Buying a home in Santi Cosma e Damiano
6,854 residents at the 2021 census, 2,791 buildings and 31.6 km² of territory, Lazio.
Santi Cosma e Damiano 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, 11.6% of the territory of Santi Cosma e Damiano has high or very high landslide hazard (P3 and P4), with 6.7% of the residents. 20.9% of the territory of Santi Cosma e Damiano is in the flood area of the medium-probability scenario (P2), with 2.3% of the residents.
Find your address in Santi Cosma e Damiano
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Santi Cosma e Damiano compared
| ISPRA indicator | Santi Cosma e Damiano | LT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 11.5% | 5% | 4.3% |
| Landslide, high hazard (P3) | 0.1% | 0.2% | 1.2% |
| Landslide, areas of attention | 25.9% | 4.7% | 8.3% |
| Residents in landslide areas P3-P4 | 6.7% | 1.8% | 1.5% |
| Buildings in landslide areas P3-P4 | 6.1% | 2.8% | 3.2% |
| Flood, high probability (P3) | 10.8% | 1.4% | 2.6% |
| Flood, medium probability (P2) | 20.9% | 2.9% | 3.5% |
| Flood, low probability (P1) | 21.9% | 12.4% | 5.7% |
| Residents in P2 flood areas | 2.3% | 1.6% | 3.2% |
| Buildings in P2 flood areas | 2.9% | 2.1% | 3.4% |
Questions
Which seismic zone is Santi Cosma e Damiano in?
Santi Cosma e Damiano 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 Santi Cosma e Damiano is in landslide class P3/P4?
According to ISPRA’s mosaic, 11.6% of the territory of Santi Cosma e Damiano has high or very high landslide hazard (P3 and P4), with 6.7% of the residents. By share of territory with landslide hazard P3-P4, Santi Cosma e Damiano ranks 10th of 33 municipalities in the province of Latina.
How much of Santi Cosma e Damiano is in flood scenario P2?
20.9% of the territory of Santi Cosma e Damiano is in the flood area of the medium-probability scenario (P2), with 2.3% of the residents. By share of territory in the P2 flood area, Santi Cosma e Damiano ranks 1st 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 |
|---|---|---|---|
| Castelforte | 3A | 20.4% | 7.7% |
| Minturno | 3A | 1% | 9.3% |
| Coreno Ausonio | 2B | 9.6% | 0% |
| Sessa Aurunca | 2 | 15.4% | 13.7% |
| Ausonia | 2B | 25.2% | 0.3% |
| Spigno Saturnia | 3A | 29.7% | 0.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on