Province of Siena

Earthquakes today in Sarteano

Today, within 30 km: no earthquakes recorded (updated at 14:48). Latest: M1.8 on 29 September 2026 at 04:24, 3 km South-West of San Casciano dei Bagni, 5 km deep.

1.8
very light

Latest earthquake within 30 km

3 km South-West of San Casciano dei Bagni

14 days ago · 29 Sept 2026, 04:24
Depth 5 km

Seismic activity within 30 km

30 km radius
14
days since the last quake within 30 km
577
quakes recorded since 2015
~7 days
on average, one quake every
3.6
The strongest within 30 km
3 km North of Castel Viscardo
2 years ago · 6 Dec 2023, 21:06

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

How seismic is Sarteano: zone 3

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 = 0.145 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
18
In the town
total on record
0
In the town
last 12 months
28
Within 30 km
last 12 months
M3.6
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Sarteano. “In the town”: quakes whose nearest town to the epicentre is Sarteano.

Latest earthquake attributed to Sarteano: 8 April 2020 · 4,741 inhabitants

The seismic history of Sarteano

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

  1. 2017F18 January 2017

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

    Aquilano earthquake (M5.7), epicentre 128 km away

  2. 2000IV1 April 2000

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

    Monte Amiata earthquake (M4.5), epicentre 19 km away

  3. 1997IV6 October 1997

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

    Appennino umbro-marchigiano earthquake (M5.5), epicentre 82 km away

  4. 1997IV-V26 September 1997

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

    Appennino umbro-marchigiano earthquake (M6.0), epicentre 83 km away

  5. 1997IV26 September 1997

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

    Appennino umbro-marchigiano earthquake (M5.7), epicentre 86 km away

  6. 1969IV11 August 1969

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

    Lago Trasimeno earthquake (M4.7), epicentre 33 km away

  7. 1947IV24 December 1947

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

    Crete Senesi earthquake (M4.5), epicentre 22 km away

  8. 1940V-VI16 October 1940

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

    Val di Paglia earthquake (M5.3), epicentre 10 km away

  9. 1919IV-V10 September 1919

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

    Val di Paglia earthquake (M5.4), epicentre 20 km away

  10. 1909V25 August 1909

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

    Crete Senesi earthquake (M5.3), epicentre 41 km away

  11. 1861V-VI9 May 1861

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

    Val di Chiana earthquake (M5.0), epicentre 14 km away

  12. 1777V5 October 1777

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

    Val di Paglia earthquake (M5.1), epicentre 12 km away

…and 14 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.

16955.8
Lazio settentrionale earthquake
11 June 1695 · 45 km from here
IXDestructive: many buildings partly or fully collapse.
12765.6
Orvietano earthquake
22 May 1276 · 34 km from here
VIII-IXDestructive: many buildings partly or fully collapse.
19195.4
Val di Paglia earthquake
10 September 1919 · 20 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19095.3
Crete Senesi earthquake
25 August 1909 · 41 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 50 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).

Over time within 30 km

September 20261eventmax 1.8
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.8
14 days ago
29 Sept 2026, 04:24
0.7
4 km East of Abbadia San Salvatore
12 km South-West · 10 km
1 month ago
31 Aug 2026, 18:00
1.2
2 months ago
7 Aug 2026, 16:19
1.4
3 km South of Abbadia San Salvatore
17 km South-West · 6 km
2 months ago
3 Aug 2026, 05:35
1.4
3 km South of Abbadia San Salvatore
17 km South-West · 6 km
2 months ago
3 Aug 2026, 05:35
1.1
5 km East of Montalcino
27 km West · 10 km
4 months ago
9 Jun 2026, 16:07
1.4
6 km East of San Casciano dei Bagni
15 km South-East · 8 km
6 months ago
29 Apr 2026, 00:37
0.9
6 months ago
10 Apr 2026, 09:34
1.1
6 km South-West of Torrita di Siena
20 km North-West · 10 km
6 months ago
10 Apr 2026, 09:02
1.9
3 km South of Radicofani
10 km South-West · 10 km
8 months ago
24 Feb 2026, 21:37

Nearby towns

How does it compare with the surroundings?

Sarteano is about average for its province in recorded quakes.

quietermore active
More epicentres than 47% of the 35 towns in the province.
Sarteano18
Nearby towns average38

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

Context

Province of Siena14 events · last 30 daysTuscany region66 events · last 30 days
ISTAT code: 052031

Frequently asked questions

Were there earthquakes near Sarteano today?

No, no quakes were recorded today within 30 km of Sarteano. The latest dates back to 29 September 2026.

Is Sarteano a seismic area?

Sarteano 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 Sarteano?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Sarteano was magnitude 3.6, on 6 December 2023.

When was the last quake near Sarteano?

The last quake recorded within 30 km of Sarteano dates back to 29 September 2026, magnitude 1.8.

Tip. Click a nearby town to explore its seismicity.

Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification

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