Earthquakes in Usseaux
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 = 0.132 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Usseaux plus nearby towns.
The seismic history of Usseaux
The earthquakes that were actually felt in Usseaux 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 110 km away
- 2005II12 June 2005
Very light: felt only by a few people at rest, on upper floors.
Val di Susa earthquake (M3.8), epicentre 23 km away
- 1887III-IV23 February 1887
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M6.3), epicentre 152 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 28 km from Brianconnais, 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?
Usseaux 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 Torino12 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Usseaux?
No, no quakes were recorded today in the Usseaux area: the latest nearby dates back to 11 days ago.
Is Usseaux a seismic area?
Usseaux 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 Usseaux?
In the last ~12 years of INGV data, the strongest within 30 km of Usseaux was magnitude 3.7, in 2016.
When was the last quake near Usseaux?
The last quake recorded within 30 km of Usseaux was 3 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)