Buying a home in Castel Giorgio
2,034 residents at the 2021 census, 1,793 buildings and 42.1 km² of territory, Umbria.
Castel Giorgio is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 1.5% of the territory of Castel Giorgio has high or very high landslide hazard (P3 and P4), with 0.3% of the residents. 0% of the territory of Castel Giorgio is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Castel Giorgio
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Castel Giorgio compared
| ISPRA indicator | Castel Giorgio | TR | Umbria |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.2% | 0.1% |
| Landslide, high hazard (P3) | 1.5% | 6.1% | 5.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.3% | 2.4% | 2.1% |
| Buildings in landslide areas P3-P4 | 0.5% | 4.5% | 3% |
| Flood, high probability (P3) | 0% | 2.9% | 3% |
| Flood, medium probability (P2) | 0% | 3.8% | 4.3% |
| Flood, low probability (P1) | 0% | 4.2% | 6% |
| Residents in P2 flood areas | 0% | 6.9% | 7.2% |
| Buildings in P2 flood areas | 0% | 5.7% | 6.5% |
Questions
Which seismic zone is Castel Giorgio in?
Castel Giorgio is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Castel Giorgio is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.5% of the territory of Castel Giorgio has high or very high landslide hazard (P3 and P4), with 0.3% of the residents. By share of territory with landslide hazard P3-P4, Castel Giorgio ranks 31st of 33 municipalities in the province of Terni.
How much of Castel Giorgio is in flood scenario P2?
0% of the territory of Castel Giorgio is in the flood area of the medium-probability scenario (P2), with 0% of the residents. In the province of Terni, 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 |
|---|---|---|---|
| Castel Viscardo | 3 | 13.3% | 9.7% |
| Bolsena | 2B | 2.3% | 0.9% |
| San Lorenzo Nuovo | 2B | 1.6% | 0% |
| Grotte di Castro | 2B | 1.2% | 0% |
| Porano | 3 | 1.9% | 0% |
| Acquapendente | 2B | 23% | 1.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on