Province of Aosta

Earthquakes today in Valgrisenche

Today, within 30 km: no earthquakes recorded (updated at 11:44). Latest: M0.9 on 12 October 2026 at 18:49, 6 km East of Courmayeur, 11 km deep.

0.9
very light

Latest earthquake within 30 km

6 km East of Courmayeur

17 hours ago · 12 Oct 2026, 18:49
Depth 11 km

Seismic activity within 30 km

30 km radius
1
day since the last quake within 30 km
385
quakes recorded since 2015
~11 days
on average, one quake every
3.4
The strongest within 30 km
3 km South-West of Pré-Saint-Didier
9 months ago · 12 Jan 2026, 07:28

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is Valgrisenche: zone 3

Zone3
Seismic zone 3

Medium-low seismicity: strong quakes are rare, but not impossible.

Official Civil Protection classification (upd. 2025), used for building codes.

Low
Expected shaking, compared with the other Italian municipalities (INGV MPS04 model)

Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.107 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
70
In the town
total on record
8
In the town
last 12 months
50
Within 30 km
last 12 months
M3.4
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Valgrisenche. “In the town”: quakes whose nearest town to the epicentre is Valgrisenche.

Latest earthquake attributed to Valgrisenche: 7 October 2026 · 198 inhabitants

The seismic history of Valgrisenche

The earthquakes that were actually felt in Valgrisenche over the centuries, with the intensity observed on site (Mercalli MCS scale).

  1. 2005III-IV8 September 2005

    Moderate: felt by many indoors; glasses and dishes rattle.

    Massif du Mont-Blanc earthquake (M4.4), epicentre 52 km away

  2. 1938III-IV23 December 1938

    Moderate: felt by many indoors; glasses and dishes rattle.

    Canavese earthquake (M4.2), epicentre 35 km away

  3. 1887NF23 February 1887

    Imperceptible: only instruments record it.

    Liguria occidentale earthquake (M6.3), epicentre 203 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.

19055.1
Haute-Savoie, Vallorcine earthquake
29 April 1905 · 48 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19054.9
Massif du Mont-Blanc earthquake
13 August 1905 · 43 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
19304.4
Vanoise earthquake
4 July 1930 · 44 km from here
V-VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
18654.3
Tarentaise earthquake
27 March 1865 · 45 km from here
VRather strong: felt by almost everyone; hanging objects swing.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Chamonix

The town lies about 29 km from Chamonix, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.0between 3 and 15 km deep

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

October 202613eventsmax 1.8
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.9
6 km East of Courmayeur
29 km North · 11 km
17 hours ago
12 Oct 2026, 18:49
0.7
10 km West of Groscavallo
25 km South · 9 km
23 hours ago
12 Oct 2026, 12:44
0.8
yesterday
12 Oct 2026, 06:25
1.0
3 km South-East of Avise
15 km North-East · 10 km
3 days ago
10 Oct 2026, 23:11
1.0
7 km East of Courmayeur
30 km North · 10 km
4 days ago
9 Oct 2026, 21:43
1.8
8 km East of Courmayeur
29 km North · 10 km
4 days ago
9 Oct 2026, 05:03
0.9
6 km North-West of Valgrisenche
6 km North-West · 9 km
6 days ago
7 Oct 2026, 09:23
0.9
6 km North-West of Valgrisenche
6 km North-West · 9 km
6 days ago
7 Oct 2026, 09:23
0.5
10 km West of Groscavallo
24 km South · 10 km
8 days ago
5 Oct 2026, 11:47
1.3
7 km East of Courmayeur
28 km North · 11 km
9 days ago
4 Oct 2026, 05:50

Nearby towns

How does it compare with the surroundings?

Valgrisenche sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.

quietermore active
More epicentres than 92% of the 74 towns in the province.
Valgrisenche70
Nearby towns average69

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 days
ISTAT code: 007068

Frequently asked questions

Were there earthquakes near Valgrisenche today?

No, no quakes were recorded today within 30 km of Valgrisenche. The latest dates back to 12 October 2026.

Is Valgrisenche a seismic area?

Valgrisenche 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 Valgrisenche?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Valgrisenche was magnitude 3.4, on 12 January 2026.

When was the last quake near Valgrisenche?

The last quake recorded within 30 km of Valgrisenche dates back to 12 October 2026, magnitude 0.9.

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)