Buying a home in Ariccia
18,117 residents at the 2021 census, 3,535 buildings and 18.6 km² of territory, Lazio.
Ariccia is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 1% of the territory of Ariccia has high or very high landslide hazard (P3 and P4), with 2.6% of the residents. 3.8% of the territory of Ariccia is in the flood area of the medium-probability scenario (P2), with 2.9% of the residents.
Find your address in Ariccia
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Ariccia compared
| ISPRA indicator | Ariccia | RM | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.8% | 2.1% | 4.3% |
| Landslide, high hazard (P3) | 0.2% | 0.6% | 1.2% |
| Landslide, areas of attention | 0.5% | 6.5% | 8.3% |
| Residents in landslide areas P3-P4 | 2.6% | 0.6% | 1.5% |
| Buildings in landslide areas P3-P4 | 1.1% | 1.2% | 3.2% |
| Flood, high probability (P3) | 3.8% | 3.4% | 2.6% |
| Flood, medium probability (P2) | 3.8% | 4.7% | 3.5% |
| Flood, low probability (P1) | 3.8% | 7% | 5.7% |
| Residents in P2 flood areas | 2.9% | 3.6% | 3.2% |
| Buildings in P2 flood areas | 2.4% | 4.5% | 3.4% |
Questions
Which seismic zone is Ariccia in?
Ariccia is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Ariccia is in landslide class P3/P4?
According to ISPRA’s mosaic, 1% of the territory of Ariccia has high or very high landslide hazard (P3 and P4), with 2.6% of the residents. By share of territory with landslide hazard P3-P4, Ariccia ranks 70th of 121 municipalities in the Metropolitan City of Roma.
How much of Ariccia is in flood scenario P2?
3.8% of the territory of Ariccia is in the flood area of the medium-probability scenario (P2), with 2.9% of the residents. By share of territory in the P2 flood area, Ariccia ranks 19th of 121 municipalities in the Metropolitan City of Roma.
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 |
|---|---|---|---|
| Albano Laziale | 2B | 1.2% | 0.8% |
| Nemi | 2B | 31.2% | 0% |
| Genzano di Roma | 2B | 4% | 0% |
| Castel Gandolfo | 2B | 2.2% | 0% |
| Lanuvio | 2B | 0.4% | 0.2% |
| Marino | 2B | 0.1% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on