Earthquakes in Castellania Coppi
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 = 0.093 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castellania Coppi plus nearby towns.
The seismic history of Castellania Coppi
The earthquakes that were actually felt in Castellania Coppi 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 33 km away · observed at Castellania
- 2005NF13 April 2005
Imperceptible: only instruments record it.
Valle del Trebbia earthquake (M3.7), epicentre 32 km away · observed at Castellania
- 2003D11 April 2003
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle Scrivia earthquake (M4.8), epicentre 7 km away · observed at Sant'Alosio
- 2003V-VI11 April 2003
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle Scrivia earthquake (M4.8), epicentre 7 km away · observed at Castellania
- 1887IV23 February 1887
Moderate: felt by many indoors; glasses and dishes rattle.
Liguria occidentale earthquake (M6.3), epicentre 126 km away · observed at Castellania
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 10 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
22 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castellania Coppi 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 Castellania Coppi?
No, no quakes were recorded today in the Castellania Coppi area: the latest nearby dates back to 14 months ago.
Is Castellania Coppi a seismic area?
Castellania Coppi 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 Castellania Coppi?
In the last ~12 years of INGV data, the strongest within 30 km of Castellania Coppi was magnitude 3.3, in 2025.
When was the last quake near Castellania Coppi?
The last quake recorded within 30 km of Castellania Coppi was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)