Earthquakes in Rocca Santo Stefano
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 Rocca Santo Stefano plus nearby towns.
The seismic history of Rocca Santo Stefano
The earthquakes that were actually felt in Rocca Santo Stefano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2004IV5 October 2004
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Aniene earthquake (M3.3), epicentre 7 km away
- 2001V20 December 2001
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M4.0), epicentre 5 km away
- 2000IV13 November 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Aniene earthquake (M3.6), epicentre 7 km away
- 2000V27 June 2000
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Aniene earthquake (M4.2), epicentre 6 km away
- 2000III-IV28 May 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Aniene earthquake (M3.9), epicentre 6 km away
- 2000III-IV22 May 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Aniene earthquake (M3.5), epicentre 6 km away
- 2000V-VI11 March 2000
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valle dell'Aniene earthquake (M4.3), epicentre 6 km away
- 1998NF15 August 1998
Imperceptible: only instruments record it.
Reatino earthquake (M4.4), epicentre 50 km away
- 1998NF12 May 1998
Imperceptible: only instruments record it.
Monti Simbruini earthquake (M3.8), epicentre 23 km away
- 1997IV-V6 November 1997
Rather strong: felt by almost everyone; hanging objects swing.
Monti Tiburtini earthquake (M4.2), epicentre 23 km away
- 1997III-IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 110 km away
- 1997II-III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 124 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 26 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?
Rocca Santo Stefano 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 Rocca Santo Stefano?
No, no quakes were recorded today in the Rocca Santo Stefano area: the latest nearby dates back to 6 months ago.
Is Rocca Santo Stefano a seismic area?
Rocca Santo Stefano 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 Rocca Santo Stefano?
In the last ~12 years of INGV data, the strongest within 30 km of Rocca Santo Stefano was magnitude 3.6, in 2019.
When was the last quake near Rocca Santo Stefano?
The last quake recorded within 30 km of Rocca Santo Stefano 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)