Buying a home in Gonnesa
4,697 residents at the 2021 census, 1,650 buildings and 48 km² of territory, Sardegna.
Gonnesa is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 7.9% of the territory of Gonnesa has high or very high landslide hazard (P3 and P4), with 3% of the residents. 6.4% of the territory of Gonnesa is in the flood area of the medium-probability scenario (P2), with 38.2% of the residents.
Find your address in Gonnesa
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Gonnesa compared
| ISPRA indicator | Gonnesa | SU | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1% | 3.2% | 2.1% |
| Landslide, high hazard (P3) | 6.9% | 6.2% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 3% | 1% | 1.3% |
| Buildings in landslide areas P3-P4 | 2.9% | 1.9% | 2% |
| Flood, high probability (P3) | 5.5% | 3.5% | 3.4% |
| Flood, medium probability (P2) | 6.4% | 4.3% | 4% |
| Flood, low probability (P1) | 8.1% | 9.4% | 7% |
| Residents in P2 flood areas | 38.2% | 8.2% | 7.5% |
| Buildings in P2 flood areas | 35.6% | 8.4% | 7.5% |
Questions
Which seismic zone is Gonnesa in?
Gonnesa is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Gonnesa is in landslide class P3/P4?
According to ISPRA’s mosaic, 7.9% of the territory of Gonnesa has high or very high landslide hazard (P3 and P4), with 3% of the residents. By share of territory with landslide hazard P3-P4, Gonnesa ranks 28th of 107 municipalities in the province of Sud Sardegna.
How much of Gonnesa is in flood scenario P2?
6.4% of the territory of Gonnesa is in the flood area of the medium-probability scenario (P2), with 38.2% of the residents. By share of territory in the P2 flood area, Gonnesa ranks 21st 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 |
|---|---|---|---|
| Portoscuso | 4 | 2.2% | 7.8% |
| Carbonia | 4 | 10% | 0.5% |
| Iglesias | 4 | 27.3% | 0.4% |
| Buggerru | 4 | 63.6% | 2.1% |
| San Giovanni Suergiu | 4 | 0% | 13.9% |
| Perdaxius | 4 | 0.1% | 0.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
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