Buying a home in Castiadas
1,661 residents at the 2021 census, 2,678 buildings and 103.9 km² of territory, Sardegna.
Castiadas is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 11.6% of the territory of Castiadas has high or very high landslide hazard (P3 and P4), with 1.1% of the residents. 2.5% of the territory of Castiadas is in the flood area of the medium-probability scenario (P2), with 1.5% of the residents.
Find your address in Castiadas
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Castiadas compared
| ISPRA indicator | Castiadas | SU | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.4% | 3.2% | 2.1% |
| Landslide, high hazard (P3) | 10.2% | 6.2% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.1% | 1% | 1.3% |
| Buildings in landslide areas P3-P4 | 0.4% | 1.9% | 2% |
| Flood, high probability (P3) | 1.5% | 3.5% | 3.4% |
| Flood, medium probability (P2) | 2.5% | 4.3% | 4% |
| Flood, low probability (P1) | 8.1% | 9.4% | 7% |
| Residents in P2 flood areas | 1.5% | 8.2% | 7.5% |
| Buildings in P2 flood areas | 0.8% | 8.4% | 7.5% |
Questions
Which seismic zone is Castiadas in?
Castiadas is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Castiadas is in landslide class P3/P4?
According to ISPRA’s mosaic, 11.6% of the territory of Castiadas has high or very high landslide hazard (P3 and P4), with 1.1% of the residents. By share of territory with landslide hazard P3-P4, Castiadas ranks 23rd of 107 municipalities in the province of Sud Sardegna.
How much of Castiadas is in flood scenario P2?
2.5% of the territory of Castiadas 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, Castiadas ranks 45th 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 |
|---|---|---|---|
| Villasimius | 4 | 54.6% | 5% |
| Muravera | 4 | 17.6% | 17.4% |
| Maracalagonis | 4 | 0.1% | 0.5% |
| Sinnai | 4 | 0.5% | 0.5% |
| Burcei | 4 | 0.9% | 0.5% |
| San Vito | 4 | 44.2% | 4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on