Climate and hazards: seismic zone 3, landslides and floods according to ISPRA
Sondrio is in seismic zone 3 in the Civil Protection classification. ISPRA's IdroGEO indicators point above all to landslide risk: areas of high or very high landslide hazard cover 28.6% of the municipal territory, while areas of high flood hazard cover 7.7%. Temperatures, rainfall and PM10 in the data.
Sections: Seasons · Rainfall · Temperatures · Air quality · Environmental hazards
Seismic risk
In the Civil Protection Department's list of comuni, updated in May 2025, Sondrio is in zone 3, where strong earthquakes are less likely than in zones 1 and 2. The Civil Protection Department notes that the classification is now used mainly for planning and land control, while the design values for buildings depend on the coordinates of each construction.
Landslides and floods
According to the municipal sheet on IdroGEO, ISPRA's platform on hydrogeological instability, areas of high or very high landslide hazard (P3 and P4) cover 28.6% of the comune's roughly 20.9 km², with 357 residents exposed (1.7%); most of the population (76.1%) lives in areas classed as medium landslide hazard (P2). Areas of high flood hazard (P3) cover 7.7% of the territory, with 180 residents; medium flood hazard areas (P2) cover 13.7%, with 1,679 residents (7.8%).
Missing: temp_jan_avg, temp_jul_avg, rain_days_year
Data
Sources
Updated: 2026-10-22
Updated: 2026-10-22
Reviewed: 10/23/2026 · by piero.avolio · rev. 1 · Period: → 2027-10-31
No questions in the community · Ask the community