Earthquakes today in Castel Giorgio
Today, within 30 km: no earthquakes recorded (updated at 13:16). Latest: M1.3 on 29 September 2026 at 09:15, 3 km East of Arlena di Castro, 11 km deep.
Latest earthquake within 30 km
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Castel Giorgio: zone 3
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 = 0.144 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Castel Giorgio. “In the town”: quakes whose nearest town to the epicentre is Castel Giorgio.
The seismic history of Castel Giorgio
The earthquakes that were actually felt in Castel Giorgio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV1 April 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.5), epicentre 27 km away
- 1997IV-V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 78 km away
- 1997IV-V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 79 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 79 km away
- 1994IV-V9 February 1994
Rather strong: felt by almost everyone; hanging objects swing.
Val di Paglia earthquake (M3.5), epicentre 12 km away
- 1993V5 June 1993
Rather strong: felt by almost everyone; hanging objects swing.
Valle del Topino earthquake (M4.7), epicentre 77 km away
- 1992V7 February 1992
Rather strong: felt by almost everyone; hanging objects swing.
Monti Volsini earthquake (M3.8), epicentre 9 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 80 km away
- 1957VII-VIII6 December 1957
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Orvietano earthquake (M5.0), epicentre 4 km away
- 1957D6 December 1957
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Orvietano earthquake (M5.0), epicentre 4 km away · observed at Case Perazza
- 1957D6 December 1957
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Orvietano earthquake (M5.0), epicentre 4 km away · observed at Pecorone
- 1957VI6 December 1957
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Orvietano earthquake (M5.0), epicentre 4 km away · observed at Montalfina
…and 10 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 55 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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Castel Giorgio sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Terni1 event · last 30 daysUmbria region298 events · last 30 daysFrequently asked questions
Were there earthquakes near Castel Giorgio today?
No, no quakes were recorded today within 30 km of Castel Giorgio. The latest dates back to 29 September 2026.
Is Castel Giorgio a seismic area?
Castel Giorgio 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 Giorgio?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Castel Giorgio was magnitude 4.1, on 30 May 2016.
When was the last quake near Castel Giorgio?
The last quake recorded within 30 km of Castel Giorgio dates back to 29 September 2026, magnitude 1.3.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)