Earthquakes today in Arenzano
Today, within 30 km: 1 earthquake recorded, magnitude 0.4 (updated at 16:10). Latest: M0.4 on 13 October 2026 at 11:56, 4 km South-East of Cairo Montenotte, 9 km deep.
Latest earthquake within 30 km
4 km South-East of Cairo Montenotte
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Arenzano: zone 4
The quietest class: the probability of strong earthquakes is very low.
Official Civil Protection classification (upd. 2025), used for building codes.
Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.056 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Arenzano. “In the town”: quakes whose nearest town to the epicentre is Arenzano.
The seismic history of Arenzano
The earthquakes that were actually felt in Arenzano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005II18 April 2005
Very light: felt only by a few people at rest, on upper floors.
Valle del Trebbia earthquake (M4.0), epicentre 63 km away
- 2001III-IV6 February 2001
Moderate: felt by many indoors; glasses and dishes rattle.
Mar Ligure earthquake (M4.2), epicentre 39 km away
- 1993IV17 July 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M4.3), epicentre 42 km away
- 1910NF23 January 1910
Imperceptible: only instruments record it.
Piacentino earthquake (M4.4), epicentre 92 km away
- 1901III-IV23 January 1901
Moderate: felt by many indoors; glasses and dishes rattle.
Oltrepò Pavese earthquake (M4.2), epicentre 73 km away
- 1897V6 July 1897
Rather strong: felt by almost everyone; hanging objects swing.
Mar Ligure earthquake (M4.2), epicentre 2 km away
- 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 80 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.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town lies about 24 km from Imperia Promontory, one of the seismic structures mapped by INGV geologists.
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
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Arenzano records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Genova0 events · last 30 daysLiguria region30 events · last 30 daysFrequently asked questions
Were there earthquakes near Arenzano today?
Yes: today 1 quake was recorded within 30 km of Arenzano, at 11:56, magnitude 0.4.
Is Arenzano a seismic area?
Arenzano is classified in seismic zone 4 by the Civil Protection. The quietest class: the probability of strong earthquakes is very low.
What was the strongest earthquake near Arenzano?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Arenzano was magnitude 3.1, on 10 October 2015.
When was the last quake near Arenzano?
The last quake recorded within 30 km of Arenzano dates back to 13 October 2026, magnitude 0.4.
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)