Earthquakes in San Didero
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is this area?
Medium-low seismicity: strong quakes are rare, but not impossible.
Official Civil Protection classification (upd. 2025), used for building codes.
Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.134 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Didero plus nearby towns.
The seismic history of San Didero
The earthquakes that were actually felt in San Didero over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005II8 September 2005
Very light: felt only by a few people at rest, on upper floors.
Massif du Mont-Blanc earthquake (M4.4), epicentre 104 km away
- 2005III-IV12 June 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Val di Susa earthquake (M3.8), epicentre 5 km away
- 1887V23 February 1887
Rather strong: felt by almost everyone; hanging objects swing.
Liguria occidentale earthquake (M6.3), epicentre 151 km away
Source: Italian Macroseismic Database DBMI15 (INGV, CC BY 4.0).
The great earthquakes in this area's history
Almost a thousand years of catalogues: the strongest documented events within ~50 km.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town lies about 28 km from Western Piemonte, one of the seismic structures mapped by INGV geologists.
Faults are mapped to build better and understand the territory: knowing them says nothing about when an earthquake will occur, which remains unpredictable. Source: DISS 3.3 (INGV, CC BY 4.0).
Area over time
Earthquake map
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
San Didero is about average for its province in recorded quakes.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Torino12 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in San Didero?
Yes: today the San Didero area (town and surroundings) recorded 1 quakes; the most recent 4 hours ago.
Is San Didero a seismic area?
San Didero is classified in seismic zone 3 by the Civil Protection. Medium-low seismicity: strong quakes are rare, but not impossible.
What was the strongest earthquake near San Didero?
In the last ~12 years of INGV data, the strongest within 30 km of San Didero was magnitude 3.7, in 2016.
When was the last quake near San Didero?
The last quake recorded within 30 km of San Didero was 4 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)