Buying a home in Mazzo di Valtellina
1,028 residents at the 2021 census, 1,127 buildings and 15.3 km² of territory, Lombardia.
Mazzo di Valtellina is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 3.1% of the territory of Mazzo di Valtellina has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. 4% of the territory of Mazzo di Valtellina is in the flood area of the medium-probability scenario (P2), with 1.7% of the residents.
Find your address in Mazzo di Valtellina
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Mazzo di Valtellina compared
| ISPRA indicator | Mazzo di Valtellina | SO | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.4% | 6.4% | 3.7% |
| Landslide, high hazard (P3) | 2.7% | 8.2% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.1% | 3.2% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.1% | 4.1% | 1.1% |
| Flood, high probability (P3) | 1% | 3.6% | 7.9% |
| Flood, medium probability (P2) | 4% | 4.7% | 10.2% |
| Flood, low probability (P1) | 11.6% | 9% | 20.3% |
| Residents in P2 flood areas | 1.7% | 5% | 4.4% |
| Buildings in P2 flood areas | 1.9% | 4.3% | 4.7% |
Questions
Which seismic zone is Mazzo di Valtellina in?
Mazzo di Valtellina is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Mazzo di Valtellina is in landslide class P3/P4?
According to ISPRA’s mosaic, 3.1% of the territory of Mazzo di Valtellina has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. By share of territory with landslide hazard P3-P4, Mazzo di Valtellina ranks 66th of 77 municipalities in the province of Sondrio.
How much of Mazzo di Valtellina is in flood scenario P2?
4% of the territory of Mazzo di Valtellina is in the flood area of the medium-probability scenario (P2), with 1.7% of the residents. By share of territory in the P2 flood area, Mazzo di Valtellina ranks 40th of 77 municipalities in the province of Sondrio.
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 |
|---|---|---|---|
| Tovo di Sant’Agata | 3 | 2.8% | 4.1% |
| Vervio | 3 | 2.4% | 3.8% |
| Lovero | 3 | 8.6% | 4.8% |
| Grosotto | 3 | 8.6% | 2.9% |
| Sernio | 3 | 20.3% | 5% |
| Monno | 3 | 14.5% | 1.9% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on