Province of Arezzo

Earthquakes in Castelfranco Piandiscò

1.1
very light
LATEST QUAKE

2 km North-East of Castel Focognano

6 months ago · 1 Dec, 09:39
Depth 10 km

Seismic activity in the surroundings

30 km radius
52
days since the last quake nearby
691
quakes recorded since 2015
~6 days
on average, one quake every
3.8
The strongest within 30 km
5 km South-East of San Casciano in Val di Pesa
131 months ago · 13 Sept, 03:04

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

How seismic is this area?

Zone3
Seismic zone 3

Medium-low seismicity: strong quakes are rare, but not impossible.

Official Civil Protection classification (upd. 2025), used for building codes.

Low
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 = 0.129 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
8
In the town
total on record
0
In the town
last 12 months
7
In the area
last 12 months
M3.5
Strongest ever
In the area

The “area” is Castelfranco Piandiscò plus nearby towns.

Last earthquake: 38 months ago · 9,518 inhabitants

The seismic history of Castelfranco Piandiscò

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

  1. 2001IV-V26 November 2001

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

    Casentino earthquake (M4.6), epicentre 45 km away · observed at Castelfranco di Sopra

  2. 2001IV26 November 2001

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

    Casentino earthquake (M4.6), epicentre 45 km away · observed at Pian di Scò

  3. 1997III-IV26 September 1997

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

    Appennino umbro-marchigiano earthquake (M5.7), epicentre 128 km away · observed at Pian di Scò

  4. 1997III26 September 1997

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

    Appennino umbro-marchigiano earthquake (M5.7), epicentre 128 km away · observed at Castelfranco di Sopra

  5. 1997III26 September 1997

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

    Appennino umbro-marchigiano earthquake (M6.0), epicentre 126 km away · observed at Castelfranco di Sopra

  6. 1984III-IV29 April 1984

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

    Umbria settentrionale earthquake (M5.6), epicentre 89 km away · observed at Pian di Scò

  7. 1980III23 November 1980

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

    Irpinia-Basilicata earthquake (M6.8), epicentre 437 km away · observed at Pian di Scò

  8. 1969III9 August 1969

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

    Appennino tosco-romagnolo earthquake (M4.2), epicentre 35 km away · observed at Gastra

  9. 1962IV16 September 1962

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

    Chianti earthquake (M4.5), epicentre 20 km away · observed at Castelfranco di Sopra

  10. 1919VII-VIII29 June 1919

    Ruinous: partial collapses in ordinary buildings, widespread heavy damage.

    Mugello earthquake (M6.4), epicentre 36 km away · observed at Faella

  11. 1919VII29 June 1919

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

    Mugello earthquake (M6.4), epicentre 36 km away · observed at Pulicciano

  12. 1909IV-V13 January 1909

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

    Emilia Romagna orientale earthquake (M5.4), epicentre 105 km away · observed at Castelfranco di Sopra

…and 10 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 · 36 km from here
XCompletely destructive: most buildings are destroyed.
13526.3
Alta Valtiberina earthquake
25 December 1352 · 50 km from here
IXDestructive: many buildings partly or fully collapse.
15426.0
Mugello earthquake
13 June 1542 · 43 km from here
IXDestructive: many buildings partly or fully collapse.
17686.0
Appennino forlivese earthquake
19 October 1768 · 44 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 14 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

December 20251eventmax 1.1
Jul
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.1
6 months ago
1 Dec, 09:39
1.3
3 km South-West of Pratovecchio Stia
20 km North-East · 9 km
7 months ago
30 Nov, 20:32
1.0
10 km North-East of Pratovecchio Stia
32 km North-East · 14 km
7 months ago
11 Nov, 23:14
1.9
3 km South-West of Radda in Chianti
26 km South-West · 9 km
8 months ago
10 Oct, 04:30
1.2
2 km South-West of Radda in Chianti
24 km South-West · 8 km
8 months ago
9 Oct, 16:30
1.3
10 months ago
28 Aug, 13:47
0.7
2 km South-West of Pratovecchio Stia
20 km North-East · 10 km
10 months ago
6 Aug, 15:56
1.6
8 km North-East of Pratovecchio Stia
30 km North-East · 9 km
13 months ago
24 May, 11:16
1.8
8 km North-East of Pratovecchio Stia
31 km North-East · 10 km
13 months ago
24 May, 09:58
0.8
8 km North-East of Pratovecchio Stia
30 km North-East · 8 km
13 months ago
18 May, 20:56

Nearby towns

How does it compare with the surroundings?

Castelfranco Piandiscò is about average for its province in recorded quakes.

quietermore active
More epicentres than 57% of the 36 towns in the province.
Castelfranco Piandiscò8
Nearby towns average21

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: 051040

Frequently asked questions

Were there earthquakes today in Castelfranco Piandiscò?

No, no quakes were recorded today in the Castelfranco Piandiscò area: the latest nearby dates back to 6 months ago.

Is Castelfranco Piandiscò a seismic area?

Castelfranco Piandiscò 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 Castelfranco Piandiscò?

In the last ~11 years of INGV data, the strongest within 30 km of Castelfranco Piandiscò was magnitude 3.8, in 2015.

When was the last quake near Castelfranco Piandiscò?

The last quake recorded within 30 km of Castelfranco Piandiscò 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)

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