Earthquakes in San Giorio di Susa
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 = 0.134 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Giorio di Susa plus nearby towns.
The seismic history of San Giorio di Susa
The earthquakes that were actually felt in San Giorio di Susa over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1991NF11 February 1991
Imperceptible: only instruments record it.
Briançonnais earthquake (M4.3), epicentre 40 km away
- 1887IV23 February 1887
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M6.3), epicentre 149 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 26 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?
San Giorio di Susa 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 Torino12 events · 30gPiedmont region36 events · 30gFrequently asked questions
Were there earthquakes today in San Giorio di Susa?
Yes: today the San Giorio di Susa area (town and surroundings) recorded 1 quakes; the most recent 2 hours ago.
Is San Giorio di Susa a seismic area?
San Giorio di Susa 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 San Giorio di Susa?
In the last ~12 years of INGV data, the strongest within 30 km of San Giorio di Susa was magnitude 3.7, in 2016.
When was the last quake near San Giorio di Susa?
The last quake recorded within 30 km of San Giorio di Susa was 2 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)