Earthquakes in Orio al Serio
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 = 0.118 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Orio al Serio plus nearby towns.
The seismic history of Orio al Serio
The earthquakes that were actually felt in Orio al Serio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1991NF20 November 1991
Imperceptible: only instruments record it.
Grigioni, Vaz earthquake (M4.7), epicentre 119 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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
11 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Orio al Serio 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 Bergamo1 events · 30gLombardy region11 events · 30gFrequently asked questions
Were there earthquakes today in Orio al Serio?
No, no quakes were recorded today in the Orio al Serio area: the latest nearby dates back to 8 months ago.
Is Orio al Serio a seismic area?
Orio al Serio 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 Orio al Serio?
In the last ~12 years of INGV data, the strongest within 30 km of Orio al Serio was magnitude 3.9, in 2021.
When was the last quake near Orio al Serio?
The last quake recorded within 30 km of Orio al Serio 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)