Earthquakes in San Quirico d'Orcia
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 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 = 0.142 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Quirico d'Orcia plus nearby towns.
The seismic history of San Quirico d'Orcia
The earthquakes that were actually felt in San Quirico d'Orcia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000III1 April 2000
Light: felt by few people, like a passing truck.
Monte Amiata earthquake (M4.5), epicentre 26 km away
- 1997III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 102 km away
- 1969III11 August 1969
Light: felt by few people, like a passing truck.
Lago Trasimeno earthquake (M4.7), epicentre 51 km away
- 1958III30 May 1958
Light: felt by few people, like a passing truck.
Val di Paglia earthquake (M4.0), epicentre 23 km away
- 1947VI24 December 1947
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Crete Senesi earthquake (M4.5), epicentre 4 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 29 km away
- 1909IV-V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 19 km away
- 1897V15 November 1897
Rather strong: felt by almost everyone; hanging objects swing.
Val d'Orcia earthquake (M4.1), epicentre 3 km away
- 1815IV11 January 1815
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.9), epicentre 23 km away
- 1802V-VI30 October 1802
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val d'Orcia earthquake (M5.2), epicentre 6 km away
- 1781V6 January 1781
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M4.2), epicentre 0 km away
- 1545VII-VIII27 November 1545
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Val d'Orcia earthquake (M5.3), epicentre 3 km away
…and 9 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 61 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?
San Quirico 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 Siena8 events · 30gTuscany region112 events · 30gFrequently asked questions
Were there earthquakes today in San Quirico d'Orcia?
No, no quakes were recorded today in the San Quirico d'Orcia area: the latest nearby dates back to 6 days ago.
Is San Quirico d'Orcia a seismic area?
San Quirico 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 San Quirico d'Orcia?
In the last ~12 years of INGV data, the strongest within 30 km of San Quirico d'Orcia was magnitude 3.4, in 2019.
When was the last quake near San Quirico d'Orcia?
The last quake recorded within 30 km of San Quirico d'Orcia was 6 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)