Buying a home in Isola del Liri
10,854 residents at the 2021 census, 3,965 buildings and 16 km² of territory, Lazio.
Isola del Liri is in seismic zone 1: the most hazardous zone: the probability of a strong earthquake is high. According to ISPRA’s mosaic, 6.2% of the territory of Isola del Liri has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. 4.2% of the territory of Isola del Liri is in the flood area of the medium-probability scenario (P2), with 5.4% of the residents.
Find your address in Isola del Liri
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Isola del Liri compared
| ISPRA indicator | Isola del Liri | FR | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 4.2% | 14.4% | 4.3% |
| Landslide, high hazard (P3) | 2% | 0.4% | 1.2% |
| Landslide, areas of attention | 33% | 27.8% | 8.3% |
| Residents in landslide areas P3-P4 | 1.8% | 7% | 1.5% |
| Buildings in landslide areas P3-P4 | 2% | 7.2% | 3.2% |
| Flood, high probability (P3) | 3.1% | 1.6% | 2.6% |
| Flood, medium probability (P2) | 4.2% | 2.2% | 3.5% |
| Flood, low probability (P1) | 10.1% | 2.9% | 5.7% |
| Residents in P2 flood areas | 5.4% | 2.3% | 3.2% |
| Buildings in P2 flood areas | 5.6% | 2.4% | 3.4% |
Questions
Which seismic zone is Isola del Liri in?
Isola del Liri is in seismic zone 1: the most hazardous zone: the probability of a strong earthquake is high.
How much of Isola del Liri is in landslide class P3/P4?
According to ISPRA’s mosaic, 6.2% of the territory of Isola del Liri has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. By share of territory with landslide hazard P3-P4, Isola del Liri ranks 61st of 91 municipalities in the province of Frosinone.
How much of Isola del Liri is in flood scenario P2?
4.2% of the territory of Isola del Liri is in the flood area of the medium-probability scenario (P2), with 5.4% of the residents. By share of territory in the P2 flood area, Isola del Liri ranks 11th of 91 municipalities in the province of Frosinone.
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 |
|---|---|---|---|
| Castelliri | 2A | 6.2% | 1.1% |
| Monte San Giovanni Campano | 2A | 6.7% | 0.2% |
| Sora | 1 | 33.7% | 8.8% |
| Arpino | 1 | 8.6% | 0.5% |
| Broccostella | 1 | 2.9% | 0.9% |
| Fontana Liri | 2A | 11.4% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on