Earthquakes in Carrosio
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 = 0.090 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Carrosio plus nearby towns.
The seismic history of Carrosio
The earthquakes that were actually felt in Carrosio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF18 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M4.0), epicentre 41 km away
- 2005NF13 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M3.7), epicentre 38 km away
- 2001II18 July 2001
Very light: felt only by a few people at rest, on upper floors.
Monferrato earthquake (M4.2), epicentre 37 km away
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 70 km away
- 1906NF14 July 1906
Imperceptible: only instruments record it.
Valle Scrivia earthquake (M4.2), epicentre 9 km away
- 1897II6 July 1897
Very light: felt only by a few people at rest, on upper floors.
Mar Ligure earthquake (M4.2), epicentre 31 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 24 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
26 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Carrosio 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 region34 events · 30gFrequently asked questions
Were there earthquakes today in Carrosio?
No, no quakes were recorded today in the Carrosio area: the latest nearby dates back to 10 months ago.
Is Carrosio a seismic area?
Carrosio 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 Carrosio?
In the last ~12 years of INGV data, the strongest within 30 km of Carrosio was magnitude 3.1, in 2020.
When was the last quake near Carrosio?
The last quake recorded within 30 km of Carrosio 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)