Province of Sud Sardegna

Earthquakes in Gonnesa

5.1
strong
LATEST QUAKE

Northern Algeria [Land: Algeria]

66 months ago · 1 Apr, 16:33
Depth 20 km

Seismic activity in the surroundings

50 km radius

No events within 30 km of the town. The closest on record: magnitude 2.0, 42 km away.

2,528
days since the last quake nearby
1
quakes recorded since 2014
on average, one quake every
2.0
The strongest within 50 km
5 km West of Samassi
84 months ago · 22 Sept, 21:21

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

How seismic is this area?

Zone4
Seismic zone 4

The quietest class: the probability of strong earthquakes is very low.

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

The national hazard map provides no value for this area: that happens in the quietest parts of Italy.

Hazard describes the long-term expected shaking: it is not a forecast.

Why the ground rarely shakes here

Gonnesa sits in one of the most stable areas of Italy: far from the boundary between the Eurasian and African plates, on ancient, rigid crust that hardly accumulates tectonic stress any more.

That is why earthquakes here are rare and almost always weak: a small geological privilege.

Closest earthquake
Go to Sant'Antioco Earthquake details
0
In the town
total on record
0
In the town
last 12 months
0
In the area
last 12 months
M5.1
Strongest ever
In the area

The “area” is Gonnesa plus nearby towns.

No earthquakes recorded in Gonnesa · 5,135 inhabitants

The great earthquakes in this area's history

Almost a thousand years of catalogues: the strongest documented events within ~50 km.

17714.4
Sardegna meridionale earthquake
17 August 1771 · 42 km from here

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

The closest seismic structure

Northern Africa offshore - East

The town lies about 140 km from Northern Africa offshore - East, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 8.0between 1 and 25 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

August 2026no events
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

7 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

5.1
Northern Algeria [Land: Algeria]
299 km South-West · 20 km
66 months ago
1 Apr, 16:33
5.1
Northern Algeria [Land: Algeria]
317 km South-West · 10 km
70 months ago
22 Nov, 04:53
4.7
Northern Algeria [Land: Algeria]
344 km South-West · 20 km
74 months ago
7 Aug, 13:13
4.8
Northern Algeria [Land: Algeria]
365 km South-West · 10 km
74 months ago
7 Aug, 08:15
5.0
Northern Algeria [Land: Algeria]
463 km South-West · 20 km
78 months ago
26 Mar, 08:09
5.0
Northern Algeria [Land: Algeria]
375 km South-West · 10 km
80 months ago
24 Jan, 08:24
5.0
Algeria [Sea]
325 km South-West · 20 km
87 months ago
13 Jul, 11:56

Nearby towns

How does it compare with the surroundings?

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

quietermore active
More epicentres than 0% of the 107 towns in the province.
Gonnesa0
Nearby towns average0.6

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

Context

Province of Sud Sardegna0 events · 30gSardinia region0 events · 30g
ISTAT code: 111030

Frequently asked questions

Were there earthquakes today in Gonnesa?

No, no quakes were recorded today in the Gonnesa area: the latest nearby dates back to 66 months ago.

Is Gonnesa a seismic area?

Gonnesa is classified in seismic zone 4 by the Civil Protection. The quietest class: the probability of strong earthquakes is very low.

What was the strongest earthquake near Gonnesa?

In the last ~12 years of INGV data, the strongest within 50 km of Gonnesa was magnitude 2.0, in 2019.

When was the last quake near Gonnesa?

The last quake recorded within 50 km of Gonnesa was 84 months ago.

Tip. Click a nearby town to explore its seismicity.

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

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