Earthquakes in Colliano
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?
The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
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 = 0.249 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Colliano plus nearby towns.
The seismic history of Colliano
The earthquakes that were actually felt in Colliano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2004IV-V24 February 2004
Rather strong: felt by almost everyone; hanging objects swing.
Appennino lucano earthquake (M4.2), epicentre 10 km away
- 2004IV23 February 2004
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino lucano earthquake (M3.8), epicentre 9 km away
- 1999IV5 April 1999
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia earthquake (M4.0), epicentre 5 km away
- 1996V-VI3 April 1996
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M4.9), epicentre 13 km away
- 1990V5 May 1990
Rather strong: felt by almost everyone; hanging objects swing.
Potentino earthquake (M5.8), epicentre 35 km away
- 1982V-VI15 August 1982
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M5.3), epicentre 14 km away
- 1980VIII-IX23 November 1980
Destructive: many buildings partly or fully collapse.
Irpinia-Basilicata earthquake (M6.8), epicentre 14 km away
- 1973V-VI8 August 1973
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Appennino campano-lucano earthquake (M4.8), epicentre 11 km away
- 1910VI7 June 1910
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia-Basilicata earthquake (M5.8), epicentre 22 km away
- 1853VI9 April 1853
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M5.6), epicentre 14 km away
- 1694VII8 September 1694
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Irpinia-Basilicata earthquake (M6.7), epicentre 18 km away
- 1466VIII15 January 1466
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia-Basilicata earthquake (M6.0), epicentre 5 km away
…and 8 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 1 km from Irpinia-Agri Valley, 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?
Colliano 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 Salerno9 events · 30gCampania region129 events · 30gFrequently asked questions
Were there earthquakes today in Colliano?
No, no quakes were recorded today in the Colliano area: the latest nearby dates back to 8 days ago.
Is Colliano a seismic area?
Colliano is classified in seismic zone 1 by the Civil Protection. The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
What was the strongest earthquake near Colliano?
In the last ~12 years of INGV data, the strongest within 30 km of Colliano was magnitude 3.9, in 2024.
When was the last quake near Colliano?
The last quake recorded within 30 km of Colliano was 4 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)