Buying a home in Collelongo
1,122 residents at the 2021 census, 644 buildings and 54 km² of territory, Abruzzo.
Collelongo is in seismic zone 1: the most hazardous zone: the probability of a strong earthquake is high. According to ISPRA’s mosaic, 23.2% of the territory of Collelongo has high or very high landslide hazard (P3 and P4), with 19.2% of the residents. 2.4% of the territory of Collelongo is in the flood area of the medium-probability scenario (P2), with 3.9% of the residents.
Find your address in Collelongo
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Collelongo compared
| ISPRA indicator | Collelongo | AQ | Abruzzo |
|---|---|---|---|
| Landslide, very high hazard (P4) | 23.2% | 6.8% | 5.8% |
| Landslide, high hazard (P3) | 0% | 4.5% | 9.6% |
| Landslide, areas of attention | 49% | 6.7% | 3.1% |
| Residents in landslide areas P3-P4 | 19.2% | 5.7% | 5.1% |
| Buildings in landslide areas P3-P4 | 25.2% | 7.9% | 7.4% |
| Flood, high probability (P3) | 2.4% | 1.1% | 1.3% |
| Flood, medium probability (P2) | 2.4% | 2% | 2.2% |
| Flood, low probability (P1) | 2.4% | 2.3% | 4% |
| Residents in P2 flood areas | 3.9% | 3% | 7.2% |
| Buildings in P2 flood areas | 3.8% | 2.7% | 3.7% |
Questions
Which seismic zone is Collelongo in?
Collelongo is in seismic zone 1: the most hazardous zone: the probability of a strong earthquake is high.
How much of Collelongo is in landslide class P3/P4?
According to ISPRA’s mosaic, 23.2% of the territory of Collelongo has high or very high landslide hazard (P3 and P4), with 19.2% of the residents. By share of territory with landslide hazard P3-P4, Collelongo ranks 18th of 108 municipalities in the province of L’Aquila.
How much of Collelongo is in flood scenario P2?
2.4% of the territory of Collelongo is in the flood area of the medium-probability scenario (P2), with 3.9% of the residents. By share of territory in the P2 flood area, Collelongo ranks 26th of 108 municipalities in the province of L’Aquila.
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 |
|---|---|---|---|
| Trasacco | 1 | 11.1% | 11.3% |
| San Vincenzo Valle Roveto | 1 | 39.9% | 1.7% |
| Ortucchio | 1 | 12.3% | 3.5% |
| Civita d’Antino | 1 | 45.7% | 1.3% |
| Villavallelonga | 1 | 28.8% | 2.5% |
| Balsorano | 1 | 46.5% | 0.5% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on