Earthquakes in Lastra a Signa
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 years, within the given radius from the town centre.
How seismic is this area?
Medium-low seismicity: strong quakes are rare, but not impossible.
Official Civil Protection classification (upd. 2025), used for building codes.
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).
The “area” is Lastra a Signa plus nearby towns.
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).
- 1929V18 July 1929
Rather strong: felt by almost everyone; hanging objects swing.
Mugello earthquake (M5.0), epicentre 43 km away
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town lies about 29 km from Mugello-Citta' di Castello-Leonessa, one of the seismic structures mapped by INGV geologists.
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
Earthquake map
60 eventsEarthquakes in the area
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.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Firenze7 events · 30gTuscany region52 events · 30gFrequently asked questions
Were there earthquakes today in Lastra a Signa?
No, no quakes were recorded today in the Lastra a Signa area: the latest nearby dates back to 3 months ago.
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 last ~11 years of INGV data, the strongest within 30 km of Lastra a Signa was magnitude 4.1, in 2026.
When was the last quake near Lastra a Signa?
The last quake recorded within 30 km of Lastra a Signa was 1 month ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)