Earthquakes in San Nazzaro
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 = 0.260 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Nazzaro plus nearby towns.
The seismic history of San Nazzaro
The earthquakes that were actually felt in San Nazzaro over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2006NF29 May 2006
Imperceptible: only instruments record it.
Gargano earthquake (M4.6), epicentre 120 km away
- 2005NF21 May 2005
Imperceptible: only instruments record it.
Area Nolana earthquake (M4.1), epicentre 30 km away
- 2003NF30 December 2003
Imperceptible: only instruments record it.
Molise earthquake (M4.5), epicentre 65 km away
- 2003NF1 June 2003
Imperceptible: only instruments record it.
Molise earthquake (M4.4), epicentre 68 km away
- 1996III3 April 1996
Light: felt by few people, like a passing truck.
Irpinia earthquake (M4.9), epicentre 66 km away
- 1990NF30 August 1990
Imperceptible: only instruments record it.
Beneventano earthquake (M3.2), epicentre 10 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 42 km away
- 1962VII-VIII21 August 1962
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia earthquake (M6.2), epicentre 21 km away
- 1930VII-VIII23 July 1930
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia earthquake (M6.7), epicentre 38 km away
- 1893II25 January 1893
Very light: felt only by a few people at rest, on upper floors.
Vallo di Diano earthquake (M5.2), epicentre 73 km away
- 1732VIII29 November 1732
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia earthquake (M6.8), epicentre 16 km away
- 1688IX5 June 1688
Destructive: many buildings partly or fully collapse.
Sannio earthquake (M7.1), epicentre 36 km away
…and 2 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 7 km from Mirabella Eclano-Monteverde, 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?
San Nazzaro 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 Benevento4 events · 30gCampania region129 events · 30gFrequently asked questions
Were there earthquakes today in San Nazzaro?
No, no quakes were recorded today in the San Nazzaro area: the latest nearby dates back to 1 month ago.
Is San Nazzaro a seismic area?
San Nazzaro 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 San Nazzaro?
In the last ~12 years of INGV data, the strongest within 30 km of San Nazzaro was magnitude 4.0, in 2025.
When was the last quake near San Nazzaro?
The last quake recorded within 30 km of San Nazzaro was 7 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)