Earthquakes in Valmontone
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 = 0.170 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Valmontone plus nearby towns.
The seismic history of Valmontone
The earthquakes that were actually felt in Valmontone over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV11 March 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Aniene earthquake (M4.3), epicentre 23 km away
- 1987IV11 April 1987
Moderate: felt by many indoors; glasses and dishes rattle.
Colli Albani earthquake (M4.3), epicentre 22 km away
- 1980IV1 October 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Frusinate earthquake (M4.3), epicentre 32 km away
- 1922IV29 December 1922
Moderate: felt by many indoors; glasses and dishes rattle.
Val Roveto earthquake (M5.2), epicentre 60 km away
- 1919V22 October 1919
Rather strong: felt by almost everyone; hanging objects swing.
Anzio earthquake (M5.2), epicentre 49 km away
- 1915VII13 January 1915
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Marsica earthquake (M7.1), epicentre 58 km away
- 1895IV1 November 1895
Moderate: felt by many indoors; glasses and dishes rattle.
Campagna romana earthquake (M4.8), epicentre 40 km away
- 1892V22 January 1892
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M5.1), epicentre 17 km away
- 1877VI24 August 1877
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Lazio meridionale earthquake (M5.2), epicentre 37 km away
- 1876V26 October 1876
Rather strong: felt by almost everyone; hanging objects swing.
Monti Prenestini earthquake (M5.1), epicentre 12 km away
- 1873IV-V12 March 1873
Rather strong: felt by almost everyone; hanging objects swing.
Appennino marchigiano earthquake (M5.8), epicentre 149 km away
- 1754V8 June 1754
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.5), epicentre 12 km away
…and 22 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 9 km from Castelli Romani, 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
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Valmontone records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Roma0 events · 30gLazio region80 events · 30gFrequently asked questions
Were there earthquakes today in Valmontone?
No, no quakes were recorded today in the Valmontone area: the latest nearby dates back to 6 months ago.
Is Valmontone a seismic area?
Valmontone 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 Valmontone?
In the last ~12 years of INGV data, the strongest within 30 km of Valmontone was magnitude 3.6, in 2019.
When was the last quake near Valmontone?
The last quake recorded within 30 km of Valmontone was 3 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)