Earthquakes in Pré-Saint-Didier
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 = 0.110 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Pré-Saint-Didier plus nearby towns.
The seismic history of Pré-Saint-Didier
The earthquakes that were actually felt in Pré-Saint-Didier over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1905F6 December 1905
Moderate: felt by many indoors; glasses and dishes rattle.
Basso Vallese earthquake (M3.5), epicentre 39 km away
- 1905VI-VII29 April 1905
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Haute-Savoie, Vallorcine earthquake (M5.1), epicentre 30 km away
- 1887II-III23 February 1887
Light: felt by few people, like a passing truck.
Liguria occidentale earthquake (M6.3), epicentre 222 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 13 km from Chamonix, 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?
Pré-Saint-Didier 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 Aosta3 events · 30gAosta Valley region3 events · 30gFrequently asked questions
Were there earthquakes today in Pré-Saint-Didier?
No, no quakes were recorded today in the Pré-Saint-Didier area: the latest nearby dates back to 19 days ago.
Is Pré-Saint-Didier a seismic area?
Pré-Saint-Didier 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 Pré-Saint-Didier?
In the last ~12 years of INGV data, the strongest within 30 km of Pré-Saint-Didier was magnitude 3.4, in 2026.
When was the last quake near Pré-Saint-Didier?
The last quake recorded within 30 km of Pré-Saint-Didier was 19 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)