Province of Pisa

Earthquakes today in Castelfranco di Sotto

Today, within 30 km: no earthquakes recorded (updated at 16:11). Latest: M0.7 on 26 September 2026 at 16:16, 7 km South of Altopascio, 4 km deep.

0.7
very light

Latest earthquake within 30 km

7 km South of Altopascio

17 days ago · 26 Sept 2026, 16:16
Depth 4 km

Seismic activity within 30 km

30 km radius
17
days since the last quake within 30 km
908
quakes recorded since 2015
~5 days
on average, one quake every
3.9
The strongest within 30 km
4 km East of Castelfiorentino
9 years ago · 25 Oct 2016, 18:53

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is Castelfranco di Sotto: zone 3

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 = 0.123 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
6
In the town
total on record
0
In the town
last 12 months
66
Within 30 km
last 12 months
M3.9
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Castelfranco di Sotto. “In the town”: quakes whose nearest town to the epicentre is Castelfranco di Sotto.

Latest earthquake attributed to Castelfranco di Sotto: 18 March 2023 · 12,904 inhabitants

The seismic history of Castelfranco di Sotto

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

  1. 1983IV9 November 1983

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

    Parmense earthquake (M5.0), epicentre 119 km away

  2. 1920VI7 September 1920

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

    Garfagnana earthquake (M6.5), epicentre 61 km away

  3. 1920V7 September 1920

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

    Garfagnana earthquake (M6.5), epicentre 61 km away · observed at Orentano

  4. 1919IV29 June 1919

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

    Mugello earthquake (M6.4), epicentre 66 km away · observed at Orentano

  5. 1914VI27 October 1914

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

    Lucchesia earthquake (M5.6), epicentre 22 km away · observed at Orentano

  6. 1914V27 October 1914

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

    Lucchesia earthquake (M5.6), epicentre 22 km away

  7. 1909IV13 January 1909

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

    Emilia Romagna orientale earthquake (M5.4), epicentre 122 km away · observed at Orentano

  8. 1904IV-V17 November 1904

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

    Pistoiese earthquake (M5.1), epicentre 27 km away · observed at Orentano

  9. 1901IV-V22 September 1901

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

    Valdelsa earthquake (M4.7), epicentre 27 km away · observed at Orentano

  10. 1899IV26 June 1899

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

    Valle del Bisenzio earthquake (M5.0), epicentre 41 km away · observed at Orentano

  11. 1897IV27 July 1897

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

    Valdarno inferiore earthquake (M4.3), epicentre 12 km away

  12. 1895V18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 44 km away

…and 7 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.

18466.0
Colline Pisane earthquake
14 August 1846 · 32 km from here
XCompletely destructive: most buildings are destroyed.
17405.6
Garfagnana earthquake
6 March 1740 · 42 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19145.6
Lucchesia earthquake
27 October 1914 · 22 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
12935.6
Pistoia earthquake
March 1293 · 27 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.

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

The closest seismic structure

Livorno Hills

The town lies about 25 km from Livorno Hills, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.2between 1 and 7 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).

Over time within 30 km

September 20263eventsmax 1.6
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.7
7 km South of Altopascio
4 km North-West · 4 km
17 days ago
26 Sept 2026, 16:16
1.2
5 km North-West of Capannori
22 km North-West · 9 km
22 days ago
21 Sept 2026, 09:52
1.6
1 km South-East of Pisa
30 km West · 13 km
1 month ago
3 Sept 2026, 19:17
1.9
2 km East of Pisa
28 km West · 12 km
2 months ago
26 Aug 2026, 06:43
1.2
2 months ago
25 Aug 2026, 11:20
1.0
1 km South-East of Pisa
29 km West · 11 km
2 months ago
19 Aug 2026, 03:03
1.1
2 km East of Pisa
28 km West · 12 km
2 months ago
13 Aug 2026, 05:20
0.9
2 km East of Pisa
28 km West · 11 km
2 months ago
10 Aug 2026, 01:35
0.7
4 km North-East of Pisa
27 km West · 10 km
2 months ago
9 Aug 2026, 08:59
2.4
3 km North-East of Pisa
29 km West · 9 km
2 months ago
9 Aug 2026, 08:37

Nearby towns

How does it compare with the surroundings?

Castelfranco di Sotto is about average for its province in recorded quakes.

quietermore active
More epicentres than 56% of the 37 towns in the province.
Castelfranco di Sotto6
Nearby towns average13

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Pisa17 events · last 30 daysTuscany region66 events · last 30 days
ISTAT code: 050009

Frequently asked questions

Were there earthquakes near Castelfranco di Sotto today?

No, no quakes were recorded today within 30 km of Castelfranco di Sotto. The latest dates back to 26 September 2026.

Is Castelfranco di Sotto a seismic area?

Castelfranco di Sotto 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 di Sotto?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Castelfranco di Sotto was magnitude 3.9, on 25 October 2016.

When was the last quake near Castelfranco di Sotto?

The last quake recorded within 30 km of Castelfranco di Sotto dates back to 26 September 2026, magnitude 0.7.

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)