Province of Asti

Earthquakes in Cossombrato

1.2
very light
LATEST QUAKE

2 km South of Castellero

89 months ago · 8 May, 09:31
Depth 49 km

Seismic activity in the surroundings

30 km radius
221
days since the last quake nearby
23
quakes recorded since 2014
~6 months
on average, one quake every
3.0
The strongest within 30 km
1 km East of Barbaresco
80 months ago · 19 Jan, 06:22

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 = 0.040 g (10% probability of exceedance in 50 years, rigid soil).

Why the ground rarely shakes here

Cossombrato 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
Earthquake details
1
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M1.8
Strongest ever
In the area

The “area” is Cossombrato plus nearby towns.

Last earthquake: 108 months ago · 541 inhabitants

The seismic history of Cossombrato

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

  1. 2001III-IV18 July 2001

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

    Monferrato earthquake (M4.2), epicentre 30 km away

  2. 2000IV21 August 2000

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

    Monferrato earthquake (M4.9), epicentre 20 km away

  3. 1887VI23 February 1887

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Liguria occidentale earthquake (M6.3), epicentre 122 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.

20004.9
Monferrato earthquake
21 August 2000 · 20 km from here
VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
13694.9
Alessandria earthquake
1 February 1369 · 38 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19874.8
Lomellina earthquake
21 July 1987 · 48 km from here
12764.8
Monferrato earthquake
29 July 1276 · 48 km from here
V-VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.

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

The closest seismic structure

Western Monferrato

The town lies about 16 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

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

Earthquake map

2 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.2
2 km South of Castellero
11 km South-West · 49 km
89 months ago
8 May, 09:31
1.8
2 km South of Cossombrato
2 km South · 23 km
108 months ago
28 Sept, 06:06

Nearby towns

How does it compare with the surroundings?

Cossombrato 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 118 towns in the province.
Cossombrato1
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 Asti0 events · 30gPiedmont region34 events · 30g
ISTAT code: 005049

Frequently asked questions

Were there earthquakes today in Cossombrato?

No, no quakes were recorded today in the Cossombrato area: the latest nearby dates back to 89 months ago.

Is Cossombrato a seismic area?

Cossombrato 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 Cossombrato?

In the last ~12 years of INGV data, the strongest within 30 km of Cossombrato was magnitude 3.0, in 2020.

When was the last quake near Cossombrato?

The last quake recorded within 30 km of Cossombrato was 7 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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