Province of Aosta

Earthquakes today in Ollomont

Today, within 30 km: no earthquakes recorded (updated at 11:38). 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
1,074
quakes recorded since 2015
~4 days
on average, one quake every
3.9
The strongest within 30 km
5 km North of Bionaz
5 years ago · 5 Oct 2021, 07:39

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

How seismic is Ollomont: 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 = 0.122 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
87
In the town
total on record
5
In the town
last 12 months
180
Within 30 km
last 12 months
M3.9
Strongest since 2015
Within 30 km

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

Latest earthquake attributed to Ollomont: 19 July 2026 · 158 inhabitants

The seismic history of Ollomont

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

  1. 1996III31 March 1996

    Light: felt by few people, like a passing truck.

    Valle d'Aosta earthquake (M4.2), epicentre 14 km away

  2. 1887NF23 February 1887

    Imperceptible: only instruments record it.

    Liguria occidentale earthquake (M6.3), epicentre 228 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.

15245.8
Vallese, Ardon earthquake
April 1524 · 43 km from here
19465.5
Vallese, Sierre earthquake
30 May 1946 · 47 km from here
18175.4
Massif du Mont-Blanc earthquake
11 March 1817 · 45 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
19545.3
Vallese earthquake
19 May 1954 · 44 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

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

The closest seismic structure

Chamonix

The town lies about 24 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 202617eventsmax 1.9
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
23 km West · 11 km
17 hours ago
12 Oct 2026, 18:49
1.6
23 hours ago
12 Oct 2026, 12:57
1.2
8 km East of Courmayeur
22 km West · 11 km
2 days ago
11 Oct 2026, 23:38
1.2
8 km East of Courmayeur
22 km West · 11 km
2 days ago
11 Oct 2026, 23:38
1.0
2 days ago
11 Oct 2026, 08:50
1.0
3 km South-East of Avise
24 km South-West · 10 km
3 days ago
10 Oct 2026, 23:11
1.0
7 km East of Courmayeur
23 km West · 10 km
4 days ago
9 Oct 2026, 21:43
0.7
2 km West of Oyace
8 km South-East · 7 km
4 days ago
9 Oct 2026, 12:44
1.8
8 km East of Courmayeur
21 km West · 10 km
4 days ago
9 Oct 2026, 05:03
1.9
7 km North-West of Etroubles
10 km West · 11 km
6 days ago
7 Oct 2026, 21:10

Nearby towns

How does it compare with the surroundings?

Ollomont 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 93% of the 74 towns in the province.
Ollomont87
Nearby towns average66

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: 007046

Frequently asked questions

Were there earthquakes near Ollomont today?

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

Is Ollomont a seismic area?

Ollomont 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 Ollomont?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Ollomont was magnitude 3.9, on 5 October 2021.

When was the last quake near Ollomont?

The last quake recorded within 30 km of Ollomont 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)