Province of Alessandria

Earthquakes in Acqui Terme

2.0
light
LATEST QUAKE

3 km South of Alice Bel Colle

33 months ago · 19 Sept, 10:55
Depth 42 km

Seismic activity in the surroundings

30 km radius
13
days since the last quake nearby
157
quakes recorded since 2015
~27 days
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 = 0.054 g (10% probability of exceedance in 50 years, rigid soil).

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
M2.1
Strongest ever
In the area

The “area” is Acqui Terme plus nearby towns.

Last earthquake: 84 months ago · 20,054 inhabitants

The seismic history of Acqui Terme

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

  1. 2003V11 April 2003

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

    Valle Scrivia earthquake (M4.8), epicentre 34 km away

  2. 2001IV-V18 July 2001

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

    Monferrato earthquake (M4.2), epicentre 13 km away

  3. 2000V21 August 2000

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

    Monferrato earthquake (M4.9), epicentre 26 km away

  4. 1972IV25 October 1972

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

    Appennino settentrionale earthquake (M4.9), epicentre 114 km away

  5. 1951IV15 May 1951

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

    Lodigiano earthquake (M5.2), epicentre 110 km away

  6. 1913V7 December 1913

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

    Valle Scrivia earthquake (M4.6), epicentre 34 km away

  7. 1900V30 December 1900

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

    Alto Monferrato earthquake (M4.3), epicentre 4 km away

  8. 1887VII23 February 1887

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Liguria occidentale earthquake (M6.3), epicentre 95 km away

  9. 1854IV-V29 December 1854

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

    Liguria occidentale earthquake (M5.7), epicentre 155 km away

  10. 1818V-VI23 February 1818

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

    Liguria occidentale earthquake (M5.3), epicentre 91 km away

  11. 1808V16 April 1808

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

    Val Pellice earthquake (M5.3), epicentre 91 km away

  12. 1767VI7 February 1767

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

    Genovese earthquake (M5.0), epicentre 24 km away

…and 21 more documented effects in this town's history.

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 · 50 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15415.3
Valle Scrivia earthquake
22 October 1541 · 38 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
16805.1
Valle Scrivia earthquake
30 April 1680 · 28 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 · 24 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

Eastern Monferrato

The town lies about 39 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

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

Earthquake map

5 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

2.0
3 km South of Alice Bel Colle
3 km North-East · 42 km
33 months ago
19 Sept, 10:55
1.4
1 km East of Castelletto d'Erro
7 km South-West · 13 km
76 months ago
11 Mar, 20:37
1.4
1 km South of Castelletto d'Erro
8 km South-West · 11 km
76 months ago
11 Mar, 20:33
1.1
1 km East of Acqui Terme
1 km East · 12 km
84 months ago
15 Jul, 23:28
2.1
3 km North-West of Visone
4 km East · 10 km
138 months ago
4 Feb, 10:58

Nearby towns

How does it compare with the surroundings?

Acqui Terme records more quakes than the average of its province.

quietermore active
More epicentres than 66% of the 187 towns in the province.
Acqui Terme1
Nearby towns average0.3

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: 006001

Frequently asked questions

Were there earthquakes today in Acqui Terme?

No, no quakes were recorded today in the Acqui Terme area: the latest nearby dates back to 33 months ago.

Is Acqui Terme a seismic area?

Acqui Terme 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 Acqui Terme?

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

When was the last quake near Acqui Terme?

The last quake recorded within 30 km of Acqui Terme was 14 days 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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