Earthquakes in Siano
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 = 0.159 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Siano plus nearby towns.
The seismic history of Siano
The earthquakes that were actually felt in Siano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005III-IV21 May 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Area Nolana earthquake (M4.1), epicentre 25 km away
- 2003III-IV1 June 2003
Moderate: felt by many indoors; glasses and dishes rattle.
Molise earthquake (M4.4), epicentre 96 km away
- 1996IV-V3 April 1996
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia earthquake (M4.9), epicentre 67 km away
- 1990VI5 May 1990
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Potentino earthquake (M5.8), epicentre 89 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 50 km away
- 1962V-VI21 August 1962
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M6.2), epicentre 52 km away
- 1930D23 July 1930
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Irpinia earthquake (M6.7), epicentre 61 km away
- 1910V7 June 1910
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia-Basilicata earthquake (M5.8), epicentre 63 km away
- 1857VI-VII16 December 1857
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Basilicata earthquake (M7.1), epicentre 110 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 34 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
13 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Siano is about average for its province in recorded quakes.
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 Siano?
No, no quakes were recorded today in the Siano area: the latest nearby dates back to 6 months ago.
Is Siano a seismic area?
Siano 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 Siano?
In the last ~12 years of INGV data, the strongest within 30 km of Siano was magnitude 4.0, in 2025.
When was the last quake near Siano?
The last quake recorded within 30 km of Siano 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)