Buying a home in Trecchina
2,182 residents at the 2021 census, 1,047 buildings and 38.2 km² of territory, Basilicata.
Trecchina is in seismic zone 2 (the region uses the sub-zones 2a): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 6.6% of the territory of Trecchina has high or very high landslide hazard (P3 and P4), with 8.8% of the residents. 2.5% of the territory of Trecchina is in the flood area of the medium-probability scenario (P2), with 0.7% of the residents.
Find your address in Trecchina
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Trecchina compared
| ISPRA indicator | Trecchina | PZ | Basilicata |
|---|---|---|---|
| Landslide, very high hazard (P4) | 3.3% | 3.4% | 2.7% |
| Landslide, high hazard (P3) | 3.2% | 3.8% | 3.4% |
| Landslide, areas of attention | 0% | 9% | 5.9% |
| Residents in landslide areas P3-P4 | 8.8% | 8.4% | 7% |
| Buildings in landslide areas P3-P4 | 9.7% | 8.5% | 7.3% |
| Flood, high probability (P3) | 1.7% | 1.2% | 2.6% |
| Flood, medium probability (P2) | 2.5% | 1.7% | 3.5% |
| Flood, low probability (P1) | 3.1% | 1.8% | 3.8% |
| Residents in P2 flood areas | 0.7% | 0.6% | 1.1% |
| Buildings in P2 flood areas | 0.5% | 0.7% | 1.4% |
Questions
Which seismic zone is Trecchina in?
Trecchina is in seismic zone 2 (the region uses the sub-zones 2a): in this zone strong earthquakes are possible.
How much of Trecchina is in landslide class P3/P4?
According to ISPRA’s mosaic, 6.6% of the territory of Trecchina has high or very high landslide hazard (P3 and P4), with 8.8% of the residents. By share of territory with landslide hazard P3-P4, Trecchina ranks 48th of 100 municipalities in the province of Potenza.
How much of Trecchina is in flood scenario P2?
2.5% of the territory of Trecchina is in the flood area of the medium-probability scenario (P2), with 0.7% of the residents. By share of territory in the P2 flood area, Trecchina ranks 21st of 100 municipalities in the province of Potenza.
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 |
|---|---|---|---|
| Maratea | 2c | 11.8% | 1.4% |
| Tortora | 2 | 9.6% | 5.1% |
| Rivello | 2a | 6.7% | 0.4% |
| Nemoli | 1b | 13.6% | 0.6% |
| Lauria | 1b | 14.8% | 0.2% |
| Sapri | 2 | 42% | 1.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on