Earthquakes today in Castelspina
Today, within 30 km: no earthquakes recorded (updated at 15:21). Latest: M2.0 on 22 April 2026 at 06:46, 2 km North of Rossiglione, 9 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Castelspina: zone 3
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 = 0.072 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Castelspina. “In the town”: quakes whose nearest town to the epicentre is Castelspina.
The seismic history of Castelspina
The earthquakes that were actually felt in Castelspina 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 60 km away
- 2002NF13 November 2002
Imperceptible: only instruments record it.
Franciacorta earthquake (M4.2), epicentre 154 km away
- 2001IV-V18 July 2001
Rather strong: felt by almost everyone; hanging objects swing.
Monferrato earthquake (M4.2), epicentre 13 km away
- 2000V-VI21 August 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monferrato earthquake (M4.9), epicentre 21 km away
- 1887VI23 February 1887
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Liguria occidentale earthquake (M6.3), epicentre 112 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 22 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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Castelspina 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 · last 30 daysPiedmont region58 events · last 30 daysFrequently asked questions
Were there earthquakes near Castelspina today?
No, no quakes were recorded today within 30 km of Castelspina. The latest dates back to 22 April 2026.
Is Castelspina a seismic area?
Castelspina 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 Castelspina?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Castelspina was magnitude 3.1, on 11 September 2020.
When was the last quake near Castelspina?
The last quake recorded within 30 km of Castelspina dates back to 22 April 2026, magnitude 2.0.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)