Earthquakes in Ronciglione
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 = 0.089 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Ronciglione plus nearby towns.
The seismic history of Ronciglione
The earthquakes that were actually felt in Ronciglione over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2017F18 January 2017
Moderate: felt by many indoors; glasses and dishes rattle.
Aquilano earthquake (M5.7), epicentre 91 km away
- 1980V28 February 1980
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.0), epicentre 84 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 78 km away
- 1969IV-V2 July 1969
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Tolfa earthquake (M4.8), epicentre 22 km away
- 1963IV2 September 1963
Moderate: felt by many indoors; glasses and dishes rattle.
Monti Cimini earthquake (M4.5), epicentre 11 km away
- 1950IV5 September 1950
Moderate: felt by many indoors; glasses and dishes rattle.
Gran Sasso earthquake (M5.7), epicentre 106 km away
- 1917F8 July 1917
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino laziale-abruzzese earthquake (M4.7), epicentre 75 km away
- 1915V13 January 1915
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M7.1), epicentre 112 km away
- 1898IV-V27 June 1898
Rather strong: felt by almost everyone; hanging objects swing.
Reatino earthquake (M5.5), epicentre 58 km away
- 1892F22 January 1892
Moderate: felt by many indoors; glasses and dishes rattle.
Colli Albani earthquake (M5.1), epicentre 74 km away
- 1877V23 December 1877
Rather strong: felt by almost everyone; hanging objects swing.
Viterbese earthquake (M4.7), epicentre 9 km away
- 1695VI-VII11 June 1695
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Lazio settentrionale earthquake (M5.8), epicentre 38 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 lies about 60 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?
Ronciglione 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 Viterbo1 events · 30gLazio region79 events · 30gFrequently asked questions
Were there earthquakes today in Ronciglione?
No, no quakes were recorded today in the Ronciglione area: the latest nearby dates back to 11 months ago.
Is Ronciglione a seismic area?
Ronciglione 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 Ronciglione?
In the last ~12 years of INGV data, the strongest within 30 km of Ronciglione was magnitude 2.5, in 2017.
When was the last quake near Ronciglione?
The last quake recorded within 30 km of Ronciglione 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)