Earthquakes in Monteroni d'Arbia
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 Monteroni d'Arbia plus nearby towns.
The seismic history of Monteroni d'Arbia
The earthquakes that were actually felt in Monteroni d'Arbia over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1997III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 122 km away
- 1940IV31 January 1940
Moderate: felt by many indoors; glasses and dishes rattle.
Siena earthquake (M4.2), epicentre 15 km away
- 1914F15 May 1914
Moderate: felt by many indoors; glasses and dishes rattle.
Chianti earthquake (M4.2), epicentre 25 km away
- 1911V13 September 1911
Rather strong: felt by almost everyone; hanging objects swing.
Chianti earthquake (M5.1), epicentre 24 km away
- 1909VII-VIII25 August 1909
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Crete Senesi earthquake (M5.3), epicentre 9 km away
- 1909VII-VIII25 August 1909
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Crete Senesi earthquake (M5.3), epicentre 9 km away · observed at Ponte d'Arbia
- 1909VII-VIII25 August 1909
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Crete Senesi earthquake (M5.3), epicentre 9 km away · observed at Saltennano
- 1907F20 December 1907
Moderate: felt by many indoors; glasses and dishes rattle.
Chianti earthquake (M4.4), epicentre 29 km away
- 1906IV21 April 1906
Moderate: felt by many indoors; glasses and dishes rattle.
Valdelsa earthquake (M4.3), epicentre 31 km away
- 1859IV12 April 1859
Moderate: felt by many indoors; glasses and dishes rattle.
Senese earthquake (M4.8), epicentre 12 km away
- 1781D3 January 1781
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Crete Senesi earthquake (M5.2), epicentre 14 km away · observed at Caggiolo
- 1781V3 January 1781
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.2), epicentre 14 km away
…and 15 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 55 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?
Monteroni d'Arbia 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 Monteroni d'Arbia?
No, no quakes were recorded today in the Monteroni d'Arbia area: the latest nearby dates back to 2 days ago.
Is Monteroni d'Arbia a seismic area?
Monteroni d'Arbia 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 Monteroni d'Arbia?
In the last ~11 years of INGV data, the strongest within 30 km of Monteroni d'Arbia was magnitude 3.7, in 2023.
When was the last quake near Monteroni d'Arbia?
The last quake recorded within 30 km of Monteroni d'Arbia 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)