Earthquakes in Marciano della Chiana
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?
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).
The “area” is Marciano della Chiana plus nearby towns.
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).
Area over time
Earthquake map
60 eventsEarthquakes in the area
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 Arezzo19 events · 30gTuscany region53 events · 30gFrequently asked questions
Were there earthquakes today in Marciano della Chiana?
No, no quakes were recorded today in the Marciano della Chiana area: the latest nearby dates back to 2 months ago.
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 last ~11 years of INGV data, the strongest within 30 km of Marciano della Chiana was magnitude 2.7, in 2017.
When was the last quake near Marciano della Chiana?
The last quake recorded within 30 km of Marciano della Chiana was 2 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)