Earthquakes today in Chiusdino
Today, within 30 km: no earthquakes recorded (updated at 11:30). Latest: M1.3 on 12 October 2026 at 01:14, 5 km North-West of Asciano, 4 km deep.
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 Chiusdino: 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 Chiusdino. “In the town”: quakes whose nearest town to the epicentre is Chiusdino.
The seismic history of Chiusdino
The earthquakes that were actually felt in Chiusdino over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1998IV-V20 May 1998
Rather strong: felt by almost everyone; hanging objects swing.
Colline Metallifere earthquake (M4.2), epicentre 29 km away
- 1993III6 August 1993
Light: felt by few people, like a passing truck.
Colline Metallifere earthquake (M4.0), epicentre 21 km away
- 1940II-III31 January 1940
Light: felt by few people, like a passing truck.
Siena earthquake (M4.2), epicentre 28 km away · observed at Frosini
- 1940II31 January 1940
Very light: felt only by a few people at rest, on upper floors.
Siena earthquake (M4.2), epicentre 28 km away
- 1925II21 March 1925
Very light: felt only by a few people at rest, on upper floors.
Colline Metallifere earthquake (M4.3), epicentre 23 km away
- 1920III24 November 1920
Light: felt by few people, like a passing truck.
Senese earthquake (M4.1), epicentre 38 km away
- 1911V-VI13 September 1911
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Chianti earthquake (M5.1), epicentre 33 km away
- 1911III13 September 1911
Light: felt by few people, like a passing truck.
Chianti earthquake (M4.3), epicentre 25 km away
- 1909V-VI25 August 1909
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Crete Senesi earthquake (M5.3), epicentre 21 km away
- 1909F13 January 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Emilia Romagna orientale earthquake (M5.4), epicentre 162 km away · observed at Ciciano
- 1895III18 May 1895
Light: felt by few people, like a passing truck.
Fiorentino earthquake (M5.5), epicentre 59 km away
- 1798III26 May 1798
Light: felt by few people, like a passing truck.
Senese earthquake (M4.8), epicentre 29 km away
…and 12 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 57 km from Livorno Hills, 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?
Chiusdino 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 Siena14 events · last 30 daysTuscany region67 events · last 30 daysFrequently asked questions
Were there earthquakes near Chiusdino today?
No, no quakes were recorded today within 30 km of Chiusdino. The latest dates back to 12 October 2026.
Is Chiusdino a seismic area?
Chiusdino 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 Chiusdino?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Chiusdino was magnitude 3.7, on 8 February 2023.
When was the last quake near Chiusdino?
The last quake recorded within 30 km of Chiusdino dates back to 12 October 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)