Earthquakes in Gerano
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 = 0.156 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Gerano plus nearby towns.
The seismic history of Gerano
The earthquakes that were actually felt in Gerano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001V20 December 2001
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M4.0), epicentre 3 km away
- 2000V13 November 2000
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M3.6), epicentre 5 km away
- 2000V-VI27 June 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle dell'Aniene earthquake (M4.2), epicentre 5 km away
- 2000V28 May 2000
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M3.9), epicentre 5 km away
- 2000V22 May 2000
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M3.5), epicentre 2 km away
- 2000VI11 March 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle dell'Aniene earthquake (M4.3), epicentre 5 km away
- 1997IV-V6 November 1997
Rather strong: felt by almost everyone; hanging objects swing.
Monti Tiburtini earthquake (M4.2), epicentre 19 km away
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 108 km away
- 1997IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 121 km away
- 1997IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 122 km away
- 1990IV-V19 June 1990
Rather strong: felt by almost everyone; hanging objects swing.
Alto Aniene earthquake (M3.8), epicentre 13 km away
- 1915VI-VII13 January 1915
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Marsica earthquake (M7.1), epicentre 46 km away
…and 11 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 24 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?
Gerano is about average for its province in recorded quakes.
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 Gerano?
No, no quakes were recorded today in the Gerano area: the latest nearby dates back to 6 months ago.
Is Gerano a seismic area?
Gerano 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 Gerano?
In the last ~12 years of INGV data, the strongest within 30 km of Gerano was magnitude 3.6, in 2019.
When was the last quake near Gerano?
The last quake recorded within 30 km of Gerano was 18 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)