Buying a home in Sant’Apollinare
1,842 residents at the 2021 census, 1,368 buildings and 18 km² of territory, Lazio.
Sant’Apollinare is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 12.9% of the territory of Sant’Apollinare has high or very high landslide hazard (P3 and P4), with 4.6% of the residents. 42.6% of the territory of Sant’Apollinare is in the flood area of the medium-probability scenario (P2), with 28.2% of the residents.
Find your address in Sant’Apollinare
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Sant’Apollinare compared
| ISPRA indicator | Sant'Apollinare | FR | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 12.9% | 14.4% | 4.3% |
| Landslide, high hazard (P3) | 0% | 0.4% | 1.2% |
| Landslide, areas of attention | 14% | 27.8% | 8.3% |
| Residents in landslide areas P3-P4 | 4.6% | 7% | 1.5% |
| Buildings in landslide areas P3-P4 | 1.9% | 7.2% | 3.2% |
| Flood, high probability (P3) | 36.6% | 1.6% | 2.6% |
| Flood, medium probability (P2) | 42.6% | 2.2% | 3.5% |
| Flood, low probability (P1) | 42.6% | 2.9% | 5.7% |
| Residents in P2 flood areas | 28.2% | 2.3% | 3.2% |
| Buildings in P2 flood areas | 29% | 2.4% | 3.4% |
Questions
Which seismic zone is Sant’Apollinare in?
Sant’Apollinare is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Sant’Apollinare is in landslide class P3/P4?
According to ISPRA’s mosaic, 12.9% of the territory of Sant’Apollinare has high or very high landslide hazard (P3 and P4), with 4.6% of the residents. By share of territory with landslide hazard P3-P4, Sant’Apollinare ranks 43rd of 91 municipalities in the province of Frosinone.
How much of Sant’Apollinare is in flood scenario P2?
42.6% of the territory of Sant’Apollinare is in the flood area of the medium-probability scenario (P2), with 28.2% of the residents. By share of territory in the P2 flood area, Sant’Apollinare ranks 1st 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 |
|---|---|---|---|
| Sant’Ambrogio sul Garigliano | 2B | 0.7% | 32.1% |
| Vallemaio | 2B | 30.2% | 0% |
| Sant’Andrea del Garigliano | 2B | 14.2% | 9.4% |
| San Giorgio a Liri | 2B | 16.7% | 17.2% |
| Pignataro Interamna | 2A | 1.6% | 17.5% |
| Rocca d’Evandro | 2 | 18.6% | 9% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on