Earthquakes in Sant'Olcese
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 = 0.080 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Sant'Olcese plus nearby towns.
The seismic history of Sant'Olcese
The earthquakes that were actually felt in Sant'Olcese over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF18 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M4.0), epicentre 40 km away
- 2005NF13 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M3.7), epicentre 37 km away
- 1970NF31 December 1970
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.6), epicentre 76 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 42 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?
Sant'Olcese 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 Genova2 events · 30gLiguria region13 events · 30gFrequently asked questions
Were there earthquakes today in Sant'Olcese?
No, no quakes were recorded today in the Sant'Olcese area: the latest nearby dates back to 11 days ago.
Is Sant'Olcese a seismic area?
Sant'Olcese 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 Sant'Olcese?
In the last ~12 years of INGV data, the strongest within 30 km of Sant'Olcese was magnitude 4.0, in 2022.
When was the last quake near Sant'Olcese?
The last quake recorded within 30 km of Sant'Olcese was 11 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)