Buying a home in Riesi
10,631 residents at the 2021 census, 2,276 buildings and 67 km² of territory, Sicilia.
Riesi is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 1.2% of the territory of Riesi has high or very high landslide hazard (P3 and P4), with 3.7% of the residents. 0% of the territory of Riesi is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Riesi
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Riesi compared
| ISPRA indicator | Riesi | CL | Sicilia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.7% | 0.9% | 2.2% |
| Landslide, high hazard (P3) | 0.6% | 0.3% | 0.8% |
| Landslide, areas of attention | 0% | 1.1% | 1.4% |
| Residents in landslide areas P3-P4 | 3.7% | 1.4% | 1.9% |
| Buildings in landslide areas P3-P4 | 1.5% | 1.8% | 2.4% |
| Flood, high probability (P3) | 0% | 0.9% | 1.6% |
| Flood, medium probability (P2) | 0% | 0.9% | 1.9% |
| Flood, low probability (P1) | 0% | 1% | 2.2% |
| Residents in P2 flood areas | 0% | 0.6% | 2.6% |
| Buildings in P2 flood areas | 0% | 0.6% | 2.3% |
Questions
Which seismic zone is Riesi in?
Riesi is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Riesi is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.2% of the territory of Riesi has high or very high landslide hazard (P3 and P4), with 3.7% of the residents. By share of territory with landslide hazard P3-P4, Riesi ranks 11th of 22 municipalities in the free municipal consortium of Caltanissetta.
How much of Riesi is in flood scenario P2?
0% of the territory of Riesi is in the flood area of the medium-probability scenario (P2), with 0% of the residents. In the free municipal consortium of Caltanissetta, 14 of 22 municipalities have no territory in the P2 flood area.
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 |
|---|---|---|---|
| Sommatino | 3 | 0.8% | 0% |
| Mazzarino | 3 | 0.1% | 0.1% |
| Ravanusa | 3 | 5.4% | 0% |
| Barrafranca | 3 | 0.2% | 0% |
| Butera | 3 | 0.4% | 0.8% |
| Pietraperzia | 3 | 0.1% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on