Buying a home in Decimomannu
8,336 residents at the 2021 census, 2,212 buildings and 27.7 km² of territory, Sardegna.
Decimomannu 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 Decimomannu has high or very high landslide hazard (P3 and P4), with 0% of the residents. 19.9% of the territory of Decimomannu is in the flood area of the medium-probability scenario (P2), with 13.1% of the residents.
Find your address in Decimomannu
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Decimomannu compared
| ISPRA indicator | Decimomannu | CA | Sardegna |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.9% | 2.1% |
| Landslide, high hazard (P3) | 0% | 2.5% | 7.3% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 0.1% | 1.3% |
| Buildings in landslide areas P3-P4 | 0% | 0.3% | 2% |
| Flood, high probability (P3) | 18.6% | 7.7% | 3.4% |
| Flood, medium probability (P2) | 19.9% | 9.1% | 4% |
| Flood, low probability (P1) | 63.9% | 19.9% | 7% |
| Residents in P2 flood areas | 13.1% | 7.3% | 7.5% |
| Buildings in P2 flood areas | 12.2% | 10.3% | 7.5% |
Questions
Which seismic zone is Decimomannu in?
Decimomannu is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Decimomannu is in landslide class P3/P4?
According to ISPRA’s mosaic, 0% of the territory of Decimomannu has high or very high landslide hazard (P3 and P4), with 0% of the residents. In the Metropolitan City of Cagliari, 4 of 17 municipalities have no territory with landslide hazard P3-P4.
How much of Decimomannu is in flood scenario P2?
19.9% of the territory of Decimomannu is in the flood area of the medium-probability scenario (P2), with 13.1% of the residents. By share of territory in the P2 flood area, Decimomannu ranks 2nd of 17 municipalities in the Metropolitan City of Cagliari.
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 |
|---|---|---|---|
| Villaspeciosa | 4 | 0.1% | 21.4% |
| Uta | 4 | 0% | 12.4% |
| Decimoputzu | 4 | 0% | 21.1% |
| Assemini | 4 | 13.2% | 16.3% |
| Villasor | 4 | 0% | 17.5% |
| San Sperate | 4 | 0% | 3.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on