Province of Arezzo

Earthquakes in Castiglion Fiorentino

1.3
very light
LATEST QUAKE

6 km North-East of Anghiari

2 months ago · 19 Apr, 02:41
Depth 8 km

Seismic activity in the surroundings

30 km radius
13
days since the last quake nearby
433
quakes recorded since 2015
~10 days
on average, one quake every
2.9
The strongest within 30 km
3 km South-West of Passignano sul Trasimeno
38 months ago · 11 May, 15:02

INGV catalogue epicentres of the last ~11 years, within the given radius from the town centre.

How seismic is this area?

Zone2
Seismic 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.

Medium
Expected shaking, compared with the other Italian municipalities (INGV MPS04 model)

Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.155 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Marciano della Chiana Earthquake details
0
In the town
total on record
0
In the town
last 12 months
191
In the area
last 12 months
M3.2
Strongest ever
In the area

The “area” is Castiglion Fiorentino plus nearby towns.

No earthquakes recorded in Castiglion Fiorentino · 13,166 inhabitants

The seismic history of Castiglion Fiorentino

The earthquakes that were actually felt in Castiglion Fiorentino over the centuries, with the intensity observed on site (Mercalli MCS scale).

  1. 2016IV-V30 October 2016

    Rather strong: felt by almost everyone; hanging objects swing.

    Valnerina earthquake (M6.6), epicentre 110 km away

  2. 2001IV-V26 November 2001

    Rather strong: felt by almost everyone; hanging objects swing.

    Casentino earthquake (M4.6), epicentre 33 km away

  3. 1998IV-V26 March 1998

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M5.3), epicentre 73 km away

  4. 1997IV-V3 October 1997

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M5.2), epicentre 78 km away

  5. 1997IV-V26 September 1997

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M6.0), epicentre 82 km away

  6. 1997IV-V26 September 1997

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M5.7), epicentre 84 km away

  7. 1917VI26 April 1917

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Alta Valtiberina earthquake (M6.0), epicentre 21 km away

  8. 1911V13 September 1911

    Rather strong: felt by almost everyone; hanging objects swing.

    Chianti earthquake (M5.1), epicentre 50 km away · observed at Brolio

  9. 1909IV-V25 August 1909

    Rather strong: felt by almost everyone; hanging objects swing.

    Crete Senesi earthquake (M5.3), epicentre 48 km away

  10. 1897VI18 December 1897

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Alta Valtiberina earthquake (M5.1), epicentre 40 km away

  11. 1796V5 February 1796

    Rather strong: felt by almost everyone; hanging objects swing.

    Aretino earthquake (M5.0), epicentre 23 km away

  12. 1789IV-V30 September 1789

    Rather strong: felt by almost everyone; hanging objects swing.

    Alta Valtiberina earthquake (M5.9), epicentre 30 km away

…and 26 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.

13526.3
Alta Valtiberina earthquake
25 December 1352 · 22 km from here
IXDestructive: many buildings partly or fully collapse.
13896.0
Alta Valtiberina earthquake
18 October 1389 · 36 km from here
IXDestructive: many buildings partly or fully collapse.
19176.0
Alta Valtiberina earthquake
26 April 1917 · 21 km from here
IX-XCompletely destructive: most buildings are destroyed.
15586.0
Valdarno superiore earthquake
13 April 1558 · 34 km from here
IXDestructive: many buildings partly or fully collapse.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Mugello-Citta' di Castello-Leonessa

The town lies about 21 km from Mugello-Citta' di Castello-Leonessa, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.9between 1 and 8 km deep

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

April 20264eventsmax 1.3
Jul
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.3
6 km North-East of Anghiari
30 km North-East · 8 km
2 months ago
19 Apr, 02:41
1.1
6 km South-West of Torrita di Siena
30 km South-West · 10 km
2 months ago
10 Apr, 09:02
0.7
7 km East of Umbertide
31 km East · 11 km
2 months ago
8 Apr, 12:18
0.8
5 km North-East of Citerna
30 km North-East · 5 km
2 months ago
3 Apr, 12:20
2.0
3 months ago
26 Mar, 12:56
0.7
8 km North-East of Anghiari
30 km North-East · 6 km
3 months ago
5 Mar, 16:19
0.7
8 km North-East of Anghiari
31 km North-East · 10 km
4 months ago
22 Feb, 18:52
0.8
5 km North of Monterchi
23 km North-East · 12 km
4 months ago
10 Feb, 00:32
1.1
7 km North-East of Anghiari
30 km North-East · 9 km
5 months ago
25 Jan, 05:45
0.9
7 km East of Anghiari
29 km North-East · 9 km
5 months ago
17 Jan, 03:28

Nearby towns

How does it compare with the surroundings?

Castiglion Fiorentino is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 0% of the 36 towns in the province.
Castiglion Fiorentino0
Nearby towns average44

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 region52 events · 30g
ISTAT code: 051012

Frequently asked questions

Were there earthquakes today in Castiglion Fiorentino?

No, no quakes were recorded today in the Castiglion Fiorentino area: the latest nearby dates back to 2 months ago.

Is Castiglion Fiorentino a seismic area?

Castiglion Fiorentino 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 Castiglion Fiorentino?

In the last ~11 years of INGV data, the strongest within 30 km of Castiglion Fiorentino was magnitude 2.9, in 2023.

When was the last quake near Castiglion Fiorentino?

The last quake recorded within 30 km of Castiglion Fiorentino was 13 days ago.

Tip. Click a nearby town to explore its seismicity.

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)

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