Buying a home in Castelforte
4,160 residents at the 2021 census, 1,321 buildings and 29.7 km² of territory, Lazio.
Castelforte is in seismic zone 3 (the region uses the sub-zones 3A): in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 20.4% of the territory of Castelforte has high or very high landslide hazard (P3 and P4), with 21.2% of the residents. 7.7% of the territory of Castelforte is in the flood area of the medium-probability scenario (P2), with 1% of the residents.
Find your address in Castelforte
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Castelforte compared
| ISPRA indicator | Castelforte | LT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 20.4% | 5% | 4.3% |
| Landslide, high hazard (P3) | 0% | 0.2% | 1.2% |
| Landslide, areas of attention | 44.4% | 4.7% | 8.3% |
| Residents in landslide areas P3-P4 | 21.2% | 1.8% | 1.5% |
| Buildings in landslide areas P3-P4 | 26.2% | 2.8% | 3.2% |
| Flood, high probability (P3) | 4.2% | 1.4% | 2.6% |
| Flood, medium probability (P2) | 7.7% | 2.9% | 3.5% |
| Flood, low probability (P1) | 8.3% | 12.4% | 5.7% |
| Residents in P2 flood areas | 1% | 1.6% | 3.2% |
| Buildings in P2 flood areas | 1.5% | 2.1% | 3.4% |
Questions
Which seismic zone is Castelforte in?
Castelforte is in seismic zone 3 (the region uses the sub-zones 3A): in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Castelforte is in landslide class P3/P4?
According to ISPRA’s mosaic, 20.4% of the territory of Castelforte has high or very high landslide hazard (P3 and P4), with 21.2% of the residents. By share of territory with landslide hazard P3-P4, Castelforte ranks 5th of 33 municipalities in the province of Latina.
How much of Castelforte is in flood scenario P2?
7.7% of the territory of Castelforte is in the flood area of the medium-probability scenario (P2), with 1% of the residents. By share of territory in the P2 flood area, Castelforte ranks 5th of 33 municipalities in the province of Latina.
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 |
|---|---|---|---|
| Sant’Andrea del Garigliano | 2B | 14.2% | 9.4% |
| Santi Cosma e Damiano | 3A | 11.6% | 20.9% |
| Coreno Ausonio | 2B | 9.6% | 0% |
| Vallemaio | 2B | 30.2% | 0% |
| Galluccio | 2 | 13.9% | 0% |
| Rocca d’Evandro | 2 | 18.6% | 9% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on