24.8% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on