Earthquakes in Castiglione d'Orcia
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 years, within the given radius from the town centre.
How seismic is this area?
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 = 0.141 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castiglione d'Orcia plus nearby towns.
The seismic history of Castiglione d'Orcia
The earthquakes that were actually felt in Castiglione d'Orcia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001NF26 November 2001
Imperceptible: only instruments record it.
Casentino earthquake (M4.6), epicentre 79 km away
- 2000IV1 April 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.5), epicentre 17 km away
- 1998NF5 April 1998
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 96 km away
- 1998NF5 April 1998
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 96 km away · observed at Madonna Quercie
- 1997NF26 September 1997
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 103 km away
- 1993III-IV5 June 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Valle del Topino earthquake (M4.7), epicentre 91 km away
- 1984III-IV29 April 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Umbria settentrionale earthquake (M5.6), epicentre 79 km away
- 1926VI8 January 1926
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.9), epicentre 14 km away
- 1909V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 26 km away
- 1905IV12 February 1905
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.5), epicentre 14 km away
- 1897IV-V15 November 1897
Rather strong: felt by almost everyone; hanging objects swing.
Val d'Orcia earthquake (M4.1), epicentre 12 km away
- 1859SF12 April 1859
Light: felt by few people, like a passing truck.
Senese earthquake (M4.5), epicentre 47 km away · observed at Monte Amiata
…and 3 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 64 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).
Area over time
Earthquake map
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Castiglione d'Orcia 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 Siena3 events · 30gTuscany region53 events · 30gFrequently asked questions
Were there earthquakes today in Castiglione d'Orcia?
No, no quakes were recorded today in the Castiglione d'Orcia area: the latest nearby dates back to 2 days ago.
Is Castiglione d'Orcia a seismic area?
Castiglione d'Orcia 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 Castiglione d'Orcia?
In the last ~11 years of INGV data, the strongest within 30 km of Castiglione d'Orcia was magnitude 3.4, in 2019.
When was the last quake near Castiglione d'Orcia?
The last quake recorded within 30 km of Castiglione d'Orcia was 2 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)