Buying a home in Colli del Tronto
3,624 residents at the 2021 census, 922 buildings and 5.9 km² of territory, Marche.
Colli del Tronto is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 4.7% of the territory of Colli del Tronto has high or very high landslide hazard (P3 and P4), with 0.3% of the residents. 20.2% of the territory of Colli del Tronto is in the flood area of the medium-probability scenario (P2), with 3.7% of the residents.
Find your address in Colli del Tronto
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Colli del Tronto compared
| ISPRA indicator | Colli del Tronto | AP | Marche |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.6% | 0.7% |
| Landslide, high hazard (P3) | 4.7% | 5.2% | 6.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.3% | 1.3% | 1.9% |
| Buildings in landslide areas P3-P4 | 0.1% | 2.7% | 2.7% |
| Flood, high probability (P3) | 6% | 0.8% | 0.1% |
| Flood, medium probability (P2) | 20.2% | 3.6% | 2.7% |
| Flood, low probability (P1) | 20.2% | 4.9% | 4% |
| Residents in P2 flood areas | 3.7% | 8.5% | 5.2% |
| Buildings in P2 flood areas | 4.4% | 9.3% | 5.7% |
Questions
Which seismic zone is Colli del Tronto in?
Colli del Tronto is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Colli del Tronto is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.7% of the territory of Colli del Tronto has high or very high landslide hazard (P3 and P4), with 0.3% of the residents. By share of territory with landslide hazard P3-P4, Colli del Tronto ranks 17th of 33 municipalities in the province of Ascoli Piceno.
How much of Colli del Tronto is in flood scenario P2?
20.2% of the territory of Colli del Tronto is in the flood area of the medium-probability scenario (P2), with 3.7% of the residents. By share of territory in the P2 flood area, Colli del Tronto ranks 3rd of 33 municipalities in the province of Ascoli Piceno.
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 |
|---|---|---|---|
| Castorano | 2 | 6.1% | 0.2% |
| Spinetoli | 2 | 3.1% | 52.1% |
| Castel di Lama | 2 | 13.7% | 2% |
| Ancarano | 2 | 13.8% | 5.6% |
| Monsampolo del Tronto | 2 | 0.2% | 17.1% |
| Torano Nuovo | 2 | 31.3% | 2.2% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on