Province of Aosta

Earthquakes today in Challand-Saint-Anselme

Today, within 30 km: no earthquakes recorded (updated at 16:12). Latest: M0.3 on 2 September 2026 at 20:58, 6 km North-West of Torgnon, 10 km deep.

0.3
very light

Latest earthquake within 30 km

6 km North-West of Torgnon

1 month ago · 2 Sept 2026, 20:58
Depth 10 km

Seismic activity within 30 km

30 km radius
41
days since the last quake within 30 km
470
quakes recorded since 2015
~9 days
on average, one quake every
3.3
The strongest within 30 km
5 km East of Valtournenche
9 months ago · 20 Jan 2026, 21:21

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

How seismic is Challand-Saint-Anselme: 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 = 0.057 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
8
In the town
total on record
0
In the town
last 12 months
42
Within 30 km
last 12 months
M3.3
Strongest since 2015
Within 30 km

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

Latest earthquake attributed to Challand-Saint-Anselme: 27 January 2022 · 756 inhabitants

The seismic history of Challand-Saint-Anselme

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

  1. 2005II-III8 September 2005

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

    Massif du Mont-Blanc earthquake (M4.4), epicentre 78 km away · observed at Chatillonet

  2. 2005NF8 September 2005

    Imperceptible: only instruments record it.

    Massif du Mont-Blanc earthquake (M4.4), epicentre 78 km away · observed at Challand-Saint-Anselme (Quincod)

  3. 2005NF5 July 2005

    Imperceptible: only instruments record it.

    Canavese earthquake (M3.5), epicentre 43 km away · observed at Challand-Saint-Anselme (Quincod)

  4. 1996III-IV31 March 1996

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

    Valle d'Aosta earthquake (M4.2), epicentre 35 km away · observed at Chatillonet

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 · 16 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19684.9
Valle d'Aosta earthquake
18 June 1968 · 3 km from here
VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
19124.7
Canavese earthquake
31 May 1912 · 18 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 · 28 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 Piemonte

The town lies about 60 km from Western Piemonte, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.1between 1 and 8 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

September 20261eventmax 0.3
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.3
6 km North-West of Torgnon
26 km North-West · 10 km
1 month ago
2 Sept 2026, 20:58
0.6
4 km North of Quart
28 km West · 10 km
3 months ago
21 Jul 2026, 01:14
0.4
4 km West of Nus
27 km West · 8 km
4 months ago
24 Jun 2026, 20:13
0.8
3 km North-East of Quart
27 km West · 9 km
4 months ago
22 Jun 2026, 14:24
0.9
3 km North-West of Nus
26 km West · 10 km
4 months ago
22 Jun 2026, 07:12
0.8
4 km North-East of Quart
27 km West · 12 km
4 months ago
22 Jun 2026, 03:06
0.8
2 km West of Nus
25 km West · 12 km
4 months ago
12 Jun 2026, 10:19
0.6
3 km North-West of Nus
26 km West · 8 km
5 months ago
29 May 2026, 05:00
0.8
3 km North of Quart
28 km West · 11 km
5 months ago
21 May 2026, 03:03
0.3
4 km North of Quart
28 km West · 5 km
5 months ago
18 May 2026, 15:16

Nearby towns

How does it compare with the surroundings?

Challand-Saint-Anselme records more quakes than the average of its province.

quietermore active
More epicentres than 73% of the 74 towns in the province.
Challand-Saint-Anselme8
Nearby towns average10

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: 007013

Frequently asked questions

Were there earthquakes near Challand-Saint-Anselme today?

No, no quakes were recorded today within 30 km of Challand-Saint-Anselme. The latest dates back to 2 September 2026.

Is Challand-Saint-Anselme a seismic area?

Challand-Saint-Anselme 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 Challand-Saint-Anselme?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Challand-Saint-Anselme was magnitude 3.3, on 20 January 2026.

When was the last quake near Challand-Saint-Anselme?

The last quake recorded within 30 km of Challand-Saint-Anselme dates back to 2 September 2026, magnitude 0.3.

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)