Earthquakes in Colleretto Castelnuovo
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 = 0.051 g (10% probability of exceedance in 50 years, rigid soil).
Why the ground rarely shakes here
Colleretto Castelnuovo sits in one of the most stable areas of Italy: far from the boundary between the Eurasian and African plates, on ancient, rigid crust that hardly accumulates tectonic stress any more.
That is why earthquakes here are rare and almost always weak: a small geological privilege.
The “area” is Colleretto Castelnuovo plus nearby towns.
The seismic history of Colleretto Castelnuovo
The earthquakes that were actually felt in Colleretto Castelnuovo 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 91 km away
- 2005V5 July 2005
Rather strong: felt by almost everyone; hanging objects swing.
Canavese earthquake (M3.5), epicentre 13 km away
- 1887IV23 February 1887
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M6.3), epicentre 174 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 33 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
23 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Colleretto Castelnuovo 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 Torino12 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Colleretto Castelnuovo?
No, no quakes were recorded today in the Colleretto Castelnuovo area: the latest nearby dates back to 7 months ago.
Is Colleretto Castelnuovo a seismic area?
Colleretto Castelnuovo 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 Colleretto Castelnuovo?
In the last ~12 years of INGV data, the strongest within 30 km of Colleretto Castelnuovo was magnitude 2.7, in 2016.
When was the last quake near Colleretto Castelnuovo?
The last quake recorded within 30 km of Colleretto Castelnuovo was 14 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)