Earthquakes in Alessano
Mar Ionio Settentrionale [Mare]
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 quietest class: the probability of strong earthquakes is very low.
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 = 0.064 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Alessano plus nearby towns.
The seismic history of Alessano
The earthquakes that were actually felt in Alessano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1988NF13 April 1988
Imperceptible: only instruments record it.
Golfo di Taranto earthquake (M4.9), epicentre 126 km away
- 1913NF28 June 1913
Imperceptible: only instruments record it.
Calabria settentrionale earthquake (M5.6), epicentre 183 km away
- 1910NF7 June 1910
Imperceptible: only instruments record it.
Irpinia-Basilicata earthquake (M5.8), epicentre 271 km away
- 1909IV20 January 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Salento earthquake (M4.5), epicentre 41 km away
- 1908III28 December 1908
Light: felt by few people, like a passing truck.
Stretto di Messina earthquake (M7.1), epicentre 300 km away
- 1901III13 December 1901
Light: felt by few people, like a passing truck.
Calabria earthquake (M4.8), epicentre 230 km away
- 1897V28 May 1897
Rather strong: felt by almost everyone; hanging objects swing.
Ionio earthquake (M5.5), epicentre 323 km away
- 1743VII20 February 1743
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ionio settentrionale earthquake (M6.7), epicentre 38 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 39 km from South Apulia Fault System - North, 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
10 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Alessano 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 Lecce0 events · 30gPuglia region20 events · 30gFrequently asked questions
Were there earthquakes today in Alessano?
No, no quakes were recorded today in the Alessano area: the latest nearby dates back to 27 months ago.
Is Alessano a seismic area?
Alessano is classified in seismic zone 4 by the Civil Protection. The quietest class: the probability of strong earthquakes is very low.
What was the strongest earthquake near Alessano?
In the last ~12 years of INGV data, the strongest within 30 km of Alessano was magnitude 3.1, in 2015.
When was the last quake near Alessano?
The last quake recorded within 30 km of Alessano was 131 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)