Buying a home in Gallese
2,623 residents at the 2021 census, 1,673 buildings and 37.2 km² of territory, Lazio.
Gallese is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 0.2% of the territory of Gallese has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. 7.4% of the territory of Gallese is in the flood area of the medium-probability scenario (P2), with 5.2% of the residents.
Find your address in Gallese
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Gallese compared
| ISPRA indicator | Gallese | VT | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.1% | 0.9% | 4.3% |
| Landslide, high hazard (P3) | 0.1% | 2.7% | 1.2% |
| Landslide, areas of attention | 0% | 1.9% | 8.3% |
| Residents in landslide areas P3-P4 | 1.8% | 4.5% | 1.5% |
| Buildings in landslide areas P3-P4 | 0.8% | 4.1% | 3.2% |
| Flood, high probability (P3) | 6.5% | 2.4% | 2.6% |
| Flood, medium probability (P2) | 7.4% | 3% | 3.5% |
| Flood, low probability (P1) | 7.6% | 3.4% | 5.7% |
| Residents in P2 flood areas | 5.2% | 1% | 3.2% |
| Buildings in P2 flood areas | 4.1% | 1.7% | 3.4% |
Questions
Which seismic zone is Gallese in?
Gallese is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Gallese is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.2% of the territory of Gallese has high or very high landslide hazard (P3 and P4), with 1.8% of the residents. By share of territory with landslide hazard P3-P4, Gallese ranks 47th of 60 municipalities in the province of Viterbo.
How much of Gallese is in flood scenario P2?
7.4% of the territory of Gallese is in the flood area of the medium-probability scenario (P2), with 5.2% of the residents. By share of territory in the P2 flood area, Gallese ranks 7th of 60 municipalities in the province of Viterbo.
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 |
|---|---|---|---|
| Corchiano | 3A | 0.2% | 0% |
| Vasanello | 2B | 0.1% | 0% |
| Magliano Sabina | 2B | 4.3% | 22% |
| Orte | 2B | 3.7% | 18.3% |
| Vignanello | 3A | 0.1% | 0% |
| Fabrica di Roma | 3A | 5% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on