Earthquakes today in Gressoney-La-Trinité
Today, within 30 km: no earthquakes recorded (updated at 12:32). Latest: M1.3 on 12 September 2026 at 04:21, 7 km North-East of Bionaz, 10 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 Gressoney-La-Trinité: 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 = 0.075 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Gressoney-La-Trinité. “In the town”: quakes whose nearest town to the epicentre is Gressoney-La-Trinité.
The seismic history of Gressoney-La-Trinité
The earthquakes that were actually felt in Gressoney-La-Trinité 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 76 km away
- 1968VI18 June 1968
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle d'Aosta earthquake (M4.9), epicentre 22 km away
- 1951IV15 May 1951
Moderate: felt by many indoors; glasses and dishes rattle.
Lodigiano earthquake (M5.2), epicentre 157 km away
- 1935V5 April 1935
Rather strong: felt by almost everyone; hanging objects swing.
Valle d'Aosta earthquake (M3.7), epicentre 5 km away
- 1892F5 March 1892
Moderate: felt by many indoors; glasses and dishes rattle.
Valle d'Aosta earthquake (M5.0), epicentre 34 km away
- 1887NF23 February 1887
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M6.3), epicentre 221 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 42 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?
Gressoney-La-Trinité 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 Aosta39 events · last 30 daysAosta Valley region39 events · last 30 daysFrequently asked questions
Were there earthquakes near Gressoney-La-Trinité today?
No, no quakes were recorded today within 30 km of Gressoney-La-Trinité. The latest dates back to 12 September 2026.
Is Gressoney-La-Trinité a seismic area?
Gressoney-La-Trinité 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 Gressoney-La-Trinité?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Gressoney-La-Trinité was magnitude 3.9, on 5 October 2021.
When was the last quake near Gressoney-La-Trinité?
The last quake recorded within 30 km of Gressoney-La-Trinité dates back to 12 September 2026, magnitude 1.3.
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)