Earthquakes in Zagarolo
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 = 0.171 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Zagarolo plus nearby towns.
The seismic history of Zagarolo
The earthquakes that were actually felt in Zagarolo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000VI28 May 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle dell'Aniene earthquake (M3.9), epicentre 23 km away
- 2000V11 March 2000
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M4.3), epicentre 22 km away
- 1997V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 117 km away
- 1980V23 November 1980
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia-Basilicata earthquake (M6.8), epicentre 236 km away
- 1927V26 December 1927
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.9), epicentre 18 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 64 km away
- 1899VI19 July 1899
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Colli Albani earthquake (M5.1), epicentre 10 km away
- 1895V1 November 1895
Rather strong: felt by almost everyone; hanging objects swing.
Campagna romana earthquake (M4.8), epicentre 31 km away
- 1892V22 January 1892
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M5.1), epicentre 15 km away
- 1883VII16 March 1883
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti Prenestini earthquake (M5.1), epicentre 4 km away · observed at Palazzola
- 1806VII26 August 1806
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Colli Albani earthquake (M5.6), epicentre 15 km away
- 1773VI-VIIMarch 1773
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Colli Albani earthquake (M4.9), epicentre 3 km away
…and 17 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?
Zagarolo sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
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 Zagarolo?
No, no quakes were recorded today in the Zagarolo area: the latest nearby dates back to 5 months ago.
Is Zagarolo a seismic area?
Zagarolo 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 Zagarolo?
In the last ~12 years of INGV data, the strongest within 30 km of Zagarolo was magnitude 3.6, in 2019.
When was the last quake near Zagarolo?
The last quake recorded within 30 km of Zagarolo was 2 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)