Earthquakes in Castel Sant'Elia
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 years, within the given radius from the town centre.
How seismic is this area?
Medium-low seismicity: strong quakes are rare, but not impossible.
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 = 0.100 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castel Sant'Elia plus nearby towns.
The seismic history of Castel Sant'Elia
The earthquakes that were actually felt in Castel Sant'Elia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF15 December 2005
Imperceptible: only instruments record it.
Val Nerina earthquake (M4.1), epicentre 63 km away
- 2001NF23 March 2001
Imperceptible: only instruments record it.
Sabina earthquake (M3.8), epicentre 16 km away
- 1997II14 October 1997
Very light: felt only by a few people at rest, on upper floors.
Valnerina earthquake (M5.6), epicentre 84 km away
- 1997NF6 October 1997
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 95 km away
- 1997NF3 October 1997
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 96 km away
- 1997III-IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 96 km away
- 1984IV7 May 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Monti della Meta earthquake (M5.9), epicentre 153 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 288 km away
- 1979IV-V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 72 km away
- 1969II2 July 1969
Very light: felt only by a few people at rest, on upper floors.
Monti della Tolfa earthquake (M4.8), epicentre 32 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 48 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
11 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castel Sant'Elia 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 Viterbo0 events · 30gLazio region55 events · 30gFrequently asked questions
Were there earthquakes today in Castel Sant'Elia?
No, no quakes were recorded today in the Castel Sant'Elia area: the latest nearby dates back to 18 months ago.
Is Castel Sant'Elia a seismic area?
Castel Sant'Elia is classified in seismic zone 3 by the Civil Protection. Medium-low seismicity: strong quakes are rare, but not impossible.
What was the strongest earthquake near Castel Sant'Elia?
In the last ~11 years of INGV data, the strongest within 30 km of Castel Sant'Elia was magnitude 2.8, in 2024.
When was the last quake near Castel Sant'Elia?
The last quake recorded within 30 km of Castel Sant'Elia was 6 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)