Earthquakes in Nepi
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 = 0.079 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Nepi plus nearby towns.
The seismic history of Nepi
The earthquakes that were actually felt in Nepi over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005III-IV22 August 2005
Moderate: felt by many indoors; glasses and dishes rattle.
Costa laziale earthquake (M4.8), epicentre 95 km away
- 1997III-IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 91 km away
- 1997V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 102 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 100 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 102 km away
- 1984IV7 May 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Monti della Meta earthquake (M5.9), epicentre 157 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 291 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 79 km away
- 1951IV1 September 1951
Moderate: felt by many indoors; glasses and dishes rattle.
Monti Sibillini earthquake (M5.3), epicentre 122 km away
- 1919IV22 October 1919
Moderate: felt by many indoors; glasses and dishes rattle.
Anzio earthquake (M5.2), epicentre 88 km away
- 1915VI-VII13 January 1915
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Marsica earthquake (M7.1), epicentre 103 km away
- 1899F19 July 1899
Moderate: felt by many indoors; glasses and dishes rattle.
Colli Albani earthquake (M5.1), epicentre 55 km away
…and 10 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 55 km from Salto Lake-Ovindoli-Barrea, 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
12 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Nepi 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 Viterbo1 events · 30gLazio region80 events · 30gFrequently asked questions
Were there earthquakes today in Nepi?
No, no quakes were recorded today in the Nepi area: the latest nearby dates back to 35 months ago.
Is Nepi a seismic area?
Nepi 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 Nepi?
In the last ~12 years of INGV data, the strongest within 30 km of Nepi was magnitude 2.5, in 2017.
When was the last quake near Nepi?
The last quake recorded within 30 km of Nepi was 26 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)