Buying a home in Ponza
3,305 residents at the 2021 census, 1,262 buildings and 10.2 km² of territory, Lazio.
Ponza is in seismic zone 3 (the region uses the sub-zones 3B): in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 42.4% of the territory of Ponza has high or very high landslide hazard (P3 and P4), with 21.9% of the residents. 0% of the territory of Ponza is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Ponza
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Ponza compared
| ISPRA indicator | Ponza | LT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 42.2% | 5% | 4.3% |
| Landslide, high hazard (P3) | 0.2% | 0.2% | 1.2% |
| Landslide, areas of attention | 0.1% | 4.7% | 8.3% |
| Residents in landslide areas P3-P4 | 21.9% | 1.8% | 1.5% |
| Buildings in landslide areas P3-P4 | 19.5% | 2.8% | 3.2% |
| Flood, high probability (P3) | 0% | 1.4% | 2.6% |
| Flood, medium probability (P2) | 0% | 2.9% | 3.5% |
| Flood, low probability (P1) | 0.8% | 12.4% | 5.7% |
| Residents in P2 flood areas | 0% | 1.6% | 3.2% |
| Buildings in P2 flood areas | 0% | 2.1% | 3.4% |
Questions
Which seismic zone is Ponza in?
Ponza is in seismic zone 3 (the region uses the sub-zones 3B): in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Ponza is in landslide class P3/P4?
According to ISPRA’s mosaic, 42.4% of the territory of Ponza has high or very high landslide hazard (P3 and P4), with 21.9% of the residents. By share of territory with landslide hazard P3-P4, Ponza ranks 1st of 33 municipalities in the province of Latina.
How much of Ponza is in flood scenario P2?
0% of the territory of Ponza is in the flood area of the medium-probability scenario (P2), with 0% of the residents. In the province of Latina, 4 of 33 municipalities have no territory in the P2 flood area.
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 |
|---|---|---|---|
| San Felice Circeo | 3B | 16.5% | 1.2% |
| Ventotene | 3B | 36.5% | 0% |
| Sabaudia | 3B | 0.2% | 3.5% |
| Terracina | 3B | 7.3% | 8.4% |
| Pontinia | 3B | 0.1% | 6% |
| Sperlonga | 3B | 13.7% | 0.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on