Province of Verbano-Cusio-Ossola

Earthquakes in Madonna del Sasso

1.0
very light
LATEST QUAKE

4 km North-West of Quarona

121 months ago · 27 Sept, 11:13
Depth 20 km

Seismic activity in the surroundings

30 km radius
48
days since the last quake nearby
29
quakes recorded since 2014
~5 months
on average, one quake every
2.1
The strongest within 30 km
2 km North of Rimella
88 months ago · 16 Jun, 06:44

INGV catalogue epicentres of the last ~12 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.

Very 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 = 0.044 g (10% probability of exceedance in 50 years, rigid soil).

Why the ground rarely shakes here

Madonna del Sasso sits in one of the most stable areas of Italy: far from the boundary between the Eurasian and African plates, on ancient, rigid crust that hardly accumulates tectonic stress any more.

That is why earthquakes here are rare and almost always weak: a small geological privilege.

Closest earthquake
Go to Quarona Earthquake details
0
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M1.0
Strongest ever
In the area

The “area” is Madonna del Sasso plus nearby towns.

No earthquakes recorded in Madonna del Sasso · 396 inhabitants

The seismic history of Madonna del Sasso

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

  1. 2005II8 September 2005

    Very light: felt only by a few people at rest, on upper floors.

    Massif du Mont-Blanc earthquake (M4.4), epicentre 116 km away · observed at Madonna del Sasso (Boleto)

  2. 1993IV14 June 1993

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

    Val d'Ossola earthquake (M4.3), epicentre 20 km away · observed at Madonna del Sasso (Boleto)

  3. 1960II-III23 March 1960

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

    Vallese earthquake (M5.0), epicentre 69 km away · observed at Artò

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 · 49 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19684.9
Valle d'Aosta earthquake
18 June 1968 · 46 km from here
VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
19364.5
Biellese earthquake
17 October 1936 · 35 km from here
VI-VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
18744.4
Vallese, Sankt Niklaus earthquake
1 December 1874 · 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 61 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

August 2026no events
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

1 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.0
4 km North-West of Quarona
8 km West · 20 km
121 months ago
27 Sept, 11:13

Nearby towns

How does it compare with the surroundings?

Madonna del Sasso 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.
Madonna del Sasso0
Nearby towns average0.1

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

Context

Province of Verbano-Cusio-Ossola2 events · 30gPiedmont region34 events · 30g
ISTAT code: 103040

Frequently asked questions

Were there earthquakes today in Madonna del Sasso?

No, no quakes were recorded today in the Madonna del Sasso area: the latest nearby dates back to 121 months ago.

Is Madonna del Sasso a seismic area?

Madonna del Sasso 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 Madonna del Sasso?

In the last ~12 years of INGV data, the strongest within 30 km of Madonna del Sasso was magnitude 2.1, in 2019.

When was the last quake near Madonna del Sasso?

The last quake recorded within 30 km of Madonna del Sasso 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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