Earthquakes in Champorcher
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 = 0.057 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Champorcher plus nearby towns.
The seismic history of Champorcher
The earthquakes that were actually felt in Champorcher over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005III-IV8 September 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Massif du Mont-Blanc earthquake (M4.4), epicentre 72 km away · observed at Champorcher (Château)
- 2000NF21 August 2000
Imperceptible: only instruments record it.
Monferrato earthquake (M4.9), epicentre 100 km away · observed at Champorcher (Château)
- 1996III31 March 1996
Light: felt by few people, like a passing truck.
Valle d'Aosta earthquake (M4.2), epicentre 38 km away · observed at Champorcher (Château)
- 1887III23 February 1887
Light: felt by few people, like a passing truck.
Liguria occidentale earthquake (M6.3), epicentre 194 km away · observed at Champorcher (Château)
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 53 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?
Champorcher is about average for its province in recorded quakes.
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 Champorcher?
No, no quakes were recorded today in the Champorcher area: the latest nearby dates back to 12 months ago.
Is Champorcher a seismic area?
Champorcher 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 Champorcher?
In the last ~12 years of INGV data, the strongest within 30 km of Champorcher was magnitude 2.8, in 2025.
When was the last quake near Champorcher?
The last quake recorded within 30 km of Champorcher 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)