Earthquakes in Challand-Saint-Anselme
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.057 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Challand-Saint-Anselme plus nearby towns.
The seismic history of Challand-Saint-Anselme
The earthquakes that were actually felt in Challand-Saint-Anselme over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005II-III8 September 2005
Light: felt by few people, like a passing truck.
Massif du Mont-Blanc earthquake (M4.4), epicentre 78 km away · observed at Chatillonet
- 2005NF8 September 2005
Imperceptible: only instruments record it.
Massif du Mont-Blanc earthquake (M4.4), epicentre 78 km away · observed at Challand-Saint-Anselme (Quincod)
- 2005NF5 July 2005
Imperceptible: only instruments record it.
Canavese earthquake (M3.5), epicentre 43 km away · observed at Challand-Saint-Anselme (Quincod)
- 1996III-IV31 March 1996
Moderate: felt by many indoors; glasses and dishes rattle.
Valle d'Aosta earthquake (M4.2), epicentre 35 km away · observed at Chatillonet
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 60 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?
Challand-Saint-Anselme records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Aosta19 events · 30gAosta Valley region19 events · 30gFrequently asked questions
Were there earthquakes today in Challand-Saint-Anselme?
No, no quakes were recorded today in the Challand-Saint-Anselme area: the latest nearby dates back to 7 months ago.
Is Challand-Saint-Anselme a seismic area?
Challand-Saint-Anselme 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 Challand-Saint-Anselme?
In the last ~11 years of INGV data, the strongest within 30 km of Challand-Saint-Anselme was magnitude 3.3, in 2026.
When was the last quake near Challand-Saint-Anselme?
The last quake recorded within 30 km of Challand-Saint-Anselme was yesterday.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)