Earthquakes in Osasco
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 = 0.131 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Osasco plus nearby towns.
The seismic history of Osasco
The earthquakes that were actually felt in Osasco over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF12 June 2005
Imperceptible: only instruments record it.
Val di Susa earthquake (M3.8), epicentre 32 km away
- 1995IV-V4 January 1995
Rather strong: felt by almost everyone; hanging objects swing.
Val Chisone earthquake (M3.7), epicentre 3 km away
- 1991NF11 February 1991
Imperceptible: only instruments record it.
Briançonnais earthquake (M4.3), epicentre 45 km away
- 1980VI5 January 1980
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Torinese earthquake (M4.8), epicentre 18 km away
- 1955IV20 June 1955
Moderate: felt by many indoors; glasses and dishes rattle.
Cuneese earthquake (M4.8), epicentre 39 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 118 km away
- 1808VII-VIII2 April 1808
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Val Pellice earthquake (M5.6), epicentre 8 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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?
Osasco 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 Osasco?
No, no quakes were recorded today in the Osasco area: the latest nearby dates back to 1 month ago.
Is Osasco a seismic area?
Osasco 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 Osasco?
In the last ~12 years of INGV data, the strongest within 30 km of Osasco was magnitude 3.7, in 2016.
When was the last quake near Osasco?
The last quake recorded within 30 km of Osasco was 4 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)