Earthquakes in Osiglia
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is this area?
Medium-low seismicity: strong quakes are rare, but not impossible.
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 = 0.070 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Osiglia plus nearby towns.
The seismic history of Osiglia
The earthquakes that were actually felt in Osiglia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001III-IV6 February 2001
Moderate: felt by many indoors; glasses and dishes rattle.
Mar Ligure earthquake (M4.2), epicentre 43 km away
- 2000III21 August 2000
Light: felt by few people, like a passing truck.
Monferrato earthquake (M4.9), epicentre 72 km away
- 1993V17 July 1993
Rather strong: felt by almost everyone; hanging objects swing.
Liguria occidentale earthquake (M4.3), epicentre 10 km away
- 1970IV31 December 1970
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M4.6), epicentre 16 km away
- 1887VII23 February 1887
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Liguria occidentale earthquake (M6.3), epicentre 46 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 31 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).
Area over time
Earthquake map
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Osiglia is among the quietest towns of its province: very few epicentres are recorded here.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Savona5 events · 30gLiguria region13 events · 30gFrequently asked questions
Were there earthquakes today in Osiglia?
No, no quakes were recorded today in the Osiglia area: the latest nearby dates back to 13 days ago.
Is Osiglia a seismic area?
Osiglia 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 Osiglia?
In the last ~12 years of INGV data, the strongest within 30 km of Osiglia was magnitude 2.4, in 2015.
When was the last quake near Osiglia?
The last quake recorded within 30 km of Osiglia was 13 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)