Free municipal consortium of Trapani
Natural hazards and seismic zone municipality by municipality, for home buyers.
According to ISPRA’s mosaic, 3.7% of the territory of the free municipal consortium of Trapani has high or very high landslide hazard (P3 and P4), with 1.6% of the residents. 0.9% of the territory of the free municipal consortium of Trapani is in the flood area of the medium-probability scenario (P2), with 0.6% of the residents. Among Italy’s 107 provinces it ranks 66th for landslide hazard P3-P4 and 104th for flood area (P2).
Municipalities by seismic zone: 6 in zone 1, 18 in zone 2, 1 in zone 4.
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Municipalities by share of territory in landslide class P3/P4
| Favignana | 28.4% |
|---|---|
| San Vito Lo Capo | 24.8% |
| Custonaci | 21% |
| Castellammare del Golfo | 14.7% |
| Erice | 13.5% |
| Pantelleria | 10% |
| Poggioreale | 4.7% |
| Salaparuta | 3.8% |
| Alcamo | 3.3% |
| Santa Ninfa | 3% |
Municipalities by share of territory in flood scenario P2
| Salaparuta | 9.6% |
|---|---|
| Castelvetrano | 4.9% |
| Poggioreale | 3.2% |
| Partanna | 1.7% |
| Misiliscemi | 1.6% |
| Marsala | 0.9% |
| Castellammare del Golfo | 0.7% |
| Paceco | 0.6% |
| Gibellina | 0.4% |
| Mazara del Vallo | 0.3% |
All 25 municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Alcamo | 2 | 3.3% | 0.2% |
| Buseto Palizzolo | 2 | 0.4% | 0% |
| Calatafimi-Segesta | 2 | 2.5% | 0.1% |
| Campobello di Mazara | 2 | 0.1% | 0.1% |
| Castellammare del Golfo | 2 | 14.7% | 0.7% |
| Castelvetrano | 2 | 0.1% | 4.9% |
| Custonaci | 2 | 21% | 0% |
| Erice | 2 | 13.5% | 0.3% |
| Favignana | 2 | 28.4% | 0% |
| Gibellina | 1 | 0.3% | 0.4% |
| Marsala | 2 | 0.2% | 0.9% |
| Mazara del Vallo | 2 | 0% | 0.3% |
| Misiliscemi | 2 | 0% | 1.6% |
| Paceco | 2 | 0% | 0.6% |
| Pantelleria | 4 | 10% | 0% |
| Partanna | 1 | 0.1% | 1.7% |
| Petrosino | 2 | 0% | 0% |
| Poggioreale | 1 | 4.7% | 3.2% |
| Salaparuta | 1 | 3.8% | 9.6% |
| Salemi | 1 | 0.2% | 0% |
| San Vito Lo Capo | 2 | 24.8% | 0% |
| Santa Ninfa | 1 | 3% | 0% |
| Trapani | 2 | 0% | 0% |
| Valderice | 2 | 2.8% | 0% |
| Vita | 2 | 0.2% | 0% |
Landslides and floods in the province
| ISPRA indicator | TP | Sicilia |
|---|---|---|
| Landslide, very high hazard (P4) | 3.5% | 2.2% |
| Landslide, high hazard (P3) | 0.2% | 0.8% |
| Landslide, areas of attention | 0.7% | 1.4% |
| Residents in landslide areas P3-P4 | 1.6% | 1.9% |
| Buildings in landslide areas P3-P4 | 2.4% | 2.4% |
| Flood, high probability (P3) | 0.9% | 1.6% |
| Flood, medium probability (P2) | 0.9% | 1.9% |
| Flood, low probability (P1) | 1% | 2.2% |
| Residents in P2 flood areas | 0.6% | 2.6% |
| Buildings in P2 flood areas | 0.7% | 2.3% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on