Province of Siena

Earthquakes in Radda in Chianti

0.9
very light
LATEST QUAKE

5 km South of Monteriggioni

20 days ago · 25 May, 01:32
Depth 10 km

Seismic activity in the surroundings

30 km radius
19
days since the last quake nearby
1,147
quakes recorded since 2015
~4 days
on average, one quake every
3.8
The strongest within 30 km
5 km South-East of San Casciano in Val di Pesa
131 months ago · 13 Sept, 03:04

INGV catalogue epicentres of the last ~11 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 = 0.118 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
8
In the town
total on record
2
In the town
last 12 months
35
In the area
last 12 months
M3.8
Strongest ever
In the area

The “area” is Radda in Chianti plus nearby towns.

Last earthquake: 8 months ago · 1,693 inhabitants

The seismic history of Radda in Chianti

The earthquakes that were actually felt in Radda in Chianti over the centuries, with the intensity observed on site (Mercalli MCS scale).

  1. 2001NF26 November 2001

    Imperceptible: only instruments record it.

    Casentino earthquake (M4.6), epicentre 61 km away

  2. 1962V16 September 1962

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

    Chianti earthquake (M4.5), epicentre 7 km away

  3. 1940II31 January 1940

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

    Siena earthquake (M4.2), epicentre 14 km away

  4. 1914V15 May 1914

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

    Chianti earthquake (M4.2), epicentre 4 km away

  5. 1909V25 August 1909

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

    Crete Senesi earthquake (M5.3), epicentre 37 km away

  6. 1907VII20 December 1907

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Chianti earthquake (M4.4), epicentre 0 km away

  7. 1907VI15 December 1907

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Chianti earthquake (M4.2), epicentre 9 km away

  8. 1906III20 December 1906

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

    Valdelsa earthquake (M4.0), epicentre 13 km away

  9. 1906III-IV21 April 1906

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

    Valdelsa earthquake (M4.3), epicentre 20 km away

  10. 1905NF12 February 1905

    Imperceptible: only instruments record it.

    Monte Amiata earthquake (M4.5), epicentre 71 km away

  11. 1895V-VI25 October 1895

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Chianti earthquake (M4.5), epicentre 14 km away

  12. 1895V18 May 1895

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

    Fiorentino earthquake (M5.5), epicentre 26 km away

…and 6 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.

15586.0
Valdarno superiore earthquake
13 April 1558 · 16 km from here
IXDestructive: many buildings partly or fully collapse.
14145.7
Colline Metallifere earthquake
7 August 1414 · 32 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18955.5
Fiorentino earthquake
18 May 1895 · 26 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
14535.4
Fiorentino earthquake
28 September 1453 · 34 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.

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

The closest seismic structure

Mugello-Citta' di Castello-Leonessa

The town lies about 36 km from Mugello-Citta' di Castello-Leonessa, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.9between 1 and 8 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

May 20263eventsmax 1.6
Jul
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

0.9
5 km South of Monteriggioni
22 km South-West · 10 km
20 days ago
25 May, 01:32
1.4
7 km East of Siena
20 km South · 11 km
1 month ago
8 May, 17:27
1.6
4 km East of Siena
23 km South · 7 km
1 month ago
1 May, 04:43
1.4
3 km East of Siena
22 km South · 10 km
2 months ago
19 Apr, 11:23
1.1
3 months ago
27 Mar, 06:11
1.2
3 months ago
13 Mar, 14:01
0.8
4 km East of Siena
23 km South · 7 km
3 months ago
12 Mar, 00:01
1.5
7 km South of Certaldo
23 km West · 11 km
3 months ago
9 Mar, 10:11
1.3
3 months ago
7 Mar, 09:12
1.0
4 km East of Monteriggioni
15 km South-West · 13 km
3 months ago
7 Mar, 07:30

Nearby towns

How does it compare with the surroundings?

Radda in Chianti is quieter than the average of its province.

quietermore active
More epicentres than 29% of the 35 towns in the province.
Radda in Chianti8
Nearby towns average86

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

Context

Province of Siena3 events · 30gTuscany region52 events · 30g
ISTAT code: 052023

Frequently asked questions

Were there earthquakes today in Radda in Chianti?

No, no quakes were recorded today in the Radda in Chianti area: the latest nearby dates back to 20 days ago.

Is Radda in Chianti a seismic area?

Radda in Chianti 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 Radda in Chianti?

In the last ~11 years of INGV data, the strongest within 30 km of Radda in Chianti was magnitude 3.8, in 2015.

When was the last quake near Radda in Chianti?

The last quake recorded within 30 km of Radda in Chianti was 20 days ago.

Tip. Click a nearby town to explore its seismicity.

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

We use cookies to analyse site traffic and improve your experience.

Privacy PolicyCookie Policy