Earthquakes in Ronchi dei Legionari
Seismic activity in the surroundings
30 km radiusINGV catalogue epicentres of the last ~11 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 = 0.142 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Ronchi dei Legionari plus nearby towns.
The seismic history of Ronchi dei Legionari
The earthquakes that were actually felt in Ronchi dei Legionari over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2004IV-V12 July 2004
Rather strong: felt by almost everyone; hanging objects swing.
Slovenia nord-occidentale earthquake (M5.1), epicentre 55 km away
- 1998III-IV31 August 1998
Moderate: felt by many indoors; glasses and dishes rattle.
Slovenia centrale earthquake (M4.3), epicentre 107 km away
- 1992III-IV21 February 1992
Moderate: felt by many indoors; glasses and dishes rattle.
Costa croata settentrionale earthquake (M4.3), epicentre 76 km away
- 1991IV5 October 1991
Moderate: felt by many indoors; glasses and dishes rattle.
Prealpi Giulie earthquake (M4.5), epicentre 49 km away
- 1990III-IV11 November 1990
Moderate: felt by many indoors; glasses and dishes rattle.
Slovenia occidentale earthquake (M4.6), epicentre 55 km away
- 1988III1 February 1988
Light: felt by few people, like a passing truck.
Friuli earthquake (M4.6), epicentre 67 km away
- 1976VI-VII6 May 1976
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Friuli earthquake (M6.5), epicentre 55 km away
- 1909IV13 January 1909
Moderate: felt by many indoors; glasses and dishes rattle.
Emilia Romagna orientale earthquake (M5.4), epicentre 198 km away
- 1898V20 February 1898
Rather strong: felt by almost everyone; hanging objects swing.
Valli del Natisone earthquake (M5.1), epicentre 32 km away
- 1895IV-V14 April 1895
Rather strong: felt by almost everyone; hanging objects swing.
Ljubljana earthquake (M6.0), epicentre 85 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.
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
7 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Ronchi dei Legionari records more quakes than the average of its province.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Gorizia0 events · 30gFriuli-Venezia Giulia region22 events · 30gFrequently asked questions
Were there earthquakes today in Ronchi dei Legionari?
No, no quakes were recorded today in the Ronchi dei Legionari area: the latest nearby dates back to 8 months ago.
Is Ronchi dei Legionari a seismic area?
Ronchi dei Legionari 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 Ronchi dei Legionari?
In the last ~11 years of INGV data, the strongest within 30 km of Ronchi dei Legionari was magnitude 2.6, in 2024.
When was the last quake near Ronchi dei Legionari?
The last quake recorded within 30 km of Ronchi dei Legionari was 6 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)