Earthquakes in Sgonico
Slovenia (SLOVENIA)
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is this area?
Medium-low seismicity: strong quakes are rare, but not impossible.
Official Civil Protection classification (upd. 2025), used for building codes.
Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.150 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Sgonico plus nearby towns.
The seismic history of Sgonico
The earthquakes that were actually felt in Sgonico over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1992NF21 February 1992
Imperceptible: only instruments record it.
Costa croata settentrionale earthquake (M4.3), epicentre 55 km away
- 1991NF5 October 1991
Imperceptible: only instruments record it.
Prealpi Giulie earthquake (M4.5), epicentre 66 km away
- 1976IV-V6 May 1976
Rather strong: felt by almost everyone; hanging objects swing.
Friuli earthquake (M6.5), epicentre 74 km away
- 1898F20 February 1898
Moderate: felt by many indoors; glasses and dishes rattle.
Valli del Natisone earthquake (M5.1), epicentre 46 km away · observed at Prosecco
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.
Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).
The closest seismic structure
The town sits above this source area: the deep structure where this area's earthquakes can originate.
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
Earthquake map
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Sgonico is among the quietest towns of its province: very few epicentres are recorded here.
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 · 30gFrequently asked questions
Were there earthquakes today in Sgonico?
No, no quakes were recorded today in the Sgonico area: the latest nearby dates back to 12 days ago.
Is Sgonico a seismic area?
Sgonico 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 Sgonico?
In the last ~12 years of INGV data, the strongest within 30 km of Sgonico was magnitude 3.4, in 2020.
When was the last quake near Sgonico?
The last quake recorded within 30 km of Sgonico was 3 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)