Earthquakes today in Castelletto Stura
Today, within 30 km: no earthquakes recorded (updated at 10:48). Latest: M1.0 on 7 October 2026 at 22:25, 2 km North-West of Monterosso Grana, 10 km deep.
Latest earthquake within 30 km
2 km North-West of Monterosso Grana
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Castelletto Stura: zone 3
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).
“Within 30 km”: epicentres less than 30 km from the centre of Castelletto Stura. “In the town”: quakes whose nearest town to the epicentre is Castelletto Stura.
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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
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 Cuneo37 events · last 30 daysPiedmont region58 events · last 30 daysFrequently asked questions
Were there earthquakes near Castelletto Stura today?
No, no quakes were recorded today within 30 km of Castelletto Stura. The latest dates back to 7 October 2026.
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 INGV catalogue since 2015, the strongest earthquake within 30 km of Castelletto Stura was magnitude 3.5, on 14 March 2016.
When was the last quake near Castelletto Stura?
The last quake recorded within 30 km of Castelletto Stura dates back to 7 October 2026, magnitude 1.0.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)