Earthquakes in Vallerotonda
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?
The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
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 = 0.263 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Vallerotonda plus nearby towns.
The seismic history of Vallerotonda
The earthquakes that were actually felt in Vallerotonda over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002IV1 November 2002
Moderate: felt by many indoors; glasses and dishes rattle.
Molise earthquake (M5.7), epicentre 77 km away
- 1984VI7 May 1984
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monti della Meta earthquake (M5.9), epicentre 13 km away
- 1980IV-V23 November 1980
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia-Basilicata earthquake (M6.8), epicentre 139 km away
- 1973VI5 November 1973
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Cassinese earthquake (M4.3), epicentre 8 km away
- 1916IV26 January 1916
Moderate: felt by many indoors; glasses and dishes rattle.
Sorano earthquake (M4.7), epicentre 29 km away
- 1915VIII13 January 1915
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Marsica earthquake (M7.1), epicentre 59 km away · observed at Valvori
- 1915VIII13 January 1915
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Marsica earthquake (M7.1), epicentre 59 km away
- 1914V12 June 1914
Rather strong: felt by almost everyone; hanging objects swing.
Cassinese earthquake (M4.7), epicentre 13 km away
- 1913IV4 October 1913
Moderate: felt by many indoors; glasses and dishes rattle.
Molise earthquake (M5.3), epicentre 65 km away
- 1874V-VI6 December 1874
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val Comino earthquake (M5.5), epicentre 13 km away
- 1873V12 July 1873
Rather strong: felt by almost everyone; hanging objects swing.
Val Comino earthquake (M5.4), epicentre 18 km away
- 1349X9 September 1349
Completely destructive: most buildings are destroyed.
Lazio-Molise earthquake (M6.8), epicentre 3 km away · observed at Cardito
…and 4 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 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?
Vallerotonda records more quakes 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 Vallerotonda?
Yes: today the Vallerotonda area (town and surroundings) recorded 3 quakes; the most recent 20 minutes ago.
Is Vallerotonda a seismic area?
Vallerotonda is classified in seismic zone 1 by the Civil Protection. The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
What was the strongest earthquake near Vallerotonda?
In the last ~12 years of INGV data, the strongest within 30 km of Vallerotonda was magnitude 4.1, in 2026.
When was the last quake near Vallerotonda?
The last quake recorded within 30 km of Vallerotonda was 20 minutes ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)