Earthquakes in Castel del Piano
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 = 0.141 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Castel del Piano plus nearby towns.
The seismic history of Castel del Piano
The earthquakes that were actually felt in Castel del Piano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV1 April 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Monte Amiata earthquake (M4.5), epicentre 18 km away
- 1997III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 113 km away
- 1948VI3 November 1948
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.8), epicentre 8 km away
- 1940V16 October 1940
Rather strong: felt by almost everyone; hanging objects swing.
Val di Paglia earthquake (M5.3), epicentre 29 km away
- 1940V19 June 1940
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.6), epicentre 19 km away
- 1928IV21 April 1928
Moderate: felt by many indoors; glasses and dishes rattle.
Val d'Orcia earthquake (M4.4), epicentre 11 km away
- 1926VI8 January 1926
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monte Amiata earthquake (M4.9), epicentre 13 km away
- 1925V3 September 1925
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.2), epicentre 10 km away
- 1919VI10 September 1919
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Val di Paglia earthquake (M5.4), epicentre 27 km away
- 1905V12 February 1905
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.5), epicentre 8 km away
- 1904IV-V7 September 1904
Rather strong: felt by almost everyone; hanging objects swing.
Valle dell'Ombrone earthquake (M4.3), epicentre 12 km away
- 1902V17 December 1902
Rather strong: felt by almost everyone; hanging objects swing.
Monte Amiata earthquake (M4.8), epicentre 12 km away
…and 4 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 75 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?
Castel del Piano 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 Grosseto9 events · 30gTuscany region53 events · 30gFrequently asked questions
Were there earthquakes today in Castel del Piano?
No, no quakes were recorded today in the Castel del Piano area: the latest nearby dates back to 2 days ago.
Is Castel del Piano a seismic area?
Castel del Piano 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 Castel del Piano?
In the last ~11 years of INGV data, the strongest within 30 km of Castel del Piano was magnitude 3.4, in 2019.
When was the last quake near Castel del Piano?
The last quake recorded within 30 km of Castel del Piano was 2 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)