Earthquakes today in Colle Brianza
Today, within 30 km: no earthquakes recorded (updated at 11:37). Latest: M1.4 on 4 January 2026 at 11:44, 1 km South-East of Zanica, 27 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Colle Brianza: zone 3
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 = 0.061 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Colle Brianza. “In the town”: quakes whose nearest town to the epicentre is Colle Brianza.
The seismic history of Colle Brianza
The earthquakes that were actually felt in Colle Brianza over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1995III29 October 1995
Light: felt by few people, like a passing truck.
Lago d'Iseo earthquake (M4.3), epicentre 36 km away · observed at Colle Brianza (Nava)
- 1991III-IV20 November 1991
Moderate: felt by many indoors; glasses and dishes rattle.
Grigioni, Vaz earthquake (M4.7), epicentre 109 km away · observed at Colle Brianza (Nava)
- 1887SF20 May 1887
Light: felt by few people, like a passing truck.
Lecchese earthquake (M4.0), epicentre 8 km away · observed at San Genesio
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 1 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).
Over time within 30 km
Earthquake map within 30 km
36 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Colle Brianza 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 Lecco0 events · last 30 daysLombardy region14 events · last 30 daysFrequently asked questions
Were there earthquakes near Colle Brianza today?
No, no quakes were recorded today within 30 km of Colle Brianza. The latest dates back to 4 January 2026.
Is Colle Brianza a seismic area?
Colle Brianza 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 Colle Brianza?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Colle Brianza was magnitude 3.9, on 18 December 2021.
When was the last quake near Colle Brianza?
The last quake recorded within 30 km of Colle Brianza dates back to 4 January 2026, magnitude 1.4.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)