Earthquakes in Châtillon
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 = 0.068 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Châtillon plus nearby towns.
The seismic history of Châtillon
The earthquakes that were actually felt in Châtillon over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1980III5 January 1980
Light: felt by few people, like a passing truck.
Torinese earthquake (M4.8), epicentre 87 km away
- 1912V31 May 1912
Rather strong: felt by almost everyone; hanging objects swing.
Canavese earthquake (M4.7), epicentre 27 km away
- 1905V29 April 1905
Rather strong: felt by almost everyone; hanging objects swing.
Haute-Savoie, Vallorcine earthquake (M5.1), epicentre 55 km away
- 1892VI5 March 1892
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle d'Aosta earthquake (M5.0), epicentre 25 km away
- 1887III-IV23 February 1887
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M6.3), epicentre 210 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 50 km from Western Valais, 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?
Châtillon 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 Aosta3 events · 30gAosta Valley region3 events · 30gFrequently asked questions
Were there earthquakes today in Châtillon?
No, no quakes were recorded today in the Châtillon area: the latest nearby dates back to 1 month ago.
Is Châtillon a seismic area?
Châtillon 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 Châtillon?
In the last ~12 years of INGV data, the strongest within 30 km of Châtillon was magnitude 3.9, in 2021.
When was the last quake near Châtillon?
The last quake recorded within 30 km of Châtillon was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)