Province of Vercelli

Earthquakes in Alto Sermenza

1.0
very light
LATEST QUAKE

6 km West of Macugnaga

2 months ago · 25 Apr, 06:11
Depth 11 km

Seismic activity in the surroundings

30 km radius
49
days since the last quake nearby
176
quakes recorded since 2015
~24 days
on average, one quake every
3.3
The strongest within 30 km
5 km East of Valtournenche
5 months ago · 20 Jan, 21:21

INGV catalogue epicentres of the last ~11 years, within the given radius from the town centre.

How seismic is this area?

Zone4
Seismic zone 4

The quietest class: the probability of strong earthquakes is very low.

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 = 0.062 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
1
In the town
total on record
0
In the town
last 12 months
4
In the area
last 12 months
M2.4
Strongest ever
In the area

The “area” is Alto Sermenza plus nearby towns.

Last earthquake: 45 months ago · 190 inhabitants

The great earthquakes in this area's history

Almost a thousand years of catalogues: the strongest documented events within ~50 km.

18556.2
Vallese, Stalden-Visp earthquake
25 July 1855 · 42 km from here
17555.7
Vallese, Brig-Naters earthquake
9 December 1755 · 49 km from here
18555.5
Vallese, Stalden-Visp earthquake
26 July 1855 · 41 km from here
18375.4
Berna, Birgisch earthquake
24 January 1837 · 49 km from here

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

The closest seismic structure

Western Valais

The town lies about 42 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).

Area over time

April 20261eventmax 1.0
Jul
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.0
6 km West of Macugnaga
15 km North-West · 11 km
2 months ago
25 Apr, 06:11
1.8
5 months ago
20 Jan, 22:58
1.4
6 months ago
18 Dec, 08:15
1.9
3 km South-West of Macugnaga
9 km North-West · 2 km
10 months ago
22 Aug, 08:05
0.8
11 km North-West of Macugnaga
20 km North-West · 10 km
14 months ago
5 May, 04:44
1.1
6 km West of Macugnaga
14 km North-West · 10 km
14 months ago
30 Apr, 15:36
1.8
8 km West of Macugnaga
16 km North-West · 10 km
14 months ago
30 Apr, 15:36
1.6
3 km South of Gressoney-Saint-Jean
21 km South-West · 12 km
14 months ago
28 Apr, 14:03
1.3
12 km North-West of Macugnaga
21 km North-West · 10 km
14 months ago
21 Apr, 07:46
2.3
10 km North-West of Macugnaga
20 km North-West · 14 km
14 months ago
19 Apr, 10:27

Nearby towns

How does it compare with the surroundings?

Alto Sermenza 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 88% of the 82 towns in the province.
Alto Sermenza1
Nearby towns average8.2

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Vercelli1 events · 30gPiedmont region34 events · 30g
ISTAT code: 002170

Frequently asked questions

Were there earthquakes today in Alto Sermenza?

No, no quakes were recorded today in the Alto Sermenza area: the latest nearby dates back to 2 months ago.

Is Alto Sermenza a seismic area?

Alto Sermenza is classified in seismic zone 4 by the Civil Protection. The quietest class: the probability of strong earthquakes is very low.

What was the strongest earthquake near Alto Sermenza?

In the last ~11 years of INGV data, the strongest within 30 km of Alto Sermenza was magnitude 3.3, in 2026.

When was the last quake near Alto Sermenza?

The last quake recorded within 30 km of Alto Sermenza was 2 months ago.

Tip. Click a nearby town to explore its seismicity.

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)

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