Buying a home in Trecastelli
7,442 residents at the 2021 census, 2,400 buildings and 39.3 km² of territory, Marche.
Trecastelli is in seismic zone 2: in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 5.5% of the territory of Trecastelli has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 6.6% of the territory of Trecastelli is in the flood area of the medium-probability scenario (P2), with 6.6% of the residents.
Find your address in Trecastelli
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Trecastelli compared
| ISPRA indicator | Trecastelli | AN | Marche |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 0.2% | 0.7% |
| Landslide, high hazard (P3) | 5.5% | 8.7% | 6.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.3% | 2.6% | 1.9% |
| Buildings in landslide areas P3-P4 | 0.9% | 3.1% | 2.7% |
| Flood, high probability (P3) | -1% | 0% | 0.1% |
| Flood, medium probability (P2) | 6.6% | 3.3% | 2.7% |
| Flood, low probability (P1) | 6.6% | 4.4% | 4% |
| Residents in P2 flood areas | 6.6% | 4.6% | 5.2% |
| Buildings in P2 flood areas | 6.6% | 5.9% | 5.7% |
Questions
Which seismic zone is Trecastelli in?
Trecastelli is in seismic zone 2: in this zone strong earthquakes are possible.
How much of Trecastelli is in landslide class P3/P4?
According to ISPRA’s mosaic, 5.5% of the territory of Trecastelli has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. By share of territory with landslide hazard P3-P4, Trecastelli ranks 35th of 47 municipalities in the province of Ancona.
How much of Trecastelli is in flood scenario P2?
6.6% of the territory of Trecastelli is in the flood area of the medium-probability scenario (P2), with 6.6% of the residents. By share of territory in the P2 flood area, Trecastelli ranks 11th of 47 municipalities in the province of Ancona.
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 |
|---|---|---|---|
| Monte Porzio | 2 | 20.3% | 3% |
| Corinaldo | 2 | 11.8% | 3.5% |
| Mondolfo | 2 | 0.8% | 7.8% |
| Senigallia | 2 | 4.8% | 8.8% |
| San Costanzo | 2 | 12.3% | 0% |
| Ostra | 2 | 8% | 6.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on