Earthquakes in Bosio
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 = 0.080 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Bosio plus nearby towns.
The seismic history of Bosio
The earthquakes that were actually felt in Bosio 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 161 km away
- 2001IV18 July 2001
Moderate: felt by many indoors; glasses and dishes rattle.
Monferrato earthquake (M4.2), epicentre 38 km away
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 59 km away
- 1913IV-V7 December 1913
Rather strong: felt by almost everyone; hanging objects swing.
Valle Scrivia earthquake (M4.6), epicentre 20 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 34 km from Eastern Monferrato, 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
51 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Bosio records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Alessandria0 events · 30gPiedmont region36 events · 30gFrequently asked questions
Were there earthquakes today in Bosio?
No, no quakes were recorded today in the Bosio area: the latest nearby dates back to 11 days ago.
Is Bosio a seismic area?
Bosio 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 Bosio?
In the last ~12 years of INGV data, the strongest within 30 km of Bosio was magnitude 4.0, in 2022.
When was the last quake near Bosio?
The last quake recorded within 30 km of Bosio was 11 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)