Buying a home in Chianni
1,315 residents at the 2021 census, 1,759 buildings and 62 km² of territory, Toscana.
Chianni is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 24.4% of the territory of Chianni has high or very high landslide hazard (P3 and P4), with 6.8% of the residents. 3.1% of the territory of Chianni is in the flood area of the medium-probability scenario (P2), with 1.3% of the residents.
Find your address in Chianni
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Chianni compared
| ISPRA indicator | Chianni | PI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 4.4% | 4.3% | 4.6% |
| Landslide, high hazard (P3) | 20% | 14.9% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 6.8% | 2.8% | 5% |
| Buildings in landslide areas P3-P4 | 6.5% | 3.7% | 8.1% |
| Flood, high probability (P3) | 1% | 11.2% | 6.2% |
| Flood, medium probability (P2) | 3.1% | 24.1% | 12.2% |
| Flood, low probability (P1) | 10.4% | 36.2% | 21.2% |
| Residents in P2 flood areas | 1.3% | 42% | 25.6% |
| Buildings in P2 flood areas | 2% | 37.9% | 22.2% |
Questions
Which seismic zone is Chianni in?
Chianni is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Chianni is in landslide class P3/P4?
According to ISPRA’s mosaic, 24.4% of the territory of Chianni has high or very high landslide hazard (P3 and P4), with 6.8% of the residents. By share of territory with landslide hazard P3-P4, Chianni ranks 11th of 37 municipalities in the province of Pisa.
How much of Chianni is in flood scenario P2?
3.1% of the territory of Chianni is in the flood area of the medium-probability scenario (P2), with 1.3% of the residents. By share of territory in the P2 flood area, Chianni ranks 35th of 37 municipalities in the province of Pisa.
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 |
|---|---|---|---|
| Lajatico | 3 | 15.2% | 8.2% |
| Terricciola | 3 | 19.9% | 12.6% |
| Santa Luce | 3 | 43.1% | 14.4% |
| Riparbella | 3 | 33.3% | 7.9% |
| Castellina Marittima | 3 | 30.7% | 7.3% |
| Casciana Terme Lari | 3 | 23.1% | 15.4% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on