Earthquakes in Casteldaccia
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?
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.180 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Casteldaccia plus nearby towns.
The seismic history of Casteldaccia
The earthquakes that were actually felt in Casteldaccia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF21 November 2005
Imperceptible: only instruments record it.
Sicilia centrale earthquake (M4.6), epicentre 67 km away
- 2004NF5 May 2004
Imperceptible: only instruments record it.
Isole Eolie earthquake (M5.4), epicentre 124 km away
- 2002V-VI6 September 2002
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Tirreno meridionale earthquake (M5.9), epicentre 41 km away
- 1981II7 June 1981
Very light: felt only by a few people at rest, on upper floors.
Mazara del Vallo earthquake (M4.9), epicentre 101 km away
- 1968VI15 January 1968
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle del Belice earthquake (M6.4), epicentre 57 km away
- 1940VI-VII15 January 1940
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Tirreno meridionale earthquake (M5.3), epicentre 13 km away
- 1907V21 January 1907
Rather strong: felt by almost everyone; hanging objects swing.
Tirreno meridionale earthquake (M4.1), epicentre 1 km away
- 1906V11 September 1906
Rather strong: felt by almost everyone; hanging objects swing.
Tirreno meridionale earthquake (M5.0), epicentre 12 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 31 km from Southern Tyrrhenian S, 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?
Casteldaccia 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 Palermo13 events · 30gSicily region127 events · 30gFrequently asked questions
Were there earthquakes today in Casteldaccia?
No, no quakes were recorded today in the Casteldaccia area: the latest nearby dates back to 2 months ago.
Is Casteldaccia a seismic area?
Casteldaccia is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Casteldaccia?
In the last ~12 years of INGV data, the strongest within 30 km of Casteldaccia was magnitude 3.0, in 2015.
When was the last quake near Casteldaccia?
The last quake recorded within 30 km of Casteldaccia was 2 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)