Province of Savona

Earthquakes today in Arnasco

Today, within 30 km: no earthquakes recorded (updated at 11:37). Latest: M0.9 on 11 October 2026 at 19:58, 2 km North-West of Rialto, 8 km deep.

0.9
very light

Latest earthquake within 30 km

2 km North-West of Rialto

2 days ago · 11 Oct 2026, 19:58
Depth 8 km

Seismic activity within 30 km

30 km radius
2
days since the last quake within 30 km
544
quakes recorded since 2015
~8 days
on average, one quake every
2.5
The strongest within 30 km
2 km South-East of Rialto
2 days ago · 11 Oct 2026, 13:41

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is Arnasco: zone 3

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 = 0.134 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
11
In the town
total on record
0
In the town
last 12 months
53
Within 30 km
last 12 months
M2.5
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Arnasco. “In the town”: quakes whose nearest town to the epicentre is Arnasco.

Latest earthquake attributed to Arnasco: 17 March 2023 · 630 inhabitants

The seismic history of Arnasco

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

  1. 2001III25 February 2001

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

    Mar Ligure earthquake (M4.4), epicentre 85 km away · observed at Arnasco (Chiesa)

  2. 2001III-IV6 February 2001

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

    Mar Ligure earthquake (M4.2), epicentre 43 km away · observed at Arnasco (Chiesa)

  3. 1970D31 December 1970

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

    Liguria occidentale earthquake (M4.6), epicentre 7 km away · observed at Arnasco (Chiesa)

  4. 1968VI18 April 1968

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

    Liguria occidentale earthquake (M4.9), epicentre 6 km away · observed at Arnasco (Chiesa)

  5. 1887VI-VII23 February 1887

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

    Liguria occidentale earthquake (M6.3), epicentre 23 km away · observed at Arnasco (Chiesa)

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 · 23 km from here
XCompletely destructive: most buildings are destroyed.
18315.6
Liguria occidentale earthquake
26 May 1831 · 32 km from here
VIII-IXDestructive: many buildings partly or fully collapse.
18185.3
Liguria occidentale earthquake
23 February 1818 · 19 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19684.9
Liguria occidentale earthquake
18 April 1968 · 6 km from here

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

The closest seismic structure

Imperia Promontory

The town lies about 23 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).

Over time within 30 km

October 202617eventsmax 2.5
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.9
2 km North-West of Rialto
21 km North-East · 8 km
2 days ago
11 Oct 2026, 19:58
0.8
1 km North-East of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 16:15
0.7
2 km North-West of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 14:35
2.5
2 km South-East of Rialto
20 km North-East · 9 km
2 days ago
11 Oct 2026, 13:41
1.3
1 km East of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 13:15
1.2
1 km North-West of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 12:16
0.7
2 km North-West of Rialto
21 km North-East · 11 km
2 days ago
11 Oct 2026, 08:47
0.7
1 km South-East of Bormida
24 km North-East · 7 km
2 days ago
11 Oct 2026, 08:41
1.0
2 km North-West of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 08:12
1.5
1 km East of Rialto
21 km North-East · 10 km
2 days ago
11 Oct 2026, 08:11

Nearby towns

How does it compare with the surroundings?

Arnasco records more quakes than the average of its province.

quietermore active
More epicentres than 78% of the 69 towns in the province.
Arnasco11
Nearby towns average17

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

Context

Province of Savona19 events · last 30 daysLiguria region29 events · last 30 days
ISTAT code: 009007

Frequently asked questions

Were there earthquakes near Arnasco today?

No, no quakes were recorded today within 30 km of Arnasco. The latest dates back to 11 October 2026.

Is Arnasco a seismic area?

Arnasco 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 Arnasco?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Arnasco was magnitude 2.5, on 11 October 2026.

When was the last quake near Arnasco?

The last quake recorded within 30 km of Arnasco dates back to 11 October 2026, magnitude 0.9.

Tip. Click a nearby town to explore its seismicity.

Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)