Buying a home in Follonica
20,607 residents at the 2021 census, 5,499 buildings and 56.2 km² of territory, Toscana.
Follonica is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 4.7% of the territory of Follonica has high or very high landslide hazard (P3 and P4), with 0% of the residents. 8.4% of the territory of Follonica is in the flood area of the medium-probability scenario (P2), with 18% of the residents.
Find your address in Follonica
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Follonica compared
| ISPRA indicator | Follonica | GR | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 5.1% | 4.6% |
| Landslide, high hazard (P3) | 4.7% | 18.6% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 0% | 6.9% | 5% |
| Buildings in landslide areas P3-P4 | 0% | 11.1% | 8.1% |
| Flood, high probability (P3) | 5.6% | 9.5% | 6.2% |
| Flood, medium probability (P2) | 8.4% | 15.2% | 12.2% |
| Flood, low probability (P1) | 42.6% | 28.5% | 21.2% |
| Residents in P2 flood areas | 18% | 8.8% | 25.6% |
| Buildings in P2 flood areas | 21.3% | 8.8% | 22.2% |
Questions
Which seismic zone is Follonica in?
Follonica is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Follonica is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.7% of the territory of Follonica has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Follonica ranks 26th of 28 municipalities in the province of Grosseto.
How much of Follonica is in flood scenario P2?
8.4% of the territory of Follonica is in the flood area of the medium-probability scenario (P2), with 18% of the residents. By share of territory in the P2 flood area, Follonica ranks 13th 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 |
|---|---|---|---|
| Scarlino | 4 | 2.4% | 19.1% |
| Suvereto | 4 | 5% | 13.2% |
| Piombino | 4 | 7.9% | 36.2% |
| Campiglia Marittima | 4 | 20.4% | 48.8% |
| Massa Marittima | 3 | 17.6% | 3.6% |
| Gavorrano | 4 | 9.2% | 21.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on