Earthquakes in Grosio
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 = 0.100 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Grosio plus nearby towns.
The seismic history of Grosio
The earthquakes that were actually felt in Grosio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002II-III13 November 2002
Light: felt by few people, like a passing truck.
Franciacorta earthquake (M4.2), epicentre 78 km away
- 2001III-IV17 July 2001
Moderate: felt by many indoors; glasses and dishes rattle.
Val Venosta earthquake (M4.8), epicentre 75 km away
- 2000II-III6 April 2000
Light: felt by few people, like a passing truck.
Alpi Retiche earthquake (M4.0), epicentre 22 km away
- 1999III31 December 1999
Light: felt by few people, like a passing truck.
Alpi Retiche earthquake (M4.1), epicentre 24 km away
- 1999IV29 December 1999
Moderate: felt by many indoors; glasses and dishes rattle.
Alpi Retiche earthquake (M4.8), epicentre 23 km away
- 1976NF13 December 1976
Imperceptible: only instruments record it.
Garda settentrionale earthquake (M4.9), epicentre 67 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 58 km from Giudicarie, 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?
Grosio 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 Sondrio5 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Grosio?
No, no quakes were recorded today in the Grosio area: the latest nearby dates back to 4 days ago.
Is Grosio a seismic area?
Grosio 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 Grosio?
In the last ~12 years of INGV data, the strongest within 30 km of Grosio was magnitude 3.1, in 2016.
When was the last quake near Grosio?
The last quake recorded within 30 km of Grosio was 18 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)