Earthquakes in Castellazzo Bormida
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 = 0.059 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castellazzo Bormida plus nearby towns.
The seismic history of Castellazzo Bormida
The earthquakes that were actually felt in Castellazzo Bormida 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 62 km away
- 2002NF13 November 2002
Imperceptible: only instruments record it.
Franciacorta earthquake (M4.2), epicentre 152 km away
- 2001IV-V18 July 2001
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.2), epicentre 13 km away
- 2000V21 August 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.9), epicentre 18 km away
- 1993NF17 July 1993
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.3), epicentre 76 km away
- 1960II23 March 1960
Very light: felt only by a few people at rest, on upper floors.
Vallese earthquake (M5.0), epicentre 176 km away · observed at Campagna
- 1913NF27 March 1913
Imperceptible: only instruments record it.
Val Trebbia earthquake (M4.2), epicentre 59 km away
- 1906NF11 August 1906
Imperceptible: only instruments record it.
Liguria occidentale earthquake (M4.4), epicentre 129 km away
- 1901NF25 May 1901
Imperceptible: only instruments record it.
Piemonte centro-meridionale earthquake (M4.5), epicentre 81 km away
- 1898NF4 March 1898
Imperceptible: only instruments record it.
Parmense earthquake (M5.4), epicentre 134 km away
- 1897NF6 July 1897
Imperceptible: only instruments record it.
Mar Ligure earthquake (M4.2), epicentre 47 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 19 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
9 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castellazzo Bormida 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 Alessandria0 events · 30gPiedmont region34 events · 30gFrequently asked questions
Were there earthquakes today in Castellazzo Bormida?
No, no quakes were recorded today in the Castellazzo Bormida area: the latest nearby dates back to 23 months ago.
Is Castellazzo Bormida a seismic area?
Castellazzo Bormida 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 Castellazzo Bormida?
In the last ~12 years of INGV data, the strongest within 30 km of Castellazzo Bormida was magnitude 3.1, in 2020.
When was the last quake near Castellazzo Bormida?
The last quake recorded within 30 km of Castellazzo Bormida was 15 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)