Earthquakes in Ostana
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 = 0.135 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Ostana plus nearby towns.
The seismic history of Ostana
The earthquakes that were actually felt in Ostana over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1959V5 April 1959
Rather strong: felt by almost everyone; hanging objects swing.
Ubaye earthquake (M5.4), epicentre 40 km away · observed at Ostana (Villa)
- 1956V1 June 1956
Rather strong: felt by almost everyone; hanging objects swing.
Alta Valle del Po earthquake (M4.3), epicentre 8 km away · observed at Ostana (Villa)
- 1887VI23 February 1887
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Liguria occidentale earthquake (M6.3), epicentre 111 km away · observed at Ostana (Villa)
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 10 km from Western 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?
Ostana sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Cuneo20 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Ostana?
No, no quakes were recorded today in the Ostana area: the latest nearby dates back to 12 days ago.
Is Ostana a seismic area?
Ostana 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 Ostana?
In the last ~12 years of INGV data, the strongest within 30 km of Ostana was magnitude 3.7, in 2016.
When was the last quake near Ostana?
The last quake recorded within 30 km of Ostana was 8 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)