Province of Alessandria

Earthquakes in Alluvioni Piovera

1.6
very light
LATEST QUAKE

2 km East of Bassignana

34 months ago · 12 Sept, 15:41
Depth 36 km

Seismic activity in the surroundings

30 km radius
346
days since the last quake nearby
47
quakes recorded since 2015
~3 months
on average, one quake every
3.1
The strongest within 30 km
3 km West of Serravalle Scrivia
70 months ago · 11 Sept, 11:28

INGV catalogue epicentres of the last ~11 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 = 0.061 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Sale Earthquake details
1
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M2.2
Strongest ever
In the area

The “area” is Alluvioni Piovera plus nearby towns.

Last earthquake: 48 months ago · 1,791 inhabitants

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 · 29 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15415.3
Valle Scrivia earthquake
22 October 1541 · 27 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19455.1
Oltrepò Pavese earthquake
29 June 1945 · 34 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
16805.1
Valle Scrivia earthquake
30 April 1680 · 33 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

Eastern Monferrato

The town sits above this source area: the deep structure where this area's earthquakes can originate.

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

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

Earthquake map

8 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.6
2 km East of Bassignana
3 km North · 36 km
34 months ago
12 Sept, 15:41
2.2
2 km North of Tortona
10 km South-East · 43 km
34 months ago
2 Sept, 06:33
1.7
4 km West of Pietra Marazzi
12 km West · 35 km
43 months ago
5 Dec, 17:47
1.6
2 km South-East of Alluvioni Piovera
2 km South-East · 47 km
48 months ago
6 Jul, 18:45
1.4
3 km North of Alessandria
13 km West · 52 km
50 months ago
21 May, 02:36
2.2
3 km East of Montecastello
5 km South-West · 37 km
66 months ago
7 Jan, 21:45
0.9
2 km North-West of Sale
2 km East · 40 km
85 months ago
4 Jul, 02:14
2.0
3 km South-East of Montecastello
7 km South-West · 44 km
125 months ago
29 Feb, 16:03

Nearby towns

How does it compare with the surroundings?

Alluvioni Piovera records more quakes than the average of its province.

quietermore active
More epicentres than 66% of the 187 towns in the province.
Alluvioni Piovera1
Nearby towns average0.6

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: 006192

Frequently asked questions

Were there earthquakes today in Alluvioni Piovera?

No, no quakes were recorded today in the Alluvioni Piovera area: the latest nearby dates back to 34 months ago.

Is Alluvioni Piovera a seismic area?

Alluvioni Piovera 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 Alluvioni Piovera?

In the last ~11 years of INGV data, the strongest within 30 km of Alluvioni Piovera was magnitude 3.1, in 2020.

When was the last quake near Alluvioni Piovera?

The last quake recorded within 30 km of Alluvioni Piovera was 12 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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