Earthquakes in Ornago
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 = 0.072 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Ornago plus nearby towns.
The seismic history of Ornago
The earthquakes that were actually felt in Ornago over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002NF13 November 2002
Imperceptible: only instruments record it.
Franciacorta earthquake (M4.2), epicentre 56 km away
- 2000NF21 August 2000
Imperceptible: only instruments record it.
Monferrato earthquake (M4.9), epicentre 112 km away
- 1995NF29 October 1995
Imperceptible: only instruments record it.
Lago d'Iseo earthquake (M4.3), epicentre 36 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 5 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).
Area over time
Earthquake map
2 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Ornago 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 Monza e Brianza0 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Ornago?
No, no quakes were recorded today in the Ornago area: the latest nearby dates back to 105 months ago.
Is Ornago a seismic area?
Ornago 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 Ornago?
In the last ~12 years of INGV data, the strongest within 30 km of Ornago was magnitude 3.9, in 2021.
When was the last quake near Ornago?
The last quake recorded within 30 km of Ornago was 8 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)