Buying a home in Pietra Marazzi
867 residents at the 2021 census, 767 buildings and 8 km² of territory, Piemonte.
Pietra Marazzi is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 8.7% of the territory of Pietra Marazzi has high or very high landslide hazard (P3 and P4), with 24.6% of the residents. 53.5% of the territory of Pietra Marazzi is in the flood area of the medium-probability scenario (P2), with 10.4% of the residents.
Find your address in Pietra Marazzi
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Pietra Marazzi compared
| ISPRA indicator | Pietra Marazzi | AL | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 6% | 2.7% | 3.1% |
| Landslide, high hazard (P3) | 2.6% | 3.9% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 24.6% | 1.1% | 1.8% |
| Buildings in landslide areas P3-P4 | 12.5% | 3.8% | 4.4% |
| Flood, high probability (P3) | 53.5% | 9.2% | 5.1% |
| Flood, medium probability (P2) | 53.5% | 11.9% | 8.3% |
| Flood, low probability (P1) | 54.2% | 19.5% | 13% |
| Residents in P2 flood areas | 10.4% | 3.2% | 4.9% |
| Buildings in P2 flood areas | 12.2% | 4% | 5.8% |
Questions
Which seismic zone is Pietra Marazzi in?
Pietra Marazzi is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Pietra Marazzi is in landslide class P3/P4?
According to ISPRA’s mosaic, 8.7% of the territory of Pietra Marazzi has high or very high landslide hazard (P3 and P4), with 24.6% of the residents. By share of territory with landslide hazard P3-P4, Pietra Marazzi ranks 53rd of 187 municipalities in the province of Alessandria.
How much of Pietra Marazzi is in flood scenario P2?
53.5% of the territory of Pietra Marazzi is in the flood area of the medium-probability scenario (P2), with 10.4% of the residents. By share of territory in the P2 flood area, Pietra Marazzi ranks 7th of 187 municipalities in the province of Alessandria.
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 |
|---|---|---|---|
| Montecastello | 3 | 6% | 50.7% |
| Alessandria | 3 | 0.3% | 17.8% |
| Rivarone | 3 | 1.9% | 54.4% |
| Pecetto di Valenza | 4 | 1.9% | 1.8% |
| Alluvioni Piovera | 3 | 0% | 12.3% |
| Bassignana | 4 | 0.2% | 59.2% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on