Earthquakes today in Brusson
Today, within 30 km: no earthquakes recorded (updated at 12:01). Latest: M1.8 on 24 September 2026 at 20:30, 5 km West of Bionaz, 9 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Brusson: zone 3
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 = 0.062 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Brusson. “In the town”: quakes whose nearest town to the epicentre is Brusson.
The seismic history of Brusson
The earthquakes that were actually felt in Brusson over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF8 September 2005
Imperceptible: only instruments record it.
Massif du Mont-Blanc earthquake (M4.4), epicentre 75 km away
- 1996NF31 March 1996
Imperceptible: only instruments record it.
Valle d'Aosta earthquake (M4.2), epicentre 30 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 55 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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Brusson is quieter 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 Aosta39 events · last 30 daysAosta Valley region39 events · last 30 daysFrequently asked questions
Were there earthquakes near Brusson today?
No, no quakes were recorded today within 30 km of Brusson. The latest dates back to 24 September 2026.
Is Brusson a seismic area?
Brusson 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 Brusson?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Brusson was magnitude 3.3, on 20 January 2026.
When was the last quake near Brusson?
The last quake recorded within 30 km of Brusson dates back to 24 September 2026, magnitude 1.8.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)