Buying a home in Terni
107,165 residents at the 2021 census, 23,243 buildings and 212.4 km² of territory, Umbria.
Terni is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 3.5% of the territory of Terni has high or very high landslide hazard (P3 and P4), with 0.8% of the residents. 6.8% of the territory of Terni is in the flood area of the medium-probability scenario (P2), with 10.1% of the residents.
Find your address in Terni
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Terni compared
| ISPRA indicator | Terni | TR | Umbria |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.4% | 0.2% | 0.1% |
| Landslide, high hazard (P3) | 3.1% | 6.1% | 5.8% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.8% | 2.4% | 2.1% |
| Buildings in landslide areas P3-P4 | 2.5% | 4.5% | 3% |
| Flood, high probability (P3) | 4.8% | 2.9% | 3% |
| Flood, medium probability (P2) | 6.8% | 3.8% | 4.3% |
| Flood, low probability (P1) | 8.4% | 4.2% | 6% |
| Residents in P2 flood areas | 10.1% | 6.9% | 7.2% |
| Buildings in P2 flood areas | 11.5% | 5.7% | 6.5% |
Questions
Which seismic zone is Terni in?
Terni is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Terni is in landslide class P3/P4?
According to ISPRA’s mosaic, 3.5% of the territory of Terni has high or very high landslide hazard (P3 and P4), with 0.8% of the residents. By share of territory with landslide hazard P3-P4, Terni ranks 27th of 33 municipalities in the province of Terni, tied with 1 others.
How much of Terni is in flood scenario P2?
6.8% of the territory of Terni is in the flood area of the medium-probability scenario (P2), with 10.1% of the residents. By share of territory in the P2 flood area, Terni ranks 9th of 33 municipalities in the province of Terni.
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 |
|---|---|---|---|
| Montefranco | 1 | 4.6% | 9.4% |
| Arrone | 1 | 5.8% | 4% |
| San Gemini | 2 | 10.3% | 0.2% |
| Stroncone | 2 | 5.2% | 0.9% |
| Ferentillo | 1 | 7.9% | 3.2% |
| Labro | 2B | 0.9% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on