Province of Alessandria

Earthquakes in Quargnento

1.8
very light
LATEST QUAKE

1 km South-West of Bergamasco

23 months ago · 28 Sept, 12:05
Depth 21 km

Seismic activity in the surroundings

30 km radius
695
days since the last quake nearby
26
quakes recorded since 2014
~5 months
on average, one quake every
2.5
The strongest within 30 km
1 km North of Mombaruzzo
23 months ago · 28 Sept, 12:12

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 = 0.048 g (10% probability of exceedance in 50 years, rigid soil).

Why the ground rarely shakes here

Quargnento 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 Castelletto Monferrato Earthquake details
0
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M2.1
Strongest ever
In the area

The “area” is Quargnento plus nearby towns.

No earthquakes recorded in Quargnento · 1,397 inhabitants

The seismic history of Quargnento

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

  1. 2002NF13 November 2002

    Imperceptible: only instruments record it.

    Franciacorta earthquake (M4.2), epicentre 151 km away

  2. 2001IV-V18 July 2001

    Rather strong: felt by almost everyone; hanging objects swing.

    Monferrato earthquake (M4.2), epicentre 17 km away

  3. 1887V23 February 1887

    Rather strong: felt by almost everyone; hanging objects swing.

    Liguria occidentale earthquake (M6.3), epicentre 124 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.

18285.7
Oltrepò Pavese earthquake
9 October 1828 · 47 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15415.3
Valle Scrivia earthquake
22 October 1541 · 40 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
16805.1
Valle Scrivia earthquake
30 April 1680 · 38 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
17675.0
Genovese earthquake
7 February 1767 · 47 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 Monferrato

The town lies about 14 km from Western Monferrato, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.4between 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).

Area over time

September 20241eventmax 1.8
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

5 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.8
1 km South-West of Bergamasco
14 km South · 21 km
23 months ago
28 Sept, 12:05
1.4
3 km North of Alessandria
11 km East · 52 km
52 months ago
21 May, 02:36
1.5
4 km East of Oviglio
9 km South-East · 38 km
58 months ago
13 Nov, 03:13
2.1
81 months ago
6 Jan, 09:28
2.1
2 km North-West of Conzano
12 km North · 49 km
135 months ago
22 Jul, 14:50

Nearby towns

How does it compare with the surroundings?

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

quietermore active
More epicentres than 0% of the 187 towns in the province.
Quargnento0
Nearby towns average0.4

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

Context

Province of Alessandria0 events · 30gPiedmont region34 events · 30g
ISTAT code: 006141

Frequently asked questions

Were there earthquakes today in Quargnento?

No, no quakes were recorded today in the Quargnento area: the latest nearby dates back to 23 months ago.

Is Quargnento a seismic area?

Quargnento 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 Quargnento?

In the last ~12 years of INGV data, the strongest within 30 km of Quargnento was magnitude 2.5, in 2024.

When was the last quake near Quargnento?

The last quake recorded within 30 km of Quargnento was 23 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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