Earthquakes in Castelletto Stura
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 = 0.107 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castelletto Stura plus nearby towns.
The seismic history of Castelletto Stura
The earthquakes that were actually felt in Castelletto Stura over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 55 km away
- 1993IV15 March 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Cuneese earthquake (M4.1), epicentre 22 km away
- 1989III26 December 1989
Light: felt by few people, like a passing truck.
Mar Ligure earthquake (M4.5), epicentre 103 km away
- 1966II7 April 1966
Very light: felt only by a few people at rest, on upper floors.
Cuneese earthquake (M4.5), epicentre 28 km away
- 1887VI-VII23 February 1887
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Liguria occidentale earthquake (M6.3), epicentre 66 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 21 km from Southern 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?
Castelletto Stura is among the quietest towns of its province: very few epicentres are recorded here.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Cuneo20 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Castelletto Stura?
No, no quakes were recorded today in the Castelletto Stura area: the latest nearby dates back to 3 months ago.
Is Castelletto Stura a seismic area?
Castelletto Stura 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 Castelletto Stura?
In the last ~12 years of INGV data, the strongest within 30 km of Castelletto Stura was magnitude 3.5, in 2016.
When was the last quake near Castelletto Stura?
The last quake recorded within 30 km of Castelletto Stura was 2 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)