Province of Alessandria

Earthquakes in Melazzo

1.2
very light
LATEST QUAKE

3 km South-East of Mombaldone

6 months ago · 22 Feb, 14:18
Depth 10 km

Seismic activity in the surroundings

30 km radius
39
days since the last quake nearby
187
quakes recorded since 2014
~23 days
on average, one quake every
3.1
The strongest within 30 km
2 km North-East of Rossiglione
132 months ago · 10 Oct, 22:18

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 = 0.053 g (10% probability of exceedance in 50 years, rigid soil).

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

The “area” is Melazzo plus nearby towns.

No earthquakes recorded in Melazzo · 1,315 inhabitants

The seismic history of Melazzo

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

  1. 2001IV-V18 July 2001

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

    Monferrato earthquake (M4.2), epicentre 18 km away

  2. 2000V21 August 2000

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

    Monferrato earthquake (M4.9), epicentre 30 km away

  3. 1901III-IV23 January 1901

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

    Oltrepò Pavese earthquake (M4.2), epicentre 63 km away

  4. 1901V10 January 1901

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

    Alto Monferrato earthquake (M3.7), epicentre 3 km away

  5. 1900V30 December 1900

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

    Alto Monferrato earthquake (M4.3), epicentre 2 km away

  6. 1873III-IV17 September 1873

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

    Appennino tosco-ligure earthquake (M5.3), epicentre 123 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.

15415.3
Valle Scrivia earthquake
22 October 1541 · 41 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
16805.1
Valle Scrivia earthquake
30 April 1680 · 31 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 · 23 km from here
VI-VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
20004.9
Monferrato earthquake
21 August 2000 · 30 km from here
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

Eastern Monferrato

The town lies about 44 km from Eastern 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

February 20262eventsmax 1.5
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

15 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.2
3 km South-East of Mombaldone
10 km South-West · 10 km
6 months ago
22 Feb, 14:18
1.5
2 km South-West of Mombaldone
12 km South-West · 10 km
6 months ago
22 Feb, 12:22
1.3
2 km South-West of Denice
10 km South-West · 11 km
16 months ago
30 Apr, 07:36
0.9
32 months ago
17 Jan, 20:42
0.9
2 km South-East of Mombaldone
10 km South-West · 14 km
59 months ago
13 Oct, 02:34
1.2
2 km South of Ponzone
12 km South-East · 9 km
74 months ago
10 Aug, 15:24
1.4
1 km South-East of Cartosio
8 km South · 9 km
75 months ago
17 Jun, 11:46
1.4
1 km East of Castelletto d'Erro
2 km South-West · 13 km
79 months ago
11 Mar, 20:37
1.4
1 km South of Castelletto d'Erro
3 km South-West · 11 km
79 months ago
11 Mar, 20:33
1.6
3 km North-West of Ponzone
9 km South-East · 8 km
85 months ago
9 Sept, 05:12

Nearby towns

How does it compare with the surroundings?

Melazzo 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.
Melazzo0
Nearby towns average1.2

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: 006092

Frequently asked questions

Were there earthquakes today in Melazzo?

No, no quakes were recorded today in the Melazzo area: the latest nearby dates back to 6 months ago.

Is Melazzo a seismic area?

Melazzo 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 Melazzo?

In the last ~12 years of INGV data, the strongest within 30 km of Melazzo was magnitude 3.1, in 2015.

When was the last quake near Melazzo?

The last quake recorded within 30 km of Melazzo was 1 month 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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