Earthquakes in Signa
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 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 Signa plus nearby towns.
The seismic history of Signa
The earthquakes that were actually felt in Signa over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1919V29 June 1919
Rather strong: felt by almost everyone; hanging objects swing.
Mugello earthquake (M6.4), epicentre 37 km away
- 1914VI27 October 1914
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Lucchesia earthquake (M5.6), epicentre 42 km away
- 1895V7 August 1895
Rather strong: felt by almost everyone; hanging objects swing.
Appennino tosco-emiliano earthquake (M4.7), epicentre 30 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 17 km away · observed at Colli Alti
- 1895VII18 May 1895
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Fiorentino earthquake (M5.5), epicentre 17 km away · observed at Colli Bassi
- 1895VII18 May 1895
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Fiorentino earthquake (M5.5), epicentre 17 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 17 km away · observed at Castelletti
- 1895VI18 May 1895
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Fiorentino earthquake (M5.5), epicentre 17 km away · observed at San Miniato
- 1895VI18 May 1895
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Fiorentino earthquake (M5.5), epicentre 17 km away · observed at Lecore
- 1887V14 November 1887
Rather strong: felt by almost everyone; hanging objects swing.
Fiorentino earthquake (M4.5), epicentre 11 km away
- 1729V23 June 1729
Rather strong: felt by almost everyone; hanging objects swing.
Casentino earthquake (M4.6), epicentre 32 km away
- 1453VII28 September 1453
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Fiorentino earthquake (M5.4), epicentre 16 km away
…and 5 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 26 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?
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 region112 events · 30gFrequently asked questions
Were there earthquakes today in Signa?
No, no quakes were recorded today in the Signa area: the latest nearby dates back to 12 days ago.
Is Signa a seismic area?
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 Signa?
In the last ~12 years of INGV data, the strongest within 30 km of Signa was magnitude 4.1, in 2026.
When was the last quake near Signa?
The last quake recorded within 30 km of Signa was 12 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)