Earthquakes today in Monteriggioni
Today, within 30 km: no earthquakes recorded (updated at 11:37). 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 Monteriggioni: 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 = 0.141 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Monteriggioni. “In the town”: quakes whose nearest town to the epicentre is Monteriggioni.
The seismic history of Monteriggioni
The earthquakes that were actually felt in Monteriggioni over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 157 km away · observed at Acquaviva
- 1956IV22 February 1956
Moderate: felt by many indoors; glasses and dishes rattle.
Senese earthquake (M4.0), epicentre 9 km away
- 1940V31 January 1940
Rather strong: felt by almost everyone; hanging objects swing.
Siena earthquake (M4.2), epicentre 13 km away
- 1940IV31 January 1940
Moderate: felt by many indoors; glasses and dishes rattle.
Siena earthquake (M4.2), epicentre 13 km away · observed at Santa Colomba
- 1911VI-VII13 September 1911
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Chianti earthquake (M5.1), epicentre 12 km away · observed at Quercegrossa
- 1911VI-VII13 September 1911
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Chianti earthquake (M5.1), epicentre 12 km away
- 1909VI25 August 1909
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Crete Senesi earthquake (M5.3), epicentre 28 km away
- 1859VI-VII12 April 1859
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Senese earthquake (M4.8), epicentre 11 km away · observed at Uopini
- 1859VI12 April 1859
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Senese earthquake (M4.5), epicentre 8 km away · observed at Colombaio
- 1859HF12 April 1859
Rather strong: felt by almost everyone; hanging objects swing.
Senese earthquake (M4.5), epicentre 8 km away · observed at Basciano
- 1859IV12 April 1859
Moderate: felt by many indoors; glasses and dishes rattle.
Senese earthquake (M4.8), epicentre 11 km away · observed at Quercegrossa
- 1859IV12 April 1859
Moderate: felt by many indoors; glasses and dishes rattle.
Senese earthquake (M4.8), epicentre 11 km away · observed at Santa Colomba
…and 10 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 53 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?
Monteriggioni 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 Siena14 events · last 30 daysTuscany region67 events · last 30 daysFrequently asked questions
Were there earthquakes near Monteriggioni today?
No, no quakes were recorded today within 30 km of Monteriggioni. The latest dates back to 12 October 2026.
Is Monteriggioni a seismic area?
Monteriggioni 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 Monteriggioni?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Monteriggioni was magnitude 3.8, on 13 September 2015.
When was the last quake near Monteriggioni?
The last quake recorded within 30 km of Monteriggioni 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)