Earthquakes in Lettere
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?
Medium-low seismicity: strong quakes are rare, but not impossible.
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 = 0.105 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Lettere plus nearby towns.
The seismic history of Lettere
The earthquakes that were actually felt in Lettere over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002III1 November 2002
Light: felt by few people, like a passing truck.
Molise earthquake (M5.7), epicentre 118 km away · observed at Lettere (Piazza Roma)
- 1999III-IV9 October 1999
Moderate: felt by many indoors; glasses and dishes rattle.
Area vesuviana earthquake (M3.2), epicentre 18 km away · observed at Lettere (Piazza Roma)
- 1996III-IV3 April 1996
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia earthquake (M4.9), epicentre 76 km away · observed at Lettere (Piazza Roma)
- 1991II26 May 1991
Very light: felt only by a few people at rest, on upper floors.
Potentino earthquake (M5.1), epicentre 106 km away · observed at Lettere (Piazza Roma)
- 1990VI5 May 1990
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Potentino earthquake (M5.8), epicentre 100 km away · observed at Lettere (Piazza Roma)
- 1694V7 October 1694
Rather strong: felt by almost everyone; hanging objects swing.
Penisola sorrentina earthquake (M4.7), epicentre 10 km away · observed at Lettere (Piazza Roma)
- 1694VI-VII8 September 1694
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Irpinia-Basilicata earthquake (M6.7), epicentre 74 km away · observed at Lettere (Piazza Roma)
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 50 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
3 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Lettere 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 Napoli112 events · 30gCampania region129 events · 30gFrequently asked questions
Were there earthquakes today in Lettere?
No, no quakes were recorded today in the Lettere area: the latest nearby dates back to 35 months ago.
Is Lettere a seismic area?
Lettere is classified in seismic zone 3 by the Civil Protection. Medium-low seismicity: strong quakes are rare, but not impossible.
What was the strongest earthquake near Lettere?
In the last ~12 years of INGV data, the strongest within 30 km of Lettere was magnitude 3.1, in 2024.
When was the last quake near Lettere?
The last quake recorded within 30 km of Lettere 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)