Province of Alessandria

Earthquakes in Montemarzino

2.4
light
LATEST QUAKE

1 km West of Garbagna

14 months ago · 2 Jul, 07:07
Depth 9 km

Seismic activity in the surroundings

30 km radius
65
days since the last quake nearby
92
quakes recorded since 2014
~46 days
on average, one quake every
3.7
The strongest within 30 km
2 km East of Santa Giuletta
77 months ago · 19 Apr, 11:53

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

How seismic is this area?

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 = 0.093 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Casasco Earthquake details
0
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M2.9
Strongest ever
In the area

The “area” is Montemarzino plus nearby towns.

No earthquakes recorded in Montemarzino · 341 inhabitants

The seismic history of Montemarzino

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

  1. 2005NF13 April 2005

    Imperceptible: only instruments record it.

    Valle del Trebbia earthquake (M3.7), epicentre 32 km away

  2. 2002III13 November 2002

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

    Franciacorta earthquake (M4.2), epicentre 127 km away

  3. 2000NF21 August 2000

    Imperceptible: only instruments record it.

    Monferrato earthquake (M4.9), epicentre 49 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 · 5 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15415.3
Valle Scrivia earthquake
22 October 1541 · 12 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19455.1
Oltrepò Pavese earthquake
29 June 1945 · 11 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
16805.1
Valle Scrivia earthquake
30 April 1680 · 23 km from here
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

Rivanazzano-Stradella

The town lies about 6 km from Rivanazzano-Stradella, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.8between 2 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

July 20251eventmax 2.4
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

23 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

2.4
1 km West of Garbagna
8 km South · 9 km
14 months ago
2 Jul, 07:07
1.3
16 months ago
12 May, 02:39
2.3
3 km East of Garbagna
7 km South-East · 19 km
36 months ago
17 Sept, 19:50
2.7
1 km East of Casasco
3 km South-East · 19 km
48 months ago
19 Sept, 10:15
1.5
2 km East of Pozzol Groppo
5 km East · 17 km
52 months ago
16 May, 00:37
1.8
1 km East of Pozzol Groppo
5 km East · 19 km
59 months ago
19 Oct, 09:18
2.0
1 km North-East of Pozzol Groppo
5 km North-East · 9 km
67 months ago
18 Feb, 04:03
2.9
0 km North-East of Monleale
3 km North-West · 15 km
71 months ago
28 Oct, 05:15
2.4
1 km North-East of Monleale
4 km North · 14 km
71 months ago
28 Oct, 05:10
1.3
1 km North of Pozzol Groppo
4 km North-East · 11 km
74 months ago
8 Aug, 01:58

Nearby towns

How does it compare with the surroundings?

Montemarzino 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.
Montemarzino0
Nearby towns average1.9

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: 006108

Frequently asked questions

Were there earthquakes today in Montemarzino?

No, no quakes were recorded today in the Montemarzino area: the latest nearby dates back to 14 months ago.

Is Montemarzino a seismic area?

Montemarzino 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 Montemarzino?

In the last ~12 years of INGV data, the strongest within 30 km of Montemarzino was magnitude 3.7, in 2020.

When was the last quake near Montemarzino?

The last quake recorded within 30 km of Montemarzino 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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