Earthquakes today in Grassano
Today, within 30 km: no earthquakes recorded (updated at 10:41). Latest: M0.8 on 6 October 2026 at 18:22, 12 km South-West of Altamura, 10 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Grassano: zone 2
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 = 0.162 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Grassano. “In the town”: quakes whose nearest town to the epicentre is Grassano.
The seismic history of Grassano
The earthquakes that were actually felt in Grassano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2006IV22 June 2006
Moderate: felt by many indoors; glasses and dishes rattle.
Costa calabra settentrionale earthquake (M4.7), epicentre 107 km away
- 1996IV3 April 1996
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia earthquake (M4.9), epicentre 70 km away
- 1991IV-V26 May 1991
Rather strong: felt by almost everyone; hanging objects swing.
Potentino earthquake (M5.1), epicentre 40 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 47 km away
- 1988IV8 January 1988
Moderate: felt by many indoors; glasses and dishes rattle.
Pollino earthquake (M4.7), epicentre 76 km away
- 1980VII23 November 1980
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Irpinia-Basilicata earthquake (M6.8), epicentre 88 km away
- 1978V24 September 1978
Rather strong: felt by almost everyone; hanging objects swing.
Materano earthquake (M4.8), epicentre 17 km away
- 1956VII9 January 1956
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Materano earthquake (M4.7), epicentre 10 km away
- 1930V-VI23 July 1930
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M6.7), epicentre 95 km away
- 1905V8 September 1905
Rather strong: felt by almost everyone; hanging objects swing.
Calabria centrale earthquake (M7.0), epicentre 205 km away
- 1857VIII-IX16 December 1857
Destructive: many buildings partly or fully collapse.
Basilicata earthquake (M7.1), epicentre 50 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 78 km away
…and 11 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 2 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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Grassano 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 Matera3 events · last 30 daysBasilicata region30 events · last 30 daysFrequently asked questions
Were there earthquakes near Grassano today?
No, no quakes were recorded today within 30 km of Grassano. The latest dates back to 6 October 2026.
Is Grassano a seismic area?
Grassano 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 Grassano?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Grassano was magnitude 3.5, on 14 August 2021.
When was the last quake near Grassano?
The last quake recorded within 30 km of Grassano dates back to 6 October 2026, magnitude 0.8.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)