Earthquakes in Polonghera
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 = 0.086 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Polonghera plus nearby towns.
The seismic history of Polonghera
The earthquakes that were actually felt in Polonghera over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 83 km away
- 1990V11 February 1990
Rather strong: felt by almost everyone; hanging objects swing.
Torinese earthquake (M4.7), epicentre 15 km away
- 1989NF26 December 1989
Imperceptible: only instruments record it.
Mar Ligure earthquake (M4.5), epicentre 142 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 6 km from Southern Piemonte, 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?
Polonghera 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 Cuneo22 events · 30gPiedmont region36 events · 30gFrequently asked questions
Were there earthquakes today in Polonghera?
No, no quakes were recorded today in the Polonghera area: the latest nearby dates back to 4 months ago.
Is Polonghera a seismic area?
Polonghera 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 Polonghera?
In the last ~12 years of INGV data, the strongest within 30 km of Polonghera was magnitude 3.4, in 2022.
When was the last quake near Polonghera?
The last quake recorded within 30 km of Polonghera was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)