Earthquakes in Castel Viscardo
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 = 0.145 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castel Viscardo plus nearby towns.
The seismic history of Castel Viscardo
The earthquakes that were actually felt in Castel Viscardo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV-V1 April 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.5), epicentre 28 km away
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 73 km away
- 1997IV6 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 74 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 77 km away
- 1994IV-V9 February 1994
Rather strong: felt by almost everyone; hanging objects swing.
Val di Paglia earthquake (M3.5), epicentre 9 km away
- 1992V-VI7 February 1992
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monti Volsini earthquake (M3.8), epicentre 16 km away
- 1984IV29 April 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Umbria settentrionale earthquake (M5.6), epicentre 69 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 77 km away
- 1971IV2 March 1971
Moderate: felt by many indoors; glasses and dishes rattle.
Orvietano earthquake (M4.5), epicentre 16 km away
- 1957VI-VII6 December 1957
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Orvietano earthquake (M5.0), epicentre 6 km away · observed at Viceno
- 1957VI-VII6 December 1957
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Orvietano earthquake (M5.0), epicentre 6 km away
- 1957V6 December 1957
Rather strong: felt by almost everyone; hanging objects swing.
Orvietano earthquake (M5.0), epicentre 6 km away · observed at Monte Rubiaglio
…and 11 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 49 km from Mugello-Citta' di Castello-Leonessa, 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?
Castel Viscardo is about average for its province in recorded quakes.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Terni7 events · 30gUmbria region284 events · 30gFrequently asked questions
Were there earthquakes today in Castel Viscardo?
No, no quakes were recorded today in the Castel Viscardo area: the latest nearby dates back to 22 days ago.
Is Castel Viscardo a seismic area?
Castel Viscardo 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 Viscardo?
In the last ~11 years of INGV data, the strongest within 30 km of Castel Viscardo was magnitude 4.1, in 2016.
When was the last quake near Castel Viscardo?
The last quake recorded within 30 km of Castel Viscardo was 22 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)