Buying a home in San Casciano dei Bagni
1,516 residents at the 2021 census, 1,994 buildings and 92.1 km² of territory, Toscana.
San Casciano dei Bagni is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 13.4% of the territory of San Casciano dei Bagni has high or very high landslide hazard (P3 and P4), with 10.4% of the residents. 1.4% of the territory of San Casciano dei Bagni is in the flood area of the medium-probability scenario (P2), with 0.1% of the residents.
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San Casciano dei Bagni compared
| ISPRA indicator | San Casciano dei Bagni | SI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 4.7% | 4.6% |
| Landslide, high hazard (P3) | 13.4% | 14.1% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 10.4% | 5.2% | 5% |
| Buildings in landslide areas P3-P4 | 8.9% | 5.9% | 8.1% |
| Flood, high probability (P3) | 1.4% | 3.9% | 6.2% |
| Flood, medium probability (P2) | 1.4% | 8.9% | 12.2% |
| Flood, low probability (P1) | 1.4% | 15.8% | 21.2% |
| Residents in P2 flood areas | 0.1% | 5.1% | 25.6% |
| Buildings in P2 flood areas | 0.1% | 4.8% | 22.2% |
Questions
Which seismic zone is San Casciano dei Bagni in?
San Casciano dei Bagni is in seismic zone 2: in this zone strong earthquakes are possible.
How much of San Casciano dei Bagni is in landslide class P3/P4?
According to ISPRA’s mosaic, 13.4% of the territory of San Casciano dei Bagni has high or very high landslide hazard (P3 and P4), with 10.4% of the residents. By share of territory with landslide hazard P3-P4, San Casciano dei Bagni ranks 18th of 35 municipalities in the province of Siena.
How much of San Casciano dei Bagni is in flood scenario P2?
1.4% of the territory of San Casciano dei Bagni is in the flood area of the medium-probability scenario (P2), with 0.1% of the residents. By share of territory in the P2 flood area, San Casciano dei Bagni ranks 27th of 35 municipalities in the province of Siena.
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 |
|---|---|---|---|
| Proceno | 2B | 11.4% | 4.7% |
| Acquapendente | 2B | 23% | 1.6% |
| Radicofani | 2 | 13.3% | 0.3% |
| Cetona | 3 | 16.3% | 6.5% |
| Allerona | 3 | 20.2% | 0.5% |
| Fabro | 3 | 4.5% | 15.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on