Earthquakes in Collesano
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 = 0.179 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Collesano plus nearby towns.
The seismic history of Collesano
The earthquakes that were actually felt in Collesano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002V6 September 2002
Rather strong: felt by almost everyone; hanging objects swing.
Tirreno meridionale earthquake (M5.9), epicentre 51 km away
- 2001IV-V25 November 2001
Rather strong: felt by almost everyone; hanging objects swing.
Monti Madonie earthquake (M4.7), epicentre 12 km away
- 1994IV6 May 1994
Moderate: felt by many indoors; glasses and dishes rattle.
Sicilia centrale earthquake (M4.4), epicentre 40 km away
- 1993III26 June 1993
Light: felt by few people, like a passing truck.
Monti Madonie ? earthquake (M4.9), epicentre 25 km away
- 1990III-IV13 December 1990
Moderate: felt by many indoors; glasses and dishes rattle.
Sicilia sud-orientale earthquake (M5.6), epicentre 151 km away
- 1971IV3 February 1971
Moderate: felt by many indoors; glasses and dishes rattle.
Tirreno meridionale earthquake (M4.6), epicentre 87 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 84 km away
- 1959V23 December 1959
Rather strong: felt by almost everyone; hanging objects swing.
Piana di Catania earthquake (M5.1), epicentre 109 km away
- 1925IV8 March 1925
Moderate: felt by many indoors; glasses and dishes rattle.
Monti Nebrodi earthquake (M4.6), epicentre 43 km away
- 1823VII-VIII5 March 1823
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Sicilia settentrionale earthquake (M5.8), epicentre 47 km away
- 1819VII-VIII24 February 1819
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Monti Madonie earthquake (M5.4), epicentre 12 km away
- 1818VI8 September 1818
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monti Madonie earthquake (M5.3), epicentre 21 km away
…and 10 more documented effects in this town's history.
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 43 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?
Collesano is about average for its province in recorded quakes.
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 Collesano?
No, no quakes were recorded today in the Collesano area: the latest nearby dates back to 21 hours ago.
Is Collesano a seismic area?
Collesano 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 Collesano?
In the last ~12 years of INGV data, the strongest within 30 km of Collesano was magnitude 4.3, in 2021.
When was the last quake near Collesano?
The last quake recorded within 30 km of Collesano was 21 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)