Earthquakes in Ponsacco
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 = 0.141 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Ponsacco plus nearby towns.
The seismic history of Ponsacco
The earthquakes that were actually felt in Ponsacco over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1995III-IV10 October 1995
Moderate: felt by many indoors; glasses and dishes rattle.
Lunigiana earthquake (M4.8), epicentre 75 km away
- 1984III1 May 1984
Light: felt by few people, like a passing truck.
Costa pisano-livornese earthquake (M3.9), epicentre 28 km away
- 1984IV22 April 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Costa pisano-livornese earthquake (M4.6), epicentre 33 km away
- 1983IV9 November 1983
Moderate: felt by many indoors; glasses and dishes rattle.
Parmense earthquake (M5.0), epicentre 130 km away
- 1980IV7 June 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Garfagnana earthquake (M4.6), epicentre 51 km away
- 1920VI7 September 1920
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Garfagnana earthquake (M6.5), epicentre 70 km away
- 1914V27 October 1914
Rather strong: felt by almost everyone; hanging objects swing.
Lucchesia earthquake (M5.6), epicentre 33 km away
- 1909F25 August 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Crete Senesi earthquake (M5.3), epicentre 81 km away
- 1909IV13 January 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Emilia Romagna orientale earthquake (M5.4), epicentre 136 km away
- 1904III17 November 1904
Light: felt by few people, like a passing truck.
Pistoiese earthquake (M5.1), epicentre 42 km away
- 1897VI-VII27 July 1897
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Valdarno inferiore earthquake (M4.3), epicentre 3 km away
- 1846VI-VII14 August 1846
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Colline Pisane earthquake (M6.0), epicentre 17 km away
…and 2 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 13 km from Livorno Hills, 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?
Ponsacco 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 Pisa72 events · 30gTuscany region113 events · 30gFrequently asked questions
Were there earthquakes today in Ponsacco?
No, no quakes were recorded today in the Ponsacco area: the latest nearby dates back to 19 days ago.
Is Ponsacco a seismic area?
Ponsacco 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 Ponsacco?
In the last ~12 years of INGV data, the strongest within 30 km of Ponsacco was magnitude 4.3, in 2026.
When was the last quake near Ponsacco?
The last quake recorded within 30 km of Ponsacco was 2 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)