Earthquakes today in Trequanda
Today, within 30 km: no earthquakes recorded (updated at 12:25). 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 Trequanda: 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 = 0.143 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Trequanda. “In the town”: quakes whose nearest town to the epicentre is Trequanda.
The seismic history of Trequanda
The earthquakes that were actually felt in Trequanda over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001III26 November 2001
Light: felt by few people, like a passing truck.
Casentino earthquake (M4.6), epicentre 60 km away
- 2000NF22 June 2000
Imperceptible: only instruments record it.
Bacino di Gubbio earthquake (M4.5), epicentre 65 km away
- 2000II1 April 2000
Very light: felt only by a few people at rest, on upper floors.
Monte Amiata earthquake (M4.5), epicentre 38 km away
- 1998NF5 April 1998
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 89 km away
- 1997NF14 October 1997
Imperceptible: only instruments record it.
Valnerina earthquake (M5.6), epicentre 104 km away
- 1997III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 100 km away
- 1993NF5 June 1993
Imperceptible: only instruments record it.
Valle del Topino earthquake (M4.7), epicentre 86 km away
- 1965NF4 August 1965
Imperceptible: only instruments record it.
Alta Valtiberina earthquake (M4.5), epicentre 69 km away
- 1947IV24 December 1947
Moderate: felt by many indoors; glasses and dishes rattle.
Crete Senesi earthquake (M4.5), epicentre 9 km away
- 1909IV-V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 22 km away
- 1908III7 November 1908
Light: felt by few people, like a passing truck.
Val di Chiana earthquake (M4.3), epicentre 12 km away
- 1897III15 November 1897
Light: felt by few people, like a passing truck.
Val d'Orcia earthquake (M4.1), epicentre 11 km away
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 49 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?
Trequanda is quieter 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 Trequanda today?
No, no quakes were recorded today within 30 km of Trequanda. The latest dates back to 12 October 2026.
Is Trequanda a seismic area?
Trequanda 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 Trequanda?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Trequanda was magnitude 3.4, on 15 June 2019.
When was the last quake near Trequanda?
The last quake recorded within 30 km of Trequanda 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)