Earthquakes today in Arcidosso
Today, within 30 km: no earthquakes recorded (updated at 13:16). 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 Arcidosso: 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 = 0.140 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Arcidosso. “In the town”: quakes whose nearest town to the epicentre is Arcidosso.
The seismic history of Arcidosso
The earthquakes that were actually felt in Arcidosso over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000V1 April 2000
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.5), epicentre 18 km away
- 1948VI3 November 1948
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.8), epicentre 7 km away
- 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 32 km away · observed at Montelaterone
- 1940V16 October 1940
Rather strong: felt by almost everyone; hanging objects swing.
Val di Paglia earthquake (M5.3), epicentre 32 km away
- 1940IV-V19 June 1940
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.6), epicentre 20 km away
- 1926V8 January 1926
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.9), epicentre 13 km away
- 1919VI10 September 1919
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val di Paglia earthquake (M5.4), epicentre 26 km away
- 1909F25 August 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Crete Senesi earthquake (M5.3), epicentre 34 km away
- 1905V-VI12 February 1905
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.5), epicentre 7 km away
- 1904IV7 September 1904
Moderate: felt by many indoors; glasses and dishes rattle.
Valle dell'Ombrone earthquake (M4.3), epicentre 16 km away
- 1868VI-VII17 June 1868
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monte Amiata earthquake (M4.4), epicentre 6 km away
- 1861V9 May 1861
Rather strong: felt by almost everyone; hanging objects swing.
Val di Chiana earthquake (M5.0), epicentre 46 km away
…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 82 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?
Arcidosso records more quakes than the average of its province.
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 region66 events · last 30 daysFrequently asked questions
Were there earthquakes near Arcidosso today?
No, no quakes were recorded today within 30 km of Arcidosso. The latest dates back to 29 September 2026.
Is Arcidosso a seismic area?
Arcidosso 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 Arcidosso?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Arcidosso was magnitude 2.9, on 30 March 2018.
When was the last quake near Arcidosso?
The last quake recorded within 30 km of Arcidosso 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)