Earthquakes in San Gregorio Magno
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 San Gregorio Magno plus nearby towns.
The seismic history of San Gregorio Magno
The earthquakes that were actually felt in San Gregorio Magno over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1996V16 July 1996
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia earthquake (M3.5), epicentre 3 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 6 km away
- 1991V-VI26 May 1991
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Potentino earthquake (M5.1), epicentre 37 km away
- 1990VI5 May 1990
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Potentino earthquake (M5.8), epicentre 30 km away
- 1987V28 January 1987
Rather strong: felt by almost everyone; hanging objects swing.
Potentino earthquake (M4.5), epicentre 22 km away
- 1982V15 August 1982
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia earthquake (M5.3), epicentre 20 km away
- 1980VIII23 November 1980
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia-Basilicata earthquake (M6.8), epicentre 20 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 5 km away
- 1910VII7 June 1910
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Irpinia-Basilicata earthquake (M5.8), epicentre 24 km away
- 1857VII-VIII16 December 1857
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Basilicata earthquake (M7.1), epicentre 53 km away
- 1694VII-VIII8 September 1694
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia-Basilicata earthquake (M6.7), epicentre 20 km away
- 1466VIII15 January 1466
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Irpinia-Basilicata earthquake (M6.0), epicentre 10 km away
…and 12 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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 Gregorio Magno 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 San Gregorio Magno?
No, no quakes were recorded today in the San Gregorio Magno area: the latest nearby dates back to 8 days ago.
Is San Gregorio Magno a seismic area?
San Gregorio Magno 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 Gregorio Magno?
In the last ~12 years of INGV data, the strongest within 30 km of San Gregorio Magno was magnitude 3.9, in 2024.
When was the last quake near San Gregorio Magno?
The last quake recorded within 30 km of San Gregorio Magno 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)