Province of Sondrio

Earthquakes today in Castello dell'Acqua

Today, within 30 km: no earthquakes recorded (updated at 13:18). Latest: M0.6 on 13 September 2026 at 21:19, 6 km East of Mazzo di Valtellina, 8 km deep.

0.6
very light

Latest earthquake within 30 km

6 km East of Mazzo di Valtellina

1 month ago · 13 Sept 2026, 21:19
Depth 8 km

Seismic activity within 30 km

30 km radius
30
days since the last quake within 30 km
100
quakes recorded since 2015
~43 days
on average, one quake every
2.8
The strongest within 30 km
6 km North of Chiuro
6 years ago · 20 Nov 2019, 21:22

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

How seismic is Castello dell'Acqua: 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 = 0.078 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Tresivio Earthquake details
0
In the town
total on record
0
In the town
last 12 months
3
Within 30 km
last 12 months
M2.8
Strongest since 2015
Within 30 km

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

No epicentre attributed to Castello dell'Acqua in the INGV catalogue since 2015 · 643 inhabitants

The seismic history of Castello dell'Acqua

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

  1. 2001III17 July 2001

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

    Val Venosta earthquake (M4.8), epicentre 102 km away

  2. 1999NF31 December 1999

    Imperceptible: only instruments record it.

    Alpi Retiche earthquake (M4.1), epicentre 52 km away

  3. 1999NF29 December 1999

    Imperceptible: only instruments record it.

    Alpi Retiche earthquake (M4.8), epicentre 51 km away

  4. 1991IV-V20 November 1991

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

    Grigioni, Vaz earthquake (M4.7), epicentre 75 km away

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.

18514.9
Valli Giudicarie earthquake
3 August 1851 · 48 km from here
18824.8
Valle Seriana earthquake
27 February 1882 · 30 km from here
VI-VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
18514.7
Valtellina earthquake
5 February 1851 · 19 km from here
V-VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.
18794.6
Garda occidentale earthquake
14 February 1879 · 48 km from here
VRather strong: felt by almost everyone; hanging objects swing.

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

The closest seismic structure

Western S-Alps internal thrust

The town lies about 55 km from Western S-Alps internal thrust, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.9between 5 and 12 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 0.6
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

0.6
6 km East of Mazzo di Valtellina
29 km North-East · 8 km
1 month ago
13 Sept 2026, 21:19
0.9
4 km West of Lanzada
23 km North-West · 12 km
3 months ago
24 Jul 2026, 15:30
0.6
3 km South-West of Monno
23 km East · 3 km
8 months ago
2 Feb 2026, 04:18
0.6
4 km West of Chiesa in Valmalenco
28 km North-West · 10 km
1 year ago
27 Jul 2025, 02:48
1.0
3 km East of Chiesa in Valmalenco
24 km North-West · 10 km
1 year ago
18 Jul 2025, 16:21
1.0
5 km East of Mazzo di Valtellina
28 km North-East · 10 km
1 year ago
11 Mar 2025, 05:30
1.4
3 km North of Chiesa in Valmalenco
26 km North-West · 11 km
1 year ago
1 Mar 2025, 09:58
0.9
6 km North-West of Bianzone
13 km North-East · 7 km
1 year ago
29 Dec 2024, 09:32
1.6
4 km West of Lanzada
23 km North-West · 10 km
1 year ago
6 Dec 2024, 16:50
1.1
4 km North-East of Buglio in Monte
25 km North-West · 7 km
2 years ago
7 Jul 2024, 06:26

Nearby towns

How does it compare with the surroundings?

Castello dell'Acqua is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 0% of the 77 towns in the province.
Castello dell'Acqua0
Nearby towns average1.2

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

Context

Province of Sondrio12 events · last 30 daysLombardy region14 events · last 30 days
ISTAT code: 014014

Frequently asked questions

Were there earthquakes near Castello dell'Acqua today?

No, no quakes were recorded today within 30 km of Castello dell'Acqua. The latest dates back to 13 September 2026.

Is Castello dell'Acqua a seismic area?

Castello dell'Acqua 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 Castello dell'Acqua?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Castello dell'Acqua was magnitude 2.8, on 20 November 2019.

When was the last quake near Castello dell'Acqua?

The last quake recorded within 30 km of Castello dell'Acqua dates back to 13 September 2026, magnitude 0.6.

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)