Earthquakes in Castel Gandolfo
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.165 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castel Gandolfo plus nearby towns.
The seismic history of Castel Gandolfo
The earthquakes that were actually felt in Castel Gandolfo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1987V11 April 1987
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.3), epicentre 10 km away
- 1919V22 October 1919
Rather strong: felt by almost everyone; hanging objects swing.
Anzio earthquake (M5.2), epicentre 35 km away
- 1915V13 January 1915
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M7.1), epicentre 79 km away
- 1911V10 April 1911
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.7), epicentre 4 km away
- 1906V21 February 1906
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.1), epicentre 4 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 7 km away
- 1895V1 November 1895
Rather strong: felt by almost everyone; hanging objects swing.
Campagna romana earthquake (M4.8), epicentre 18 km away
- 1884V7 August 1884
Rather strong: felt by almost everyone; hanging objects swing.
Colli Albani earthquake (M4.4), epicentre 4 km away
- 1877VI16 August 1877
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Rocca di Papa earthquake (M4.5), epicentre 9 km away
- 1829VII1 June 1829
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Colli Albani earthquake (M4.9), epicentre 3 km away
- 1806VII26 August 1806
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Colli Albani earthquake (M5.6), epicentre 7 km away
- 1703VI-VII14 January 1703
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Valnerina earthquake (M6.9), epicentre 113 km away
…and 20 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 6 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?
Castel Gandolfo 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 Roma2 events · 30gLazio region55 events · 30gFrequently asked questions
Were there earthquakes today in Castel Gandolfo?
No, no quakes were recorded today in the Castel Gandolfo area: the latest nearby dates back to 1 month ago.
Is Castel Gandolfo a seismic area?
Castel Gandolfo 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 Castel Gandolfo?
In the last ~11 years of INGV data, the strongest within 30 km of Castel Gandolfo was magnitude 3.6, in 2019.
When was the last quake near Castel Gandolfo?
The last quake recorded within 30 km of Castel Gandolfo was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)