Earthquakes today in Marciano della Chiana
Today, within 30 km: no earthquakes recorded (updated at 10:54). 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 Marciano della Chiana: zone 2
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.148 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Marciano della Chiana. “In the town”: quakes whose nearest town to the epicentre is Marciano della Chiana.
The seismic history of Marciano della Chiana
The earthquakes that were actually felt in Marciano della Chiana over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2001V26 November 2001
Rather strong: felt by almost everyone; hanging objects swing.
Casentino earthquake (M4.6), epicentre 40 km away
- 1998IV-V5 April 1998
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 80 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 92 km away
- 1993NF5 June 1993
Imperceptible: only instruments record it.
Valle del Topino earthquake (M4.7), epicentre 78 km away
- 1990NF8 May 1990
Imperceptible: only instruments record it.
Alta Valtiberina earthquake (M3.8), epicentre 42 km away
- 1969IV11 August 1969
Moderate: felt by many indoors; glasses and dishes rattle.
Lago Trasimeno earthquake (M4.7), epicentre 47 km away
- 1960NF15 April 1960
Imperceptible: only instruments record it.
Montefeltro earthquake (M4.5), epicentre 59 km away
- 1957NF30 April 1957
Imperceptible: only instruments record it.
Alta Valtiberina earthquake (M4.2), epicentre 49 km away
- 1952NF2 December 1952
Imperceptible: only instruments record it.
Appennino forlivese earthquake (M4.4), epicentre 80 km away
- 1948II13 June 1948
Very light: felt only by a few people at rest, on upper floors.
Alta Valtiberina earthquake (M5.0), epicentre 41 km away
- 1906NF21 April 1906
Imperceptible: only instruments record it.
Valdelsa earthquake (M4.3), epicentre 55 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 30 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?
Marciano della Chiana is about average for its province in recorded quakes.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Arezzo14 events · last 30 daysTuscany region67 events · last 30 daysFrequently asked questions
Were there earthquakes near Marciano della Chiana today?
No, no quakes were recorded today within 30 km of Marciano della Chiana. The latest dates back to 12 October 2026.
Is Marciano della Chiana a seismic area?
Marciano della Chiana is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Marciano della Chiana?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Marciano della Chiana was magnitude 2.7, on 2 May 2017.
When was the last quake near Marciano della Chiana?
The last quake recorded within 30 km of Marciano della Chiana 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)