Earthquakes in Casalvieri
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 = 0.247 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Casalvieri plus nearby towns.
The seismic history of Casalvieri
The earthquakes that were actually felt in Casalvieri over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV-V25 October 2000
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M3.9), epicentre 23 km away
- 1984VII7 May 1984
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti della Meta earthquake (M5.9), epicentre 28 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 159 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 136 km away
- 1922V-VI29 December 1922
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val Roveto earthquake (M5.2), epicentre 18 km away
- 1919IV22 October 1919
Moderate: felt by many indoors; glasses and dishes rattle.
Anzio earthquake (M5.2), epicentre 101 km away
- 1916V26 January 1916
Rather strong: felt by almost everyone; hanging objects swing.
Sorano earthquake (M4.7), epicentre 9 km away
- 1915VIII13 January 1915
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Marsica earthquake (M7.1), epicentre 44 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 44 km away · observed at Purgatorio
- 1915VI-VII13 January 1915
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Marsica earthquake (M7.1), epicentre 44 km away · observed at Roselli
- 1873VI-VII12 July 1873
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Val Comino earthquake (M5.4), epicentre 6 km away
- 1654IX24 July 1654
Destructive: many buildings partly or fully collapse.
Sorano earthquake (M6.3), epicentre 3 km away
…and 8 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 13 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?
Casalvieri 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 Casalvieri?
Yes: today the Casalvieri area (town and surroundings) recorded 3 quakes; the most recent 23 minutes ago.
Is Casalvieri a seismic area?
Casalvieri 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 Casalvieri?
In the last ~12 years of INGV data, the strongest within 30 km of Casalvieri was magnitude 4.4, in 2019.
When was the last quake near Casalvieri?
The last quake recorded within 30 km of Casalvieri was 23 minutes ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)