Earthquakes today in Grezzago
Today, within 30 km: no earthquakes recorded (updated at 10:48). Latest: M2.7 on 11 February 2026 at 09:15, 2 km South-East of Cremosano, 36 km deep.
Latest earthquake within 30 km
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 Grezzago: 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 = 0.086 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Grezzago. “In the town”: quakes whose nearest town to the epicentre is Grezzago.
The seismic history of Grezzago
The earthquakes that were actually felt in Grezzago over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1995II-III29 October 1995
Light: felt by few people, like a passing truck.
Lago d'Iseo earthquake (M4.3), epicentre 31 km away
- 1991NF20 November 1991
Imperceptible: only instruments record it.
Grigioni, Vaz earthquake (M4.7), epicentre 127 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 3 km from Western S-Alps external thrust deep, 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
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Grezzago 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 Milano0 events · last 30 daysLombardy region14 events · last 30 daysFrequently asked questions
Were there earthquakes near Grezzago today?
No, no quakes were recorded today within 30 km of Grezzago. The latest dates back to 11 February 2026.
Is Grezzago a seismic area?
Grezzago 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 Grezzago?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Grezzago was magnitude 3.9, on 18 December 2021.
When was the last quake near Grezzago?
The last quake recorded within 30 km of Grezzago dates back to 11 February 2026, magnitude 2.7.
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)