Buying a home in Arenzano
11,163 residents at the 2021 census, 1,701 buildings and 24.3 km² of territory, Liguria.
Arenzano is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 52.2% of the territory of Arenzano has high or very high landslide hazard (P3 and P4), with 7.2% of the residents. 0.9% of the territory of Arenzano is in the flood area of the medium-probability scenario (P2), with 6.1% of the residents.
Find your address in Arenzano
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Arenzano compared
| ISPRA indicator | Arenzano | GE | Liguria |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.7% | 3.1% | 2% |
| Landslide, high hazard (P3) | 50.5% | 21.9% | 12.6% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 7.2% | 7.9% | 7% |
| Buildings in landslide areas P3-P4 | 12.2% | 21.9% | 14.2% |
| Flood, high probability (P3) | 0.7% | 1.5% | 2.1% |
| Flood, medium probability (P2) | 0.9% | 2% | 2.9% |
| Flood, low probability (P1) | 1.2% | 2.5% | 3.5% |
| Residents in P2 flood areas | 6.1% | 15.9% | 17.4% |
| Buildings in P2 flood areas | 7.9% | 11.4% | 12.2% |
Questions
Which seismic zone is Arenzano in?
Arenzano is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Arenzano is in landslide class P3/P4?
According to ISPRA’s mosaic, 52.2% of the territory of Arenzano has high or very high landslide hazard (P3 and P4), with 7.2% of the residents. By share of territory with landslide hazard P3-P4, Arenzano ranks 6th of 67 municipalities in the Metropolitan City of Genova.
How much of Arenzano is in flood scenario P2?
0.9% of the territory of Arenzano is in the flood area of the medium-probability scenario (P2), with 6.1% of the residents. By share of territory in the P2 flood area, Arenzano ranks 41st of 67 municipalities in the Metropolitan City of Genova, tied with 1 others.
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 |
|---|---|---|---|
| Cogoleto | 4 | 31.1% | 1.6% |
| Urbe | 4 | 6.7% | 0.6% |
| Mele | 3 | 31.4% | 0.1% |
| Varazze | 4 | 31.4% | 0.9% |
| Tiglieto | 4 | 7.1% | 0.7% |
| Masone | 3 | 4.1% | 1.7% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on