Province of Imperia

Earthquakes in Olivetta San Michele

0.4
very light
LATEST QUAKE

1 km North-East of Ceriana

6 days ago · 19 Aug, 06:31
Depth 9 km

Seismic activity in the surroundings

30 km radius
6
days since the last quake nearby
357
quakes recorded since 2014
~12 days
on average, one quake every
3.6
The strongest within 30 km
17 km West of Olivetta San Michele
18 months ago · 18 Mar, 18:45

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 = 0.141 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
67
In the town
total on record
1
In the town
last 12 months
28
In the area
last 12 months
M3.8
Strongest ever
In the area

The “area” is Olivetta San Michele plus nearby towns.

Last earthquake: 2 months ago · 225 inhabitants

The seismic history of Olivetta San Michele

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

  1. 2001V25 February 2001

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

    Mar Ligure earthquake (M4.4), epicentre 45 km away · observed at Olivetta San Michele (Olivetta)

  2. 1993II17 July 1993

    Very light: felt only by a few people at rest, on upper floors.

    Liguria occidentale earthquake (M4.3), epicentre 68 km away · observed at Olivetta San Michele (Olivetta)

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.

18876.3
Liguria occidentale earthquake
23 February 1887 · 37 km from here
XCompletely destructive: most buildings are destroyed.
15645.8
Lantosque earthquake
20 July 1564 · 27 km from here
VIII-IXDestructive: many buildings partly or fully collapse.
16445.7
Alpes Niçoises earthquake
15 February 1644 · 27 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18545.7
Liguria occidentale earthquake
29 December 1854 · 49 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.

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

The closest seismic structure

Imperia Promontory

The town lies about 22 km from Imperia Promontory, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.4between 3 and 15 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 20262eventsmax 0.9
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

0.4
1 km North-East of Ceriana
21 km East · 9 km
6 days ago
19 Aug, 06:31
0.9
17 km North-West of Rocchetta Nervina
18 km North-West · 10 km
19 days ago
6 Aug, 08:01
0.4
2 km South of Dolceacqua
6 km East · 5 km
28 days ago
28 Jul, 12:32
1.7
Mare di Corsica [Mare]
52 km South-East · 32 km
1 month ago
23 Jul, 17:05
1.7
Mare di Corsica [Mare]
52 km South-East · 32 km
1 month ago
23 Jul, 17:05
1.3
12 km South-East of Bordighera
27 km South-East · 9 km
2 months ago
4 Jul, 19:45
0.7
2 months ago
14 Jun, 02:19
1.2
1 km North-East of Triora
25 km North-East · 10 km
4 months ago
10 May, 19:36
2.1
Costa Francese (FRANCIA)
165 km South-West · 10 km
4 months ago
7 May, 18:01
2.1
Costa Francese (FRANCIA)
171 km South-West · 6 km
4 months ago
5 May, 15:01

Nearby towns

How does it compare with the surroundings?

Olivetta San Michele 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 98% of the 66 towns in the province.
Olivetta San Michele67
Nearby towns average27

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Imperia5 events · 30gLiguria region13 events · 30g
ISTAT code: 008038

Frequently asked questions

Were there earthquakes today in Olivetta San Michele?

No, no quakes were recorded today in the Olivetta San Michele area: the latest nearby dates back to 6 days ago.

Is Olivetta San Michele a seismic area?

Olivetta San Michele 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 Olivetta San Michele?

In the last ~12 years of INGV data, the strongest within 30 km of Olivetta San Michele was magnitude 3.6, in 2025.

When was the last quake near Olivetta San Michele?

The last quake recorded within 30 km of Olivetta San Michele was 6 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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