Buying a home in Rio
3,315 residents at the 2021 census, 3,264 buildings and 36.5 km² of territory, Toscana.
Rio is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 39.8% of the territory of Rio has high or very high landslide hazard (P3 and P4), with 39% of the residents. 9.4% of the territory of Rio is in the flood area of the medium-probability scenario (P2), with 26.3% of the residents.
Find your address in Rio
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Rio compared
| ISPRA indicator | Rio | LI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 11% | 1.9% | 4.6% |
| Landslide, high hazard (P3) | 28.8% | 7.4% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 39% | 2.3% | 5% |
| Buildings in landslide areas P3-P4 | 32.3% | 4% | 8.1% |
| Flood, high probability (P3) | 9.4% | 10.2% | 6.2% |
| Flood, medium probability (P2) | 9.4% | 19.9% | 12.2% |
| Flood, low probability (P1) | 9.5% | 44.3% | 21.2% |
| Residents in P2 flood areas | 26.3% | 10.6% | 25.6% |
| Buildings in P2 flood areas | 28.4% | 15.8% | 22.2% |
Questions
Which seismic zone is Rio in?
Rio is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Rio is in landslide class P3/P4?
According to ISPRA’s mosaic, 39.8% of the territory of Rio has high or very high landslide hazard (P3 and P4), with 39% of the residents. By share of territory with landslide hazard P3-P4, Rio ranks 1st of 19 municipalities in the province of Livorno.
How much of Rio is in flood scenario P2?
9.4% of the territory of Rio is in the flood area of the medium-probability scenario (P2), with 26.3% of the residents. By share of territory in the P2 flood area, Rio ranks 16th of 19 municipalities in the province of Livorno.
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 |
|---|---|---|---|
| Porto Azzurro | 4 | 1.9% | 14.2% |
| Capoliveri | 4 | 2.2% | 12.1% |
| Marciana Marina | 4 | 31.6% | 13.5% |
| Piombino | 4 | 7.9% | 36.2% |
| Marciana | 4 | 4.5% | 6.9% |
| Campiglia Marittima | 4 | 20.4% | 48.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
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