Buying a home in Castel San Giorgio
13,655 residents at the 2021 census, 1,894 buildings and 13.6 km² of territory, Campania.
Castel San Giorgio is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 37.4% of the territory of Castel San Giorgio has high or very high landslide hazard (P3 and P4), with 4.8% of the residents. 15.9% of the territory of Castel San Giorgio is in the flood area of the medium-probability scenario (P2), with 10.3% of the residents.
Find your address in Castel San Giorgio
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Castel San Giorgio compared
| ISPRA indicator | Castel San Giorgio | SA | Campania |
|---|---|---|---|
| Landslide, very high hazard (P4) | 6% | 5.8% | 9.5% |
| Landslide, high hazard (P3) | 31.4% | 16.8% | 10.1% |
| Landslide, areas of attention | 0% | 23.3% | 22% |
| Residents in landslide areas P3-P4 | 4.8% | 8.3% | 4.7% |
| Buildings in landslide areas P3-P4 | 5.4% | 13.2% | 9.2% |
| Flood, high probability (P3) | 3% | 2% | 2.5% |
| Flood, medium probability (P2) | 15.9% | 3.7% | 5.7% |
| Flood, low probability (P1) | 16.1% | 4% | 6.2% |
| Residents in P2 flood areas | 10.3% | 10% | 5.1% |
| Buildings in P2 flood areas | 11.7% | 6.5% | 5.9% |
Questions
Which seismic zone is Castel San Giorgio in?
Castel San Giorgio is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Castel San Giorgio is in landslide class P3/P4?
According to ISPRA’s mosaic, 37.4% of the territory of Castel San Giorgio has high or very high landslide hazard (P3 and P4), with 4.8% of the residents. By share of territory with landslide hazard P3-P4, Castel San Giorgio ranks 42nd of 158 municipalities in the province of Salerno.
How much of Castel San Giorgio is in flood scenario P2?
15.9% of the territory of Castel San Giorgio is in the flood area of the medium-probability scenario (P2), with 10.3% of the residents. By share of territory in the P2 flood area, Castel San Giorgio ranks 8th of 158 municipalities in the province of Salerno.
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 |
|---|---|---|---|
| Roccapiemonte | 2 | 39.9% | 14.8% |
| Siano | 2 | 78% | 2.5% |
| Mercato San Severino | 2 | 45.3% | 12.3% |
| Nocera Superiore | 2 | 40.3% | 16.4% |
| Bracigliano | 2 | 65.1% | 9% |
| Nocera Inferiore | 2 | 23.7% | 22.7% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on