Province of Grosseto

Earthquakes in Massa Marittima

1.0
very light
LATEST QUAKE

6 km North-East of Monteverdi Marittimo

2 days ago · 23 Aug, 07:28
Depth 9 km

Seismic activity in the surroundings

30 km radius
2
days since the last quake nearby
1,543
quakes recorded since 2014
~3 days
on average, one quake every
3.7
The strongest within 30 km
1 km East of Castelnuovo di Val di Cecina
101 months ago · 1 May, 07:16

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is this area?

Zone3
Seismic zone 3

Medium-low seismicity: strong quakes are rare, but not impossible.

Official Civil Protection classification (upd. 2025), used for building codes.

Low
Expected shaking, compared with the other Italian municipalities (INGV MPS04 model)

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).

Closest earthquake
Earthquake details
12
In the town
total on record
1
In the town
last 12 months
157
In the area
last 12 months
M3.7
Strongest ever
In the area

The “area” is Massa Marittima plus nearby towns.

Last earthquake: 5 months ago · 8,614 inhabitants

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).

  1. 1998III-IV20 May 1998

    Moderate: felt by many indoors; glasses and dishes rattle.

    Colline Metallifere earthquake (M4.2), epicentre 8 km away

  2. 1980IV8 September 1980

    Moderate: felt by many indoors; glasses and dishes rattle.

    Costa Grossetana earthquake (M4.4), epicentre 44 km away

  3. 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

  4. 1911II13 September 1911

    Very light: felt only by a few people at rest, on upper floors.

    Chianti earthquake (M5.1), epicentre 57 km away

  5. 1909V25 August 1909

    Rather strong: felt by almost everyone; hanging objects swing.

    Crete Senesi earthquake (M5.3), epicentre 43 km away

  6. 1909V25 August 1909

    Rather strong: felt by almost everyone; hanging objects swing.

    Crete Senesi earthquake (M5.3), epicentre 43 km away · observed at Prata

  7. 1909IV25 August 1909

    Moderate: felt by many indoors; glasses and dishes rattle.

    Crete Senesi earthquake (M5.3), epicentre 43 km away · observed at Tatti

  8. 1909IV13 January 1909

    Moderate: felt by many indoors; glasses and dishes rattle.

    Emilia Romagna orientale earthquake (M5.4), epicentre 183 km away

  9. 1905III12 February 1905

    Light: felt by few people, like a passing truck.

    Monte Amiata earthquake (M4.5), epicentre 58 km away

  10. 1901F30 October 1901

    Moderate: felt by many indoors; glasses and dishes rattle.

    Garda occidentale earthquake (M5.4), epicentre 285 km away

  11. 1895III18 May 1895

    Light: felt by few people, like a passing truck.

    Fiorentino earthquake (M5.5), epicentre 80 km away

  12. 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.

14145.7
Colline Metallifere earthquake
7 August 1414 · 32 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19095.3
Crete Senesi earthquake
25 August 1909 · 43 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18715.2
Val di Cecina earthquake
29 July 1871 · 37 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18045.1
Valdelsa earthquake
18 October 1804 · 49 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Livorno Hills

The town lies about 54 km from Livorno Hills, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.2between 1 and 7 km deep

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

August 20262eventsmax 1.1
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.0
2 days ago
23 Aug, 07:28
1.1
8 km West of Sovicille
31 km North-East · 10 km
18 days ago
6 Aug, 21:15
1.1
1 km West of Montieri
14 km North-East · 9 km
27 days ago
29 Jul, 16:43
1.4
1 km North of Monteverdi Marittimo
22 km North-West · 9 km
1 month ago
24 Jul, 14:45
1.4
4 km North of Montieri
17 km North-East · 8 km
1 month ago
23 Jul, 20:49
1.3
4 km South of Monteverdi Marittimo
19 km North-West · 10 km
1 month ago
22 Jul, 10:33
1.5
1 month ago
14 Jul, 11:56
1.5
1 month ago
14 Jul, 05:50
2.2
5 km North of Montieri
18 km North-East · 8 km
1 month ago
13 Jul, 21:28
0.9
2 months ago
11 Jul, 02:10

Nearby towns

How does it compare with the surroundings?

Massa Marittima records more quakes than the average of its province.

quietermore active
More epicentres than 74% of the 28 towns in the province.
Massa Marittima12
Nearby towns average130

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Grosseto1 events · 30gTuscany region112 events · 30g
ISTAT code: 053015

Frequently 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 2 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 ~12 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 2 days ago.

Tip. Click a nearby town to explore its seismicity.

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)

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