Buying a home in Colle di Val d’Elsa
21,677 residents at the 2021 census, 6,092 buildings and 92 km² of territory, Toscana.
Colle di Val d’Elsa is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 10.2% of the territory of Colle di Val d’Elsa has high or very high landslide hazard (P3 and P4), with 4.5% of the residents. 0.3% of the territory of Colle di Val d’Elsa is in the flood area of the medium-probability scenario (P2), with 0.1% of the residents.
Find your address in Colle di Val d’Elsa
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Colle di Val d’Elsa compared
| ISPRA indicator | Colle di Val d'Elsa | SI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1.8% | 4.7% | 4.6% |
| Landslide, high hazard (P3) | 8.4% | 14.1% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 4.5% | 5.2% | 5% |
| Buildings in landslide areas P3-P4 | 1% | 5.9% | 8.1% |
| Flood, high probability (P3) | 0.3% | 3.9% | 6.2% |
| Flood, medium probability (P2) | 0.3% | 8.9% | 12.2% |
| Flood, low probability (P1) | 9.8% | 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 Colle di Val d’Elsa in?
Colle di Val d’Elsa is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Colle di Val d’Elsa is in landslide class P3/P4?
According to ISPRA’s mosaic, 10.2% of the territory of Colle di Val d’Elsa has high or very high landslide hazard (P3 and P4), with 4.5% of the residents. By share of territory with landslide hazard P3-P4, Colle di Val d’Elsa ranks 24th of 35 municipalities in the province of Siena.
How much of Colle di Val d’Elsa is in flood scenario P2?
0.3% of the territory of Colle di Val d’Elsa 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, Colle di Val d’Elsa ranks 34th 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 |
|---|---|---|---|
| Casole d’Elsa | 3 | 19.6% | 4.5% |
| Poggibonsi | 3 | 10.3% | 7.1% |
| San Gimignano | 3 | 18.7% | 2.7% |
| Monteriggioni | 3 | 2.4% | 3.4% |
| Volterra | 3 | 20.2% | 5.6% |
| Castellina in Chianti | 3 | 16.5% | 1.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on