Buying a home in Massa Marittima
8,124 residents at the 2021 census, 4,100 buildings and 283.4 km² of territory, Toscana.
Massa Marittima is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 17.6% of the territory of Massa Marittima has high or very high landslide hazard (P3 and P4), with 5% of the residents. 3.6% of the territory of Massa Marittima is in the flood area of the medium-probability scenario (P2), with 1.6% of the residents.
Find your address in Massa Marittima
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Massa Marittima compared
| ISPRA indicator | Massa Marittima | GR | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 2.6% | 5.1% | 4.6% |
| Landslide, high hazard (P3) | 15% | 18.6% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 5% | 6.9% | 5% |
| Buildings in landslide areas P3-P4 | 6.3% | 11.1% | 8.1% |
| Flood, high probability (P3) | 1.5% | 9.5% | 6.2% |
| Flood, medium probability (P2) | 3.6% | 15.2% | 12.2% |
| Flood, low probability (P1) | 15.7% | 28.5% | 21.2% |
| Residents in P2 flood areas | 1.6% | 8.8% | 25.6% |
| Buildings in P2 flood areas | 2.1% | 8.8% | 22.2% |
Questions
Which seismic zone is Massa Marittima in?
Massa Marittima is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Massa Marittima is in landslide class P3/P4?
According to ISPRA’s mosaic, 17.6% of the territory of Massa Marittima has high or very high landslide hazard (P3 and P4), with 5% of the residents. By share of territory with landslide hazard P3-P4, Massa Marittima ranks 17th of 28 municipalities in the province of Grosseto.
How much of Massa Marittima is in flood scenario P2?
3.6% of the territory of Massa Marittima is in the flood area of the medium-probability scenario (P2), with 1.6% of the residents. By share of territory in the P2 flood area, Massa Marittima ranks 20th 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 |
|---|---|---|---|
| Monterotondo Marittimo | 3 | 30.9% | 11.2% |
| Montieri | 3 | 22.6% | 6.7% |
| Gavorrano | 4 | 9.2% | 21.8% |
| Follonica | 4 | 4.7% | 8.4% |
| Suvereto | 4 | 5% | 13.2% |
| Scarlino | 4 | 2.4% | 19.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on