Earthquakes in Mazzano Romano
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 = 0.090 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Mazzano Romano plus nearby towns.
The seismic history of Mazzano Romano
The earthquakes that were actually felt in Mazzano Romano 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 93 km away
- 1969IV2 July 1969
Moderate: felt by many indoors; glasses and dishes rattle.
Monti della Tolfa earthquake (M4.8), epicentre 33 km away
- 1915D13 January 1915
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Marsica earthquake (M7.1), epicentre 96 km away
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 48 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
24 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Mazzano Romano 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 region78 events · 30gFrequently asked questions
Were there earthquakes today in Mazzano Romano?
No, no quakes were recorded today in the Mazzano Romano area: the latest nearby dates back to 11 months ago.
Is Mazzano Romano a seismic area?
Mazzano Romano 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 Mazzano Romano?
In the last ~12 years of INGV data, the strongest within 30 km of Mazzano Romano was magnitude 2.5, in 2022.
When was the last quake near Mazzano Romano?
The last quake recorded within 30 km of Mazzano Romano was 27 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)