Buying a home in Olbia
60,711 residents at the 2021 census, 15,040 buildings and 384.4 km² of territory, Sardegna.
Olbia is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 0% of the territory of Olbia has high or very high landslide hazard (P3 and P4), with 0% of the residents. 4.3% of the territory of Olbia is in the flood area of the medium-probability scenario (P2), with 31.4% of the residents.
Find your address in Olbia
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Olbia compared
| ISPRA indicator | Olbia | SS | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.8% | 2.1% |
| Landslide, high hazard (P3) | 0% | 5.8% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 1.5% | 1.3% |
| Buildings in landslide areas P3-P4 | 0% | 1.8% | 2% |
| Flood, high probability (P3) | 3.2% | 2.1% | 3.4% |
| Flood, medium probability (P2) | 4.3% | 2.4% | 4% |
| Flood, low probability (P1) | 6.1% | 3.2% | 7% |
| Residents in P2 flood areas | 31.4% | 5.9% | 7.5% |
| Buildings in P2 flood areas | 21.2% | 4.8% | 7.5% |
Questions
Which seismic zone is Olbia in?
Olbia is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Olbia is in landslide class P3/P4?
According to ISPRA’s mosaic, 0% of the territory of Olbia has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Olbia ranks 92nd of 92 municipalities in the province of Sassari.
How much of Olbia is in flood scenario P2?
4.3% of the territory of Olbia is in the flood area of the medium-probability scenario (P2), with 31.4% of the residents. By share of territory in the P2 flood area, Olbia ranks 19th 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 |
|---|---|---|---|
| Loiri Porto San Paolo | 4 | 0.1% | 4.6% |
| Golfo Aranci | 4 | 6% | 4.6% |
| San Teodoro | 4 | 14.2% | 9.2% |
| Telti | 4 | 3.4% | 1.4% |
| Padru | 4 | 15.4% | 4.4% |
| Monti | 4 | 0.9% | 1.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on