Province of Arezzo

Earthquakes in Castel San Niccolò

1.3
very light
LATEST QUAKE

6 km North-East of Chiusi della Verna

24 days ago · 21 May, 03:42
Depth 9 km

Seismic activity in the surroundings

30 km radius
1
days since the last quake nearby
1,299
quakes recorded since 2015
~3 days
on average, one quake every
3.5
The strongest within 30 km
12 km South of Bagno di Romagna
5 months ago · 2 Jan, 20:53

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 = 0.167 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Ortignano Raggiolo Earthquake details
1
In the town
total on record
0
In the town
last 12 months
30
In the area
last 12 months
M3.5
Strongest ever
In the area

The “area” is Castel San Niccolò plus nearby towns.

Last earthquake: 53 months ago · 2,739 inhabitants

The seismic history of Castel San Niccolò

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

  1. 2003III-IV29 January 2003

    Moderate: felt by many indoors; glasses and dishes rattle.

    Appennino forlivese earthquake (M4.1), epicentre 29 km away · observed at Castel San Niccolò (Strada)

  2. 2003III-IV26 January 2003

    Moderate: felt by many indoors; glasses and dishes rattle.

    Appennino forlivese earthquake (M4.5), epicentre 29 km away · observed at Castel San Niccolò (Strada)

  3. 2002III-IV21 February 2002

    Moderate: felt by many indoors; glasses and dishes rattle.

    Casentino earthquake (M4.1), epicentre 30 km away · observed at Castel San Niccolò (Strada)

  4. 2001IV-V26 November 2001

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

    Casentino earthquake (M4.6), epicentre 38 km away · observed at Castel San Niccolò (Strada)

  5. 1999III25 January 1999

    Light: felt by few people, like a passing truck.

    Appennino forlivese earthquake (M4.4), epicentre 37 km away · observed at Castel San Niccolò (Strada)

  6. 1997IV-V26 September 1997

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

    Appennino umbro-marchigiano earthquake (M6.0), epicentre 124 km away · observed at Castel San Niccolò (Strada)

  7. 1965III4 August 1965

    Light: felt by few people, like a passing truck.

    Alta Valtiberina earthquake (M4.5), epicentre 36 km away · observed at Castel San Niccolò (Strada)

  8. 1929IV18 July 1929

    Moderate: felt by many indoors; glasses and dishes rattle.

    Mugello earthquake (M5.0), epicentre 32 km away · observed at Castel San Niccolò (Strada)

  9. 1919VII29 June 1919

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Mugello earthquake (M6.4), epicentre 30 km away · observed at Castel San Niccolò (Strada)

  10. 1918VI10 November 1918

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

    Appennino forlivese earthquake (M6.0), epicentre 31 km away · observed at Castel San Niccolò (Strada)

  11. 1909IV-V13 January 1909

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

    Emilia Romagna orientale earthquake (M5.4), epicentre 95 km away · observed at Castel San Niccolò (Strada)

  12. 1909IV-V13 January 1909

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

    Emilia Romagna orientale earthquake (M5.4), epicentre 95 km away · observed at Borgo alla Collina

…and 11 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.

19196.4
Mugello earthquake
29 June 1919 · 30 km from here
XCompletely destructive: most buildings are destroyed.
13526.3
Alta Valtiberina earthquake
25 December 1352 · 47 km from here
IXDestructive: many buildings partly or fully collapse.
16616.0
Appennino forlivese earthquake
22 March 1661 · 38 km from here
XCompletely destructive: most buildings are destroyed.
15426.0
Mugello earthquake
13 June 1542 · 39 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 1 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

May 20263eventsmax 1.4
Jul
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.3
24 days ago
21 May, 03:42
1.4
24 days ago
21 May, 03:37
0.9
27 days ago
17 May, 22:42
1.1
4 km South-West of Chitignano
19 km South-East · 9 km
2 months ago
22 Apr, 08:11
1.5
3 km North of Capolona
21 km South-East · 10 km
5 months ago
1 Jan, 15:07
1.1
6 months ago
14 Dec, 01:30
1.0
6 km North-East of Bibbiena
20 km East · 19 km
6 months ago
12 Dec, 06:04
1.1
2 km North-East of Castel Focognano
13 km South-East · 10 km
6 months ago
1 Dec, 09:39
1.3
7 months ago
30 Nov, 20:32
1.1
4 km East of San Godenzo
21 km North · 8 km
7 months ago
13 Nov, 08:13

Nearby towns

How does it compare with the surroundings?

Castel San Niccolò is quieter than the average of its province.

quietermore active
More epicentres than 31% of the 36 towns in the province.
Castel San Niccolò1
Nearby towns average34

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 · 30g
ISTAT code: 051010

Frequently asked questions

Were there earthquakes today in Castel San Niccolò?

No, no quakes were recorded today in the Castel San Niccolò area: the latest nearby dates back to 24 days ago.

Is Castel San Niccolò a seismic area?

Castel San Niccolò 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 Castel San Niccolò?

In the last ~11 years of INGV data, the strongest within 30 km of Castel San Niccolò was magnitude 3.5, in 2026.

When was the last quake near Castel San Niccolò?

The last quake recorded within 30 km of Castel San Niccolò was yesterday.

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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