Area of the former province of Trieste
Natural hazards and seismic zone municipality by municipality, for home buyers.
According to ISPRA’s mosaic, 0.6% of the territory of the former province of Trieste has high or very high landslide hazard (P3 and P4), with 0.3% of the residents. 1% of the territory of the former province of Trieste is in the flood area of the medium-probability scenario (P2), with 0.9% of the residents. Among Italy’s 107 provinces it ranks 90th for landslide hazard P3-P4 and 100th for flood area (P2).
Municipalities by seismic zone: 6 in zone 3.
Find your address
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
See a sample dossier (the town hall of Sanremo, 2 flags)
Municipalities by share of territory in landslide class P3/P4
| Duino Aurisina | 1.4% |
|---|---|
| Muggia | 0.7% |
| Trieste | 0.6% |
| San Dorligo della Valle | 0.4% |
Municipalities by share of territory in flood scenario P2
| Muggia | 3.3% |
|---|---|
| San Dorligo della Valle | 2.9% |
| Duino Aurisina | 1.2% |
| Trieste | 0.5% |
All 6 municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Duino Aurisina | 3 | 1.4% | 1.2% |
| Monrupino | 3 | 0% | 0% |
| Muggia | 3 | 0.7% | 3.3% |
| San Dorligo della Valle | 3 | 0.4% | 2.9% |
| Sgonico | 3 | 0% | 0% |
| Trieste | 3 | 0.6% | 0.5% |
Landslides and floods in the province
| ISPRA indicator | TS | Friuli-Venezia Giulia |
|---|---|---|
| Landslide, very high hazard (P4) | 0.4% | 2% |
| Landslide, high hazard (P3) | 0.2% | 0.5% |
| Landslide, areas of attention | 0% | 0.1% |
| Residents in landslide areas P3-P4 | 0.3% | 0.3% |
| Buildings in landslide areas P3-P4 | 0.2% | 0.6% |
| Flood, high probability (P3) | 0.8% | 9.6% |
| Flood, medium probability (P2) | 1% | 14.6% |
| Flood, low probability (P1) | 2.8% | 21.5% |
| Residents in P2 flood areas | 0.9% | 9.9% |
| Buildings in P2 flood areas | 1.7% | 10.8% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on