Earthquakes in Osasio
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 = 0.066 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Osasio plus nearby towns.
The seismic history of Osasio
The earthquakes that were actually felt in Osasio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000NF21 August 2000
Imperceptible: only instruments record it.
Monferrato earthquake (M4.9), epicentre 61 km away
- 1990V11 February 1990
Rather strong: felt by almost everyone; hanging objects swing.
Torinese earthquake (M4.7), epicentre 6 km away
- 1887VI23 February 1887
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Liguria occidentale earthquake (M6.3), epicentre 114 km away
- 1886V5 September 1886
Rather strong: felt by almost everyone; hanging objects swing.
Torinese earthquake (M5.2), epicentre 30 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 5 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
44 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Osasio 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 Torino12 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Osasio?
No, no quakes were recorded today in the Osasio area: the latest nearby dates back to 10 months ago.
Is Osasio a seismic area?
Osasio 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 Osasio?
In the last ~12 years of INGV data, the strongest within 30 km of Osasio was magnitude 3.4, in 2022.
When was the last quake near Osasio?
The last quake recorded within 30 km of Osasio 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)