Province of Catania

Earthquakes today in Aci Castello

Today, within 30 km: no earthquakes recorded (updated at 11:37). Latest: M1.7 on 12 October 2026 at 12:42, 0 km South of Milo, 8 km deep.

1.7
very light

Latest earthquake within 30 km

0 km South of Milo

23 hours ago · 12 Oct 2026, 12:42
Depth 8 km

Seismic activity within 30 km

30 km radius
1
day since the last quake within 30 km
4,681
quakes recorded since 2015
~1 days
on average, one quake every
4.9
The strongest within 30 km
2 km North of Aci Sant'Antonio
7 years ago · 26 Dec 2018, 03:19

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

How seismic is Aci Castello: zone 2

Zone2
Seismic zone 2

A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.

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

Medium
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 = 0.204 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
94
In the town
total on record
9
In the town
last 12 months
288
Within 30 km
last 12 months
M4.9
Strongest since 2015
Within 30 km

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

Latest earthquake attributed to Aci Castello: 12 October 2026 · 18,122 inhabitants

The seismic history of Aci Castello

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

  1. 2001IV9 January 2001

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

    Etna - Zafferana Etnea earthquake (M3.7), epicentre 16 km away

  2. 1990VI13 December 1990

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

    Sicilia sud-orientale earthquake (M5.6), epicentre 37 km away

  3. 1990V13 December 1990

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

    Sicilia sud-orientale earthquake (M5.6), epicentre 37 km away · observed at Cannizzaro

  4. 1983IV-V20 July 1983

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

    Etna - Viagrande earthquake (M4.3), epicentre 8 km away · observed at Aci Trezza

  5. 1914V26 May 1914

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

    Etna - Lavinaio (Aci S. Antonio) earthquake (M3.8), epicentre 9 km away · observed at Aci Trezza

  6. 1914V8 May 1914

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

    Etna - Linera (S. Venerina) earthquake (M5.2), epicentre 11 km away · observed at Aci Trezza

  7. 1905V8 September 1905

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

    Calabria centrale earthquake (M7.0), epicentre 157 km away

  8. 1848VI11 January 1848

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

    Golfo di Catania earthquake (M5.5), epicentre 17 km away

  9. 1818VII-VIII20 February 1818

    Ruinous: partial collapses in ordinary buildings, widespread heavy damage.

    Catanese earthquake (M6.3), epicentre 5 km away · observed at Aci Trezza

  10. 1818VII20 February 1818

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

    Catanese earthquake (M6.3), epicentre 5 km away

  11. 1693X-XI11 January 1693

    Catastrophic: very few buildings remain standing; landslides and ground cracks.

    Sicilia sud-orientale earthquake (M7.3), epicentre 49 km away · observed at Aci Trezza

  12. 1693X-XI11 January 1693

    Catastrophic: very few buildings remain standing; landslides and ground cracks.

    Sicilia sud-orientale earthquake (M7.3), epicentre 49 km away

…and 43 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.

16937.3
Sicilia sud-orientale earthquake
11 January 1693 · 49 km from here
XICatastrophic: very few buildings remain standing; landslides and ground cracks.
15426.7
Sicilia sud-orientale earthquake
10 December 1542 · 43 km from here
XCompletely destructive: most buildings are destroyed.
11696.5
Sicilia sud-orientale earthquake
4 February 1169 · 43 km from here
XCompletely destructive: most buildings are destroyed.
18186.3
Catanese earthquake
20 February 1818 · 5 km from here
IX-XCompletely destructive: most buildings are destroyed.

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

The closest seismic structure

Gela-Catania

The town sits above this source area: the deep structure where this area's earthquakes can originate.

estimated maximum magnitude 7.1between 3 and 10 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

October 202611eventsmax 1.7
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.7
0 km South of Milo
19 km North · 8 km
23 hours ago
12 Oct 2026, 12:42
1.4
4 km North-West of Zafferana Etnea
21 km North-West · 4 km
2 days ago
11 Oct 2026, 01:29
1.1
4 days ago
9 Oct 2026, 23:02
1.6
1 km South-East of Ragalna
20 km North-West · 3 km
5 days ago
8 Oct 2026, 23:08
1.6
1 km South-East of Ragalna
20 km North-West · 3 km
5 days ago
8 Oct 2026, 23:08
1.7
2 km West of Linguaglossa
30 km North · 6 km
6 days ago
7 Oct 2026, 07:08
1.7
2 km West of Linguaglossa
30 km North · 6 km
6 days ago
7 Oct 2026, 07:08
1.1
3 km West of Linguaglossa
29 km North · 7 km
6 days ago
7 Oct 2026, 05:38
1.1
3 km West of Linguaglossa
29 km North · 7 km
6 days ago
7 Oct 2026, 05:38
1.2
8 days ago
5 Oct 2026, 01:57

Nearby towns

How does it compare with the surroundings?

Aci Castello records more quakes than the average of its province.

quietermore active
More epicentres than 74% of the 58 towns in the province.
Aci Castello94
Nearby towns average129

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

Context

Province of Catania37 events · last 30 daysSicily region176 events · last 30 days
ISTAT code: 087002

Frequently asked questions

Were there earthquakes near Aci Castello today?

No, no quakes were recorded today within 30 km of Aci Castello. The latest dates back to 12 October 2026.

Is Aci Castello a seismic area?

Aci Castello is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.

What was the strongest earthquake near Aci Castello?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Aci Castello was magnitude 4.9, on 26 December 2018.

When was the last quake near Aci Castello?

The last quake recorded within 30 km of Aci Castello dates back to 12 October 2026, magnitude 1.7.

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)