Earthquakes in Bracciano
Costa Laziale (Roma)
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 = 0.064 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Bracciano plus nearby towns.
The seismic history of Bracciano
The earthquakes that were actually felt in Bracciano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005III22 August 2005
Light: felt by few people, like a passing truck.
Costa laziale earthquake (M4.8), epicentre 85 km away
- 1984III11 May 1984
Light: felt by few people, like a passing truck.
Monti della Meta earthquake (M5.5), epicentre 148 km away
- 1984III7 May 1984
Light: felt by few people, like a passing truck.
Monti della Meta earthquake (M5.9), epicentre 165 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 96 km away
- 1971IV6 February 1971
Moderate: felt by many indoors; glasses and dishes rattle.
Tuscania earthquake (M4.8), epicentre 46 km away
- 1969V2 July 1969
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Tolfa earthquake (M4.8), epicentre 15 km away · observed at Castelgiuliano
- 1969IV-V2 July 1969
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Tolfa earthquake (M4.8), epicentre 15 km away
- 1969III2 July 1969
Light: felt by few people, like a passing truck.
Monti della Tolfa earthquake (M4.8), epicentre 15 km away · observed at Vigna di Valle
- 1919III22 October 1919
Light: felt by few people, like a passing truck.
Anzio earthquake (M5.2), epicentre 80 km away
- 1915V13 January 1915
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M7.1), epicentre 114 km away
- 1909III-IV31 August 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Roma earthquake (M4.2), epicentre 28 km away
- 1895II-III1 November 1895
Light: felt by few people, like a passing truck.
Campagna romana earthquake (M4.8), epicentre 43 km away
…and 7 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 62 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
10 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Bracciano 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 Roma0 events · 30gLazio region79 events · 30gFrequently asked questions
Were there earthquakes today in Bracciano?
No, no quakes were recorded today in the Bracciano area: the latest nearby dates back to 32 months ago.
Is Bracciano a seismic area?
Bracciano 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 Bracciano?
In the last ~12 years of INGV data, the strongest within 30 km of Bracciano was magnitude 2.3, in 2017.
When was the last quake near Bracciano?
The last quake recorded within 30 km of Bracciano was 11 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)