Buying a home in Siamaggiore
884 residents at the 2021 census, 495 buildings and 13.2 km² of territory, Sardegna.
Siamaggiore is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 0.1% of the territory of Siamaggiore has high or very high landslide hazard (P3 and P4), with 0% of the residents. 38% of the territory of Siamaggiore is in the flood area of the medium-probability scenario (P2), with 53.2% of the residents.
Find your address in Siamaggiore
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Siamaggiore compared
| ISPRA indicator | Siamaggiore | OR | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.6% | 2.1% |
| Landslide, high hazard (P3) | 0.1% | 4.2% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 0.5% | 1.3% |
| Buildings in landslide areas P3-P4 | 0% | 0.9% | 2% |
| Flood, high probability (P3) | 9% | 7% | 3.4% |
| Flood, medium probability (P2) | 38% | 8% | 4% |
| Flood, low probability (P1) | 39.6% | 11.4% | 7% |
| Residents in P2 flood areas | 53.2% | 14.8% | 7.5% |
| Buildings in P2 flood areas | 51.1% | 11.6% | 7.5% |
Questions
Which seismic zone is Siamaggiore in?
Siamaggiore is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Siamaggiore is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.1% of the territory of Siamaggiore has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Siamaggiore ranks 59th of 87 municipalities in the province of Oristano.
How much of Siamaggiore is in flood scenario P2?
38% of the territory of Siamaggiore is in the flood area of the medium-probability scenario (P2), with 53.2% of the residents. By share of territory in the P2 flood area, Siamaggiore ranks 3rd of 87 municipalities in the province of Oristano.
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 |
|---|---|---|---|
| Zeddiani | 4 | 0% | 12.3% |
| Oristano | 4 | 1.1% | 37.6% |
| Solarussa | 4 | 0.1% | 24% |
| Tramatza | 4 | 0% | 17.8% |
| Simaxis | 4 | 0.1% | 8.1% |
| Baratili San Pietro | 4 | 0% | 9.5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on