Earthquakes in Irsina
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 = 0.124 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Irsina plus nearby towns.
The seismic history of Irsina
The earthquakes that were actually felt in Irsina over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2006III-IV29 May 2006
Moderate: felt by many indoors; glasses and dishes rattle.
Gargano earthquake (M4.6), epicentre 122 km away
- 2004III3 September 2004
Light: felt by few people, like a passing truck.
Potentino earthquake (M4.4), epicentre 47 km away
- 1996III-IV3 April 1996
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia earthquake (M4.9), epicentre 67 km away
- 1991V26 May 1991
Rather strong: felt by almost everyone; hanging objects swing.
Potentino earthquake (M5.1), epicentre 36 km away
- 1990V-VI5 May 1990
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Potentino earthquake (M5.8), epicentre 42 km away
- 1987IV28 January 1987
Moderate: felt by many indoors; glasses and dishes rattle.
Potentino earthquake (M4.5), epicentre 59 km away
- 1980VI23 November 1980
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia-Basilicata earthquake (M6.8), epicentre 81 km away
- 1978V24 September 1978
Rather strong: felt by almost everyone; hanging objects swing.
Materano earthquake (M4.8), epicentre 23 km away
- 1966IV6 July 1966
Moderate: felt by many indoors; glasses and dishes rattle.
Alta Murgia earthquake (M4.3), epicentre 25 km away
- 1956V9 January 1956
Rather strong: felt by almost everyone; hanging objects swing.
Materano earthquake (M4.7), epicentre 21 km away
- 1930VI23 July 1930
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M6.7), epicentre 86 km away
- 1857VII16 December 1857
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Basilicata earthquake (M7.1), epicentre 55 km away
…and 9 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 8 km from Baragiano-Palagianello, 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?
Irsina records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Matera5 events · 30gBasilicata region31 events · 30gFrequently asked questions
Were there earthquakes today in Irsina?
No, no quakes were recorded today in the Irsina area: the latest nearby dates back to 13 days ago.
Is Irsina a seismic area?
Irsina 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 Irsina?
In the last ~12 years of INGV data, the strongest within 30 km of Irsina was magnitude 3.4, in 2021.
When was the last quake near Irsina?
The last quake recorded within 30 km of Irsina was 13 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)