Earthquakes in Castel d'Aiano
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.162 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castel d'Aiano plus nearby towns.
The seismic history of Castel d'Aiano
The earthquakes that were actually felt in Castel d'Aiano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2003V14 September 2003
Rather strong: felt by almost everyone; hanging objects swing.
Appennino bolognese earthquake (M5.2), epicentre 29 km away
- 2002II18 June 2002
Very light: felt only by a few people at rest, on upper floors.
Frignano earthquake (M4.3), epicentre 30 km away
- 2002NF8 June 2002
Imperceptible: only instruments record it.
Frignano earthquake (M4.2), epicentre 32 km away
- 2000III3 October 2000
Light: felt by few people, like a passing truck.
Frignano earthquake (M4.2), epicentre 29 km away
- 1999V7 July 1999
Rather strong: felt by almost everyone; hanging objects swing.
Frignano earthquake (M4.7), epicentre 13 km away
- 1997NF24 December 1997
Imperceptible: only instruments record it.
Garfagnana earthquake (M4.3), epicentre 44 km away
- 1995NF10 October 1995
Imperceptible: only instruments record it.
Lunigiana earthquake (M4.8), epicentre 84 km away
- 1995III-IV24 August 1995
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino pistoiese earthquake (M4.5), epicentre 17 km away
- 1992NF17 April 1992
Imperceptible: only instruments record it.
Appennino bolognese earthquake (M4.1), epicentre 17 km away
- 1986IV6 December 1986
Moderate: felt by many indoors; glasses and dishes rattle.
Ferrarese earthquake (M4.4), epicentre 81 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 16 km from Castelvetro di Modena-Castel San Pietro Terme, 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
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castel d'Aiano sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Bologna10 events · 30gEmilia-Romagna region108 events · 30gFrequently asked questions
Were there earthquakes today in Castel d'Aiano?
Yes: today the Castel d'Aiano area (town and surroundings) recorded 1 quakes; the most recent 11 hours ago.
Is Castel d'Aiano a seismic area?
Castel d'Aiano 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 Castel d'Aiano?
In the last ~11 years of INGV data, the strongest within 30 km of Castel d'Aiano was magnitude 4.3, in 2015.
When was the last quake near Castel d'Aiano?
The last quake recorded within 30 km of Castel d'Aiano was 11 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)