Buying a home in Aci Castello
17,975 residents at the 2021 census, 2,556 buildings and 8.8 km² of territory, Sicilia.
Aci Castello is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 2.4% of the territory of Aci Castello has high or very high landslide hazard (P3 and P4), with 1.4% of the residents. 1.2% of the territory of Aci Castello is in the flood area of the medium-probability scenario (P2), with 1.3% of the residents.
Find your address in Aci Castello
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Aci Castello compared
| ISPRA indicator | Aci Castello | CT | Sicilia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.2% | 0.1% | 2.2% |
| Landslide, high hazard (P3) | 2.1% | 0.5% | 0.8% |
| Landslide, areas of attention | 0.7% | 0.1% | 1.4% |
| Residents in landslide areas P3-P4 | 1.4% | 0.7% | 1.9% |
| Buildings in landslide areas P3-P4 | 0.7% | 0.5% | 2.4% |
| Flood, high probability (P3) | 1.2% | 4.6% | 1.6% |
| Flood, medium probability (P2) | 1.2% | 6.4% | 1.9% |
| Flood, low probability (P1) | 1.2% | 8% | 2.2% |
| Residents in P2 flood areas | 1.3% | 1.8% | 2.6% |
| Buildings in P2 flood areas | 1% | 2.3% | 2.3% |
Questions
Which seismic zone is Aci Castello in?
Aci Castello is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Aci Castello is in landslide class P3/P4?
According to ISPRA’s mosaic, 2.4% of the territory of Aci Castello has high or very high landslide hazard (P3 and P4), with 1.4% of the residents. By share of territory with landslide hazard P3-P4, Aci Castello ranks 4th of 58 municipalities in the Metropolitan City of Catania.
How much of Aci Castello is in flood scenario P2?
1.2% of the territory of Aci Castello is in the flood area of the medium-probability scenario (P2), with 1.3% of the residents. By share of territory in the P2 flood area, Aci Castello ranks 22nd 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 |
|---|---|---|---|
| San Gregorio di Catania | 2 | 0.2% | 0% |
| Valverde | 2 | 1.6% | 2.1% |
| Aci Catena | 2 | 0.4% | 1.1% |
| San Giovanni la Punta | 2 | 0% | 0% |
| Sant’Agata li Battiati | 2 | 1.1% | 0.1% |
| Aci Bonaccorsi | 2 | 0% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on