Province of Trieste

Earthquakes in Muggia

2.1
light
LATEST QUAKE

Slovenia (SLOVENIA)

12 days ago · 13 Aug, 16:26
Depth 10 km

Seismic activity in the surroundings

30 km radius
310
days since the last quake nearby
9
quakes recorded since 2014
~16 months
on average, one quake every
2.6
The strongest within 30 km
5 km East of Monrupino
93 months ago · 8 Jan, 05:03

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

How seismic is this area?

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 = 0.109 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Monrupino Earthquake details
8
In the town
total on record
1
In the town
last 12 months
27
In the area
last 12 months
M6.3
Strongest ever
In the area

The “area” is Muggia plus nearby towns.

Last earthquake: 3 months ago · 13,022 inhabitants

The seismic history of Muggia

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

  1. 1998III31 August 1998

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

    Slovenia centrale earthquake (M4.3), epicentre 93 km away

  2. 1992NF21 February 1992

    Imperceptible: only instruments record it.

    Costa croata settentrionale earthquake (M4.3), epicentre 47 km away

  3. 1976VI6 May 1976

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

    Friuli earthquake (M6.5), epicentre 88 km away

  4. 1956V31 January 1956

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

    Carniola interna earthquake (M5.0), epicentre 39 km away

  5. 1909IV13 January 1909

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

    Emilia Romagna orientale earthquake (M5.4), epicentre 199 km away

  6. 1908II-III10 July 1908

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

    Carnia earthquake (M5.3), epicentre 107 km away

  7. 1895IV14 April 1895

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

    Ljubljana earthquake (M6.0), epicentre 82 km away

  8. 1511VI-VII26 March 1511

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

    Friuli-Slovenia earthquake (M6.3), epicentre 81 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.

19265.7
Carniola interna earthquake
1 January 1926 · 43 km from here
VII-VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18705.6
Costa croata settentrionale earthquake
1 March 1870 · 46 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
15745.6
Istria settentrionale earthquake
14 August 1574 · 33 km from here
19135.1
NW Rijeka earthquake
20 May 1913 · 47 km from here

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

The closest seismic structure

Southern Trieste Gulf

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

estimated maximum magnitude 6.5between 2 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).

Area over time

August 20262eventsmax 3.7
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

2.1
Slovenia (SLOVENIA)
47 km East · 10 km
12 days ago
13 Aug, 16:26
3.7
Costa Croata Settentrionale (CROAZIA)
118 km South-East · 10 km
18 days ago
7 Aug, 01:20
3.3
Bosnia and Herz. [Land]
224 km East · 10 km
26 days ago
30 Jul, 06:29
2.4
Slovenia (SLOVENIA)
36 km North-East · 11 km
2 months ago
4 Jul, 21:49
3.4
Adriatico Settentrionale [Mare]
63 km South-West · 6 km
3 months ago
8 Jun, 03:04
1.8
21 km North-East of Monrupino
34 km North-East · 4 km
3 months ago
28 May, 21:54
3.8
Croatia [Land]
201 km East · 10 km
3 months ago
27 May, 09:51
2.3
Slovenia (SLOVENIA)
103 km East · 5 km
3 months ago
13 May, 04:19
4.5
Serbia [Land]
413 km East · 10 km
4 months ago
5 May, 02:35
3.8
Slovenia (SLOVENIA)
110 km East · 1 km
4 months ago
21 Apr, 07:58

Nearby towns

How does it compare with the surroundings?

Muggia records more quakes than the average of its province.

quietermore active
More epicentres than 60% of the 6 towns in the province.
Muggia8
Nearby towns average35

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

Context

Province of Trieste3 events · 30gFriuli-Venezia Giulia region28 events · 30g
ISTAT code: 032003

Frequently asked questions

Were there earthquakes today in Muggia?

No, no quakes were recorded today in the Muggia area: the latest nearby dates back to 12 days ago.

Is Muggia a seismic area?

Muggia 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 Muggia?

In the last ~12 years of INGV data, the strongest within 30 km of Muggia was magnitude 2.6, in 2019.

When was the last quake near Muggia?

The last quake recorded within 30 km of Muggia was 10 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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