Province of Firenze

Earthquakes today in Lastra a Signa

Today, within 30 km: no earthquakes recorded (updated at 10:44). Latest: M1.7 on 13 August 2026 at 06:48, 4 km East of San Casciano in Val di Pesa, 10 km deep.

1.7
very light

Latest earthquake within 30 km

4 km East of San Casciano in Val di Pesa

2 months ago · 13 Aug 2026, 06:48
Depth 10 km

Seismic activity within 30 km

30 km radius
61
days since the last quake within 30 km
1,186
quakes recorded since 2015
~4 days
on average, one quake every
4.1
The strongest within 30 km
3 km East of Pistoia
7 months ago · 26 Mar 2026, 09:40

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

How seismic is Lastra a Signa: 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 = 0.125 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Signa Earthquake details
1
In the town
total on record
0
In the town
last 12 months
37
Within 30 km
last 12 months
M4.1
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Lastra a Signa. “In the town”: quakes whose nearest town to the epicentre is Lastra a Signa.

Latest earthquake attributed to Lastra a Signa: 22 February 2024 · 18,960 inhabitants

The seismic history of Lastra a Signa

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

  1. 1929V18 July 1929

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

    Mugello earthquake (M5.0), epicentre 43 km away

  2. 1904V-VI17 November 1904

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

    Pistoiese earthquake (M5.1), epicentre 31 km away

  3. 1895V-VI25 October 1895

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

    Chianti earthquake (M4.5), epicentre 28 km away

  4. 1895VII18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away

  5. 1895VI-VII18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Malmantile

  6. 1895VI-VII18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Marliano

  7. 1895D18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Capannuccia

  8. 1895VI18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Lamole

  9. 1895VI18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Stagno

  10. 1895VI18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Santa Lucia

  11. 1895VI18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at San Martino a Gangalandi

  12. 1895VI18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 16 km away · observed at Ponte a Signa

…and 20 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 · 39 km from here
XCompletely destructive: most buildings are destroyed.
15426.0
Mugello earthquake
13 June 1542 · 37 km from here
IXDestructive: many buildings partly or fully collapse.
19145.6
Lucchesia earthquake
27 October 1914 · 42 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
14705.6
Appennino bolognese earthquake
11 April 1470 · 45 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

Mugello-Citta' di Castello-Leonessa

The town lies about 29 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).

Over time within 30 km

August 20261eventmax 1.7
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.7
2 months ago
13 Aug 2026, 06:48
0.9
3 km West of Serravalle Pistoiese
25 km North-West · 11 km
3 months ago
26 Jul 2026, 02:05
1.5
3 months ago
22 Jul 2026, 19:29
1.6
3 months ago
22 Jul 2026, 19:05
0.9
3 months ago
22 Jul 2026, 18:40
0.9
3 km East of Castelfiorentino
16 km South-West · 10 km
3 months ago
18 Jul 2026, 22:00
1.5
6 km East of Pistoia
27 km North-West · 51 km
3 months ago
9 Jul 2026, 03:52
1.5
6 km East of Pistoia
27 km North-West · 51 km
3 months ago
9 Jul 2026, 03:52
1.1
1 km South-East of Pistoia
29 km North-West · 12 km
5 months ago
13 May 2026, 10:22
2.1
2 km South-West of Vaglia
20 km North-East · 10 km
6 months ago
16 Apr 2026, 04:05

Nearby towns

How does it compare with the surroundings?

Lastra a Signa is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 8% of the 41 towns in the province.
Lastra a Signa1
Nearby towns average69

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

Context

Province of Firenze5 events · last 30 daysTuscany region67 events · last 30 days
ISTAT code: 048024

Frequently asked questions

Were there earthquakes near Lastra a Signa today?

No, no quakes were recorded today within 30 km of Lastra a Signa. The latest dates back to 13 August 2026.

Is Lastra a Signa a seismic area?

Lastra a Signa 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 Lastra a Signa?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Lastra a Signa was magnitude 4.1, on 26 March 2026.

When was the last quake near Lastra a Signa?

The last quake recorded within 30 km of Lastra a Signa dates back to 13 August 2026, magnitude 1.7.

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)