Earthquakes in Massa Marittima
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 = 0.101 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Massa Marittima plus nearby towns.
The seismic history of Massa Marittima
The earthquakes that were actually felt in Massa Marittima over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1998III-IV20 May 1998
Moderate: felt by many indoors; glasses and dishes rattle.
Colline Metallifere earthquake (M4.2), epicentre 8 km away
- 1980IV8 September 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Costa Grossetana earthquake (M4.4), epicentre 44 km away
- 1970V-VI19 August 1970
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Colline Metallifere earthquake (M4.7), epicentre 25 km away
- 1911II13 September 1911
Very light: felt only by a few people at rest, on upper floors.
Chianti earthquake (M5.1), epicentre 57 km away
- 1909V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 43 km away
- 1909V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 43 km away · observed at Prata
- 1909IV25 August 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Crete Senesi earthquake (M5.3), epicentre 43 km away · observed at Tatti
- 1909IV13 January 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Emilia Romagna orientale earthquake (M5.4), epicentre 183 km away
- 1905III12 February 1905
Light: felt by few people, like a passing truck.
Monte Amiata earthquake (M4.5), epicentre 58 km away
- 1901F30 October 1901
Moderate: felt by many indoors; glasses and dishes rattle.
Garda occidentale earthquake (M5.4), epicentre 285 km away
- 1895III18 May 1895
Light: felt by few people, like a passing truck.
Fiorentino earthquake (M5.5), epicentre 80 km away
- 1873II-III12 March 1873
Light: felt by few people, like a passing truck.
Appennino marchigiano earthquake (M5.8), epicentre 191 km away
…and 9 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 54 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?
Massa Marittima 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 region52 events · 30gFrequently asked questions
Were there earthquakes today in Massa Marittima?
No, no quakes were recorded today in the Massa Marittima area: the latest nearby dates back to 3 days ago.
Is Massa Marittima a seismic area?
Massa Marittima 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 Massa Marittima?
In the last ~11 years of INGV data, the strongest within 30 km of Massa Marittima was magnitude 3.7, in 2018.
When was the last quake near Massa Marittima?
The last quake recorded within 30 km of Massa Marittima 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)