Buying a home in Trecastagni
11,230 residents at the 2021 census, 4,316 buildings and 19.2 km² of territory, Sicilia.
Trecastagni is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 0% of the territory of Trecastagni has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. 0.2% of the territory of Trecastagni is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Trecastagni
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Trecastagni compared
| ISPRA indicator | Trecastagni | CT | Sicilia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.1% | 2.2% |
| Landslide, high hazard (P3) | 0% | 0.5% | 0.8% |
| Landslide, areas of attention | 0% | 0.1% | 1.4% |
| Residents in landslide areas P3-P4 | 0.1% | 0.7% | 1.9% |
| Buildings in landslide areas P3-P4 | 0% | 0.5% | 2.4% |
| Flood, high probability (P3) | 0.2% | 4.6% | 1.6% |
| Flood, medium probability (P2) | 0.2% | 6.4% | 1.9% |
| Flood, low probability (P1) | 0.2% | 8% | 2.2% |
| Residents in P2 flood areas | 0% | 1.8% | 2.6% |
| Buildings in P2 flood areas | 0.1% | 2.3% | 2.3% |
Questions
Which seismic zone is Trecastagni in?
Trecastagni is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Trecastagni is in landslide class P3/P4?
According to ISPRA’s mosaic, 0% of the territory of Trecastagni has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. By share of territory with landslide hazard P3-P4, Trecastagni ranks 41st of 58 municipalities in the Metropolitan City of Catania.
How much of Trecastagni is in flood scenario P2?
0.2% of the territory of Trecastagni is in the flood area of the medium-probability scenario (P2), with 0% of the residents. By share of territory in the P2 flood area, Trecastagni ranks 36th of 58 municipalities in the Metropolitan City of Catania.
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 |
|---|---|---|---|
| Pedara | 2 | 0% | 0.5% |
| Viagrande | 2 | 0% | 0.3% |
| Aci Sant’Antonio | 2 | 0% | 1.9% |
| Nicolosi | 2 | 0% | 0% |
| Zafferana Etnea | 2 | 0% | 0.2% |
| Aci Bonaccorsi | 2 | 0% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on