Province of Aosta

Earthquakes today in Saint-Denis

Today, within 30 km: no earthquakes recorded (updated at 11:37). Latest: M0.7 on 9 October 2026 at 12:44, 2 km West of Oyace, 7 km deep.

0.7
very light

Latest earthquake within 30 km

2 km West of Oyace

4 days ago · 9 Oct 2026, 12:44
Depth 7 km

Seismic activity within 30 km

30 km radius
4
days since the last quake within 30 km
561
quakes recorded since 2015
~8 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 Saint-Denis: 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 = 0.072 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Torgnon Earthquake details
0
In the town
total on record
0
In the town
last 12 months
48
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 Saint-Denis. “In the town”: quakes whose nearest town to the epicentre is Saint-Denis.

No epicentre attributed to Saint-Denis in the INGV catalogue since 2015 · 382 inhabitants

The seismic history of Saint-Denis

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

  1. 2005NF8 September 2005

    Imperceptible: only instruments record it.

    Massif du Mont-Blanc earthquake (M4.4), epicentre 63 km away

  2. 1996IV31 March 1996

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

    Valle d'Aosta earthquake (M4.2), epicentre 22 km away

  3. 1972III25 October 1972

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

    Appennino settentrionale earthquake (M4.9), epicentre 227 km away

  4. 1887NF23 February 1887

    Imperceptible: only instruments record it.

    Liguria occidentale earthquake (M6.3), epicentre 210 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.

18925.0
Valle d'Aosta earthquake
5 March 1892 · 27 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19684.9
Valle d'Aosta earthquake
18 June 1968 · 17 km from here
VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
19124.7
Canavese earthquake
31 May 1912 · 28 km from here
V-VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
19364.5
Biellese earthquake
17 October 1936 · 43 km from here
VI-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

Western Valais

The town lies about 48 km from Western Valais, 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 20261eventmax 0.7
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.7
2 km West of Oyace
17 km West · 7 km
4 days ago
9 Oct 2026, 12:44
1.8
5 km West of Bionaz
21 km North-West · 9 km
19 days ago
24 Sept 2026, 20:30
1.3
7 km North-East of Bionaz
24 km North · 10 km
1 month ago
12 Sept 2026, 04:21
0.3
6 km North-West of Torgnon
13 km North-West · 10 km
1 month ago
2 Sept 2026, 20:58
0.6
4 km North of Quart
13 km West · 10 km
3 months ago
21 Jul 2026, 01:14
1.9
4 km North of Etroubles
29 km West · 5 km
3 months ago
5 Jul 2026, 07:05
0.4
4 km West of Nus
12 km North-West · 8 km
4 months ago
24 Jun 2026, 20:13
0.8
3 km North-East of Quart
12 km West · 9 km
4 months ago
22 Jun 2026, 14:24
0.9
3 km North-West of Nus
11 km North-West · 10 km
4 months ago
22 Jun 2026, 07:12
0.8
4 km North-East of Quart
12 km West · 12 km
4 months ago
22 Jun 2026, 03:06

Nearby towns

How does it compare with the surroundings?

Saint-Denis is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 0% of the 74 towns in the province.
Saint-Denis0
Nearby towns average28

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: 007059

Frequently asked questions

Were there earthquakes near Saint-Denis today?

No, no quakes were recorded today within 30 km of Saint-Denis. The latest dates back to 9 October 2026.

Is Saint-Denis a seismic area?

Saint-Denis 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 Saint-Denis?

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

When was the last quake near Saint-Denis?

The last quake recorded within 30 km of Saint-Denis dates back to 9 October 2026, magnitude 0.7.

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)