Earthquakes in Arnara
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 = 0.154 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Arnara plus nearby towns.
The seismic history of Arnara
The earthquakes that were actually felt in Arnara over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000II-III11 March 2000
Light: felt by few people, like a passing truck.
Valle dell'Aniene earthquake (M4.3), epicentre 52 km away
- 1994NF5 August 1994
Imperceptible: only instruments record it.
Val Roveto earthquake (M4.2), epicentre 42 km away
- 1915VIII13 January 1915
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Marsica earthquake (M7.1), epicentre 50 km away
- 1886IV-V28 July 1886
Rather strong: felt by almost everyone; hanging objects swing.
Ceccano earthquake (M3.9), epicentre 1 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 37 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
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Arnara is quieter than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Frosinone6 events · 30gLazio region79 events · 30gFrequently asked questions
Were there earthquakes today in Arnara?
No, no quakes were recorded today in the Arnara area: the latest nearby dates back to 7 days ago.
Is Arnara a seismic area?
Arnara 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 Arnara?
In the last ~12 years of INGV data, the strongest within 30 km of Arnara was magnitude 4.4, in 2019.
When was the last quake near Arnara?
The last quake recorded within 30 km of Arnara was 7 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)