Buying a home in Castell’Azzara
1,311 residents at the 2021 census, 1,952 buildings and 64.2 km² of territory, Toscana.
Castell’Azzara is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 32.2% of the territory of Castell’Azzara has high or very high landslide hazard (P3 and P4), with 6.1% of the residents. 1.1% of the territory of Castell’Azzara is in the flood area of the medium-probability scenario (P2), with 3.4% of the residents.
Find your address in Castell’Azzara
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Castell’Azzara compared
| ISPRA indicator | Castell'Azzara | GR | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 5.5% | 5.1% | 4.6% |
| Landslide, high hazard (P3) | 26.7% | 18.6% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 6.1% | 6.9% | 5% |
| Buildings in landslide areas P3-P4 | 10% | 11.1% | 8.1% |
| Flood, high probability (P3) | 0.9% | 9.5% | 6.2% |
| Flood, medium probability (P2) | 1.1% | 15.2% | 12.2% |
| Flood, low probability (P1) | 1.7% | 28.5% | 21.2% |
| Residents in P2 flood areas | 3.4% | 8.8% | 25.6% |
| Buildings in P2 flood areas | 1.9% | 8.8% | 22.2% |
Questions
Which seismic zone is Castell’Azzara in?
Castell’Azzara is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Castell’Azzara is in landslide class P3/P4?
According to ISPRA’s mosaic, 32.2% of the territory of Castell’Azzara has high or very high landslide hazard (P3 and P4), with 6.1% of the residents. By share of territory with landslide hazard P3-P4, Castell’Azzara ranks 10th of 28 municipalities in the province of Grosseto.
How much of Castell’Azzara is in flood scenario P2?
1.1% of the territory of Castell’Azzara is in the flood area of the medium-probability scenario (P2), with 3.4% of the residents. By share of territory in the P2 flood area, Castell’Azzara ranks 27th of 28 municipalities in the province of Grosseto.
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 |
|---|---|---|---|
| Sorano | 3 | 13.8% | 1.3% |
| Piancastagnaio | 2 | 15.3% | 1.6% |
| Proceno | 2B | 11.4% | 4.7% |
| Semproniano | 3 | 62.3% | 3.1% |
| Santa Fiora | 2 | 44.3% | 0.9% |
| Onano | 2B | 0.7% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on