Earthquakes in Monterotondo Marittimo
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 = 0.100 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Monterotondo Marittimo plus nearby towns.
The seismic history of Monterotondo Marittimo
The earthquakes that were actually felt in Monterotondo Marittimo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1998V-VI20 May 1998
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Colline Metallifere earthquake (M4.2), epicentre 5 km away
- 1993IV6 August 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Colline Metallifere earthquake (M4.0), epicentre 22 km away
- 1990V-VI24 June 1990
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Colline Metallifere earthquake (M3.6), epicentre 7 km away
- 1980II8 September 1980
Very light: felt only by a few people at rest, on upper floors.
Costa Grossetana earthquake (M4.4), epicentre 54 km away
- 1972NF25 October 1972
Imperceptible: only instruments record it.
Appennino settentrionale earthquake (M4.9), epicentre 171 km away
- 1970VI19 August 1970
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Colline Metallifere earthquake (M4.7), epicentre 15 km away
- 1925IV21 March 1925
Moderate: felt by many indoors; glasses and dishes rattle.
Colline Metallifere earthquake (M4.3), epicentre 13 km away
- 1925III21 March 1925
Light: felt by few people, like a passing truck.
Colline Metallifere earthquake (M4.3), epicentre 13 km away · observed at Lago Boracifero
- 1909V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 48 km away
- 1909IV-V25 August 1909
Rather strong: felt by almost everyone; hanging objects swing.
Crete Senesi earthquake (M5.3), epicentre 48 km away · observed at Frassine
- 1909NF13 January 1909
Imperceptible: only instruments record it.
Emilia Romagna orientale earthquake (M5.4), epicentre 177 km away
- 1873III12 March 1873
Light: felt by few people, like a passing truck.
Appennino marchigiano earthquake (M5.8), epicentre 198 km away · observed at Lagoni
…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 43 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?
Monterotondo Marittimo sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
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 Monterotondo Marittimo?
No, no quakes were recorded today in the Monterotondo Marittimo area: the latest nearby dates back to 3 days ago.
Is Monterotondo Marittimo a seismic area?
Monterotondo Marittimo 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 Monterotondo Marittimo?
In the last ~11 years of INGV data, the strongest within 30 km of Monterotondo Marittimo was magnitude 3.7, in 2018.
When was the last quake near Monterotondo Marittimo?
The last quake recorded within 30 km of Monterotondo Marittimo 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)