Earthquakes in Val Masino
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 = 0.065 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Val Masino plus nearby towns.
The seismic history of Val Masino
The earthquakes that were actually felt in Val Masino over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001III-IV17 July 2001
Moderate: felt by many indoors; glasses and dishes rattle.
Val Venosta earthquake (M4.8), epicentre 121 km away · observed at Val Masino (Cataeggio)
- 1999IV31 December 1999
Moderate: felt by many indoors; glasses and dishes rattle.
Alpi Retiche earthquake (M4.1), epicentre 63 km away · observed at Val Masino (Cataeggio)
- 1991V20 November 1991
Rather strong: felt by almost everyone; hanging objects swing.
Grigioni, Vaz earthquake (M4.7), epicentre 55 km away · observed at Val Masino (Cataeggio)
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 56 km from Western S-Alps internal thrust, 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
23 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Val Masino 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 Sondrio5 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Val Masino?
No, no quakes were recorded today in the Val Masino area: the latest nearby dates back to 7 months ago.
Is Val Masino a seismic area?
Val Masino 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 Val Masino?
In the last ~12 years of INGV data, the strongest within 30 km of Val Masino was magnitude 3.3, in 2017.
When was the last quake near Val Masino?
The last quake recorded within 30 km of Val Masino 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)