Buying a home in Asciano
6,812 residents at the 2021 census, 3,702 buildings and 215.6 km² of territory, Toscana.
Asciano is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 31.5% of the territory of Asciano has high or very high landslide hazard (P3 and P4), with 5.1% of the residents. 10.3% of the territory of Asciano is in the flood area of the medium-probability scenario (P2), with 14.2% of the residents.
Find your address in Asciano
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Asciano compared
| ISPRA indicator | Asciano | SI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 10.4% | 4.7% | 4.6% |
| Landslide, high hazard (P3) | 21.1% | 14.1% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 5.1% | 5.2% | 5% |
| Buildings in landslide areas P3-P4 | 6.3% | 5.9% | 8.1% |
| Flood, high probability (P3) | 3.4% | 3.9% | 6.2% |
| Flood, medium probability (P2) | 10.3% | 8.9% | 12.2% |
| Flood, low probability (P1) | 20.3% | 15.8% | 21.2% |
| Residents in P2 flood areas | 14.2% | 5.1% | 25.6% |
| Buildings in P2 flood areas | 11.5% | 4.8% | 22.2% |
Questions
Which seismic zone is Asciano in?
Asciano is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Asciano is in landslide class P3/P4?
According to ISPRA’s mosaic, 31.5% of the territory of Asciano has high or very high landslide hazard (P3 and P4), with 5.1% of the residents. By share of territory with landslide hazard P3-P4, Asciano ranks 8th of 35 municipalities in the province of Siena.
How much of Asciano is in flood scenario P2?
10.3% of the territory of Asciano is in the flood area of the medium-probability scenario (P2), with 14.2% of the residents. By share of territory in the P2 flood area, Asciano ranks 11th 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 |
|---|---|---|---|
| Rapolano Terme | 3 | 12.3% | 11.3% |
| Buonconvento | 3 | 19.3% | 20.3% |
| Monteroni d’Arbia | 3 | 4.5% | 13.3% |
| Trequanda | 3 | 33.4% | 0.8% |
| Castelnuovo Berardenga | 3 | 9.2% | 9% |
| Lucignano | 3 | 6.2% | 18.5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on