Buying a home in Sant’Alfio
1,518 residents at the 2021 census, 1,172 buildings and 25.9 km² of territory, Sicilia.
Sant’Alfio is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 0.4% of the territory of Sant’Alfio has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 0.1% of the territory of Sant’Alfio is in the flood area of the medium-probability scenario (P2), with 0.2% of the residents.
Find your address in Sant’Alfio
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Sant’Alfio compared
| ISPRA indicator | Sant'Alfio | CT | Sicilia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.3% | 0.1% | 2.2% |
| Landslide, high hazard (P3) | 0.1% | 0.5% | 0.8% |
| Landslide, areas of attention | 0% | 0.1% | 1.4% |
| Residents in landslide areas P3-P4 | 1.3% | 0.7% | 1.9% |
| Buildings in landslide areas P3-P4 | 0.8% | 0.5% | 2.4% |
| Flood, high probability (P3) | 0.1% | 4.6% | 1.6% |
| Flood, medium probability (P2) | 0.1% | 6.4% | 1.9% |
| Flood, low probability (P1) | 0.1% | 8% | 2.2% |
| Residents in P2 flood areas | 0.2% | 1.8% | 2.6% |
| Buildings in P2 flood areas | 0.5% | 2.3% | 2.3% |
Questions
Which seismic zone is Sant’Alfio in?
Sant’Alfio is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Sant’Alfio is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.4% of the territory of Sant’Alfio has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. By share of territory with landslide hazard P3-P4, Sant’Alfio ranks 22nd of 58 municipalities in the Metropolitan City of Catania, tied with 1 others.
How much of Sant’Alfio is in flood scenario P2?
0.1% of the territory of Sant’Alfio is in the flood area of the medium-probability scenario (P2), with 0.2% of the residents. By share of territory in the P2 flood area, Sant’Alfio ranks 40th 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 |
|---|---|---|---|
| Milo | 2 | 0.4% | 0% |
| Piedimonte Etneo | 2 | 0.8% | 0.4% |
| Zafferana Etnea | 2 | 0% | 0.2% |
| Linguaglossa | 2 | 0% | 1% |
| Mascali | 2 | 0% | 1.1% |
| Castiglione di Sicilia | 2 | 0.3% | 3.3% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on