Province of Caltanissetta

Earthquakes today in Riesi

Today, within 30 km: no earthquakes recorded (updated at 11:39). Latest: M2.3 on 7 October 2026 at 11:06, 5 km South-West of Serradifalco, 29 km deep.

2.3
light

Latest earthquake within 30 km

5 km South-West of Serradifalco

6 days ago · 7 Oct 2026, 11:06
Depth 29 km

Seismic activity within 30 km

30 km radius
6
days since the last quake within 30 km
54
quakes recorded since 2015
~3 months
on average, one quake every
3.4
The strongest within 30 km
5 km South-East of Serradifalco
1 year ago · 14 Oct 2025, 16:01

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

How seismic is Riesi: 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 = 0.068 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Mazzarino Earthquake details
0
In the town
total on record
0
In the town
last 12 months
15
Within 30 km
last 12 months
M3.4
Strongest since 2015
Within 30 km

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

No epicentre attributed to Riesi in the INGV catalogue since 2015 · 11,814 inhabitants

The seismic history of Riesi

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

  1. 2005NF21 November 2005

    Imperceptible: only instruments record it.

    Sicilia centrale earthquake (M4.6), epicentre 33 km away

  2. 2004NF5 May 2004

    Imperceptible: only instruments record it.

    Isole Eolie earthquake (M5.4), epicentre 152 km away

  3. 1994NF6 May 1994

    Imperceptible: only instruments record it.

    Sicilia centrale earthquake (M4.4), epicentre 40 km away

  4. 1994NF5 January 1994

    Imperceptible: only instruments record it.

    Tirreno meridionale earthquake (M5.8), epicentre 228 km away

  5. 1990IV-V13 December 1990

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

    Sicilia sud-orientale earthquake (M5.6), epicentre 119 km away

  6. 1990NF29 October 1990

    Imperceptible: only instruments record it.

    Stretto di Sicilia earthquake (M4.8), epicentre 130 km away

  7. 1968V15 January 1968

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

    Valle del Belice earthquake (M6.4), epicentre 110 km away

  8. 1959IV23 December 1959

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

    Piana di Catania earthquake (M5.1), epicentre 73 km away

  9. 1905NF8 September 1905

    Imperceptible: only instruments record it.

    Calabria centrale earthquake (M7.0), epicentre 238 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.

19095.3
Caltagirone earthquake
2 January 1909 · 39 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19344.8
Sicilia centro-settentrionale earthquake
11 September 1934 · 47 km from here
VI-VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
20054.6
Sicilia centrale earthquake
21 November 2005 · 33 km from here
III-IVModerate: felt by many indoors; glasses and dishes rattle.
18984.5
Calatino earthquake
3 November 1898 · 41 km from here
VIStrong: felt by everyone, many get scared; objects fall, first light damage to buildings.

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

The closest seismic structure

Sciacca-Gela

The town lies about 12 km from Sciacca-Gela, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.2between 2 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 20262eventsmax 2.3
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

54 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

2.3
5 km South-West of Serradifalco
21 km North-West · 29 km
6 days ago
7 Oct 2026, 11:06
2.3
5 km South-West of Serradifalco
21 km North-West · 29 km
6 days ago
7 Oct 2026, 11:06
1.3
8 km East of Barrafranca
20 km North-East · 33 km
1 month ago
31 Aug 2026, 23:38
2.2
10 km South of Enna
24 km North-East · 67 km
2 months ago
18 Aug 2026, 02:13
2.0
3 months ago
17 Jul 2026, 06:19
2.0
3 km North-East of San Cataldo
29 km North-West · 42 km
3 months ago
17 Jul 2026, 04:08
2.1
6 km North-East of San Cataldo
29 km North-West · 27 km
5 months ago
25 May 2026, 15:19
1.3
11 km East of Barrafranca
22 km East · 37 km
5 months ago
25 May 2026, 01:48
2.3
4 km North-West of San Cono
22 km East · 46 km
9 months ago
24 Jan 2026, 05:38
2.2
2 km North-East of Serradifalco
23 km North-West · 5 km
10 months ago
26 Dec 2025, 22:43

Nearby towns

How does it compare with the surroundings?

Riesi is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 0% of the 22 towns in the province.
Riesi0
Nearby towns average7.4

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

Context

Province of Caltanissetta3 events · last 30 daysSicily region176 events · last 30 days
ISTAT code: 085015

Frequently asked questions

Were there earthquakes near Riesi today?

No, no quakes were recorded today within 30 km of Riesi. The latest dates back to 7 October 2026.

Is Riesi a seismic area?

Riesi 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 Riesi?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Riesi was magnitude 3.4, on 14 October 2025.

When was the last quake near Riesi?

The last quake recorded within 30 km of Riesi dates back to 7 October 2026, magnitude 2.3.

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)