Earthquakes today in Allerona
Today, within 30 km: no earthquakes recorded (updated at 12:24). Latest: M1.8 on 29 September 2026 at 04:24, 3 km South-West of San Casciano dei Bagni, 5 km deep.
Latest earthquake within 30 km
3 km South-West of San Casciano dei Bagni
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 Allerona: 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 Allerona. “In the town”: quakes whose nearest town to the epicentre is Allerona.
The seismic history of Allerona
The earthquakes that were actually felt in Allerona 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 64 km away
- 2000V1 April 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.5), epicentre 24 km away
- 1998III-IV5 April 1998
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 76 km away
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 75 km away
- 1997III3 October 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 73 km away
- 1997V-VI26 September 1997
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 75 km away
- 1997III-IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 78 km away
- 1994III-IV9 February 1994
Moderate: felt by many indoors; glasses and dishes rattle.
Val di Paglia earthquake (M3.5), epicentre 5 km away
- 1992III-IV7 February 1992
Moderate: felt by many indoors; glasses and dishes rattle.
Monti Volsini earthquake (M3.8), epicentre 21 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 80 km away
- 1960II12 July 1960
Very light: felt only by a few people at rest, on upper floors.
Monti Martani earthquake (M4.9), epicentre 43 km away
- 1957VI6 December 1957
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Orvietano earthquake (M5.0), epicentre 12 km away
…and 13 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).
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?
Allerona 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 Terni1 event · last 30 daysUmbria region297 events · last 30 daysFrequently asked questions
Were there earthquakes near Allerona today?
No, no quakes were recorded today within 30 km of Allerona. The latest dates back to 29 September 2026.
Is Allerona a seismic area?
Allerona 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 Allerona?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Allerona was magnitude 4.1, on 30 May 2016.
When was the last quake near Allerona?
The last quake recorded within 30 km of Allerona dates back to 29 September 2026, magnitude 1.8.
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)