Earthquakes today in Castell'Azzara
Today, within 30 km: no earthquakes recorded (updated at 11:44). 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 Castell'Azzara: zone 2
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.140 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Castell'Azzara. “In the town”: quakes whose nearest town to the epicentre is Castell'Azzara.
The seismic history of Castell'Azzara
The earthquakes that were actually felt in Castell'Azzara 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 88 km away
- 2000V1 April 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.5), epicentre 7 km away
- 1998NF5 April 1998
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 100 km away
- 1997NF14 October 1997
Imperceptible: only instruments record it.
Valnerina earthquake (M5.6), epicentre 100 km away
- 1997NF26 September 1997
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 102 km away
- 1994NF9 February 1994
Imperceptible: only instruments record it.
Val di Paglia earthquake (M3.5), epicentre 20 km away
- 1984II29 April 1984
Very light: felt only by a few people at rest, on upper floors.
Umbria settentrionale earthquake (M5.6), epicentre 88 km away
- 1957III-IV6 December 1957
Moderate: felt by many indoors; glasses and dishes rattle.
Orvietano earthquake (M5.0), epicentre 29 km away
- 1948V-VI3 November 1948
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.8), epicentre 14 km away · observed at Selvena
- 1940V-VI16 October 1940
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val di Paglia earthquake (M5.3), epicentre 20 km away · observed at Selvena
- 1940V-VI16 October 1940
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val di Paglia earthquake (M5.3), epicentre 20 km away
- 1919VI-VII10 September 1919
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Val di Paglia earthquake (M5.4), epicentre 9 km away
…and 4 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 72 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?
Castell'Azzara 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 Grosseto5 events · last 30 daysTuscany region67 events · last 30 daysFrequently asked questions
Were there earthquakes near Castell'Azzara today?
No, no quakes were recorded today within 30 km of Castell'Azzara. The latest dates back to 29 September 2026.
Is Castell'Azzara a seismic area?
Castell'Azzara is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Castell'Azzara?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Castell'Azzara was magnitude 4.1, on 30 May 2016.
When was the last quake near Castell'Azzara?
The last quake recorded within 30 km of Castell'Azzara 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)