Earthquakes in Borgo San Lorenzo
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?
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.201 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Borgo San Lorenzo plus nearby towns.
The seismic history of Borgo San Lorenzo
The earthquakes that were actually felt in Borgo San Lorenzo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1919IX29 June 1919
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.4), epicentre 5 km away · observed at Casaglia
- 1919VIII-IX29 June 1919
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.4), epicentre 5 km away · observed at Olmi
- 1919VIII-IX29 June 1919
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.4), epicentre 5 km away
- 1919VIII29 June 1919
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Mugello earthquake (M6.4), epicentre 5 km away · observed at Il Salto
- 1919VIII29 June 1919
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Mugello earthquake (M6.4), epicentre 5 km away · observed at Lutiano Nuovo
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Grezzano
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Marzano
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Pulicciano
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Figliano
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Liprafatta
- 1542IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Ronta
- 1542VIII-IX13 June 1542
Destructive: many buildings partly or fully collapse.
Mugello earthquake (M6.0), epicentre 5 km away · observed at Luco Mugello
…and 103 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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?
Borgo San Lorenzo records more quakes than the average of its province.
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 region113 events · 30gFrequently asked questions
Were there earthquakes today in Borgo San Lorenzo?
No, no quakes were recorded today in the Borgo San Lorenzo area: the latest nearby dates back to 3 days ago.
Is Borgo San Lorenzo a seismic area?
Borgo San Lorenzo is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Borgo San Lorenzo?
In the last ~12 years of INGV data, the strongest within 30 km of Borgo San Lorenzo was magnitude 4.9, in 2023.
When was the last quake near Borgo San Lorenzo?
The last quake recorded within 30 km of Borgo San Lorenzo was 3 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)