Province of Alessandria

Earthquakes in San Sebastiano Curone

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
41
days since the last quake nearby
173
quakes recorded since 2014
~25 days
on average, one quake every
4.0
The strongest within 30 km
3 km East of Cerignale
77 months ago · 16 Apr, 11:42

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 = 0.096 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
2
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 San Sebastiano Curone plus nearby towns.

Last earthquake: 90 months ago · 591 inhabitants

The seismic history of San Sebastiano Curone

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

  1. 2005III18 April 2005

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

    Valle del Trebbia earthquake (M4.0), epicentre 23 km away

  2. 2005III13 April 2005

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

    Valle del Trebbia earthquake (M3.7), epicentre 23 km away

  3. 2002NF13 November 2002

    Imperceptible: only instruments record it.

    Franciacorta earthquake (M4.2), epicentre 128 km away

  4. 1945IV15 December 1945

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

    Oltrepò Pavese earthquake (M4.7), epicentre 6 km away

  5. 1945VII29 June 1945

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

    Oltrepò Pavese earthquake (M5.1), epicentre 7 km away

  6. 1901III23 January 1901

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

    Oltrepò Pavese earthquake (M4.2), epicentre 28 km away

  7. 1887V-VI23 February 1887

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

    Liguria occidentale earthquake (M6.3), epicentre 131 km away

  8. 1882V-VI15 February 1882

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

    Val Borbera earthquake (M4.8), epicentre 14 km away

  9. 1828VII9 October 1828

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

    Oltrepò Pavese earthquake (M5.7), epicentre 4 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 · 4 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15415.3
Valle Scrivia earthquake
22 October 1541 · 13 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19455.1
Oltrepò Pavese earthquake
29 June 1945 · 7 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 9 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

34 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

2.4
1 km West of Garbagna
7 km West · 9 km
14 months ago
2 Jul, 07:07
1.3
1 km North-East of Momperone
7 km North-West · 7 km
16 months ago
12 May, 02:39
2.3
3 km East of Garbagna
4 km West · 19 km
36 months ago
17 Sept, 19:50
2.0
2 km West of Dernice
3 km South-West · 16 km
42 months ago
29 Mar, 01:33
2.7
1 km East of Casasco
6 km North-West · 19 km
48 months ago
19 Sept, 10:15
1.8
3 km East of Varzi
15 km East · 11 km
50 months ago
25 Jul, 08:26
1.5
2 km East of Pozzol Groppo
8 km North · 17 km
52 months ago
16 May, 00:37
1.5
1 km East of Sardigliano
10 km West · 19 km
58 months ago
28 Nov, 19:53
1.8
1 km East of Pozzol Groppo
9 km North · 19 km
59 months ago
19 Oct, 09:18
2.0
67 months ago
18 Feb, 04:03

Nearby towns

How does it compare with the surroundings?

San Sebastiano Curone 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 90% of the 187 towns in the province.
San Sebastiano Curone2
Nearby towns average2.2

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: 006155

Frequently asked questions

Were there earthquakes today in San Sebastiano Curone?

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

Is San Sebastiano Curone a seismic area?

San Sebastiano Curone 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 San Sebastiano Curone?

In the last ~12 years of INGV data, the strongest within 30 km of San Sebastiano Curone was magnitude 4.0, in 2020.

When was the last quake near San Sebastiano Curone?

The last quake recorded within 30 km of San Sebastiano Curone 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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