Earthquakes in Collelongo
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?
The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
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 = 0.241 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Collelongo plus nearby towns.
The seismic history of Collelongo
The earthquakes that were actually felt in Collelongo over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2002III1 November 2002
Light: felt by few people, like a passing truck.
Molise earthquake (M5.7), epicentre 107 km away
- 2000IV25 October 2000
Moderate: felt by many indoors; glasses and dishes rattle.
Marsica earthquake (M3.9), epicentre 18 km away
- 2000II-III11 March 2000
Light: felt by few people, like a passing truck.
Valle dell'Aniene earthquake (M4.3), epicentre 46 km away
- 1998III-IV12 May 1998
Moderate: felt by many indoors; glasses and dishes rattle.
Monti Simbruini earthquake (M3.8), epicentre 23 km away
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 124 km away
- 1994III-IV7 August 1994
Moderate: felt by many indoors; glasses and dishes rattle.
Val Roveto earthquake (M4.3), epicentre 21 km away
- 1994IV5 August 1994
Moderate: felt by many indoors; glasses and dishes rattle.
Val Roveto earthquake (M4.2), epicentre 21 km away
- 1984IV1 July 1984
Moderate: felt by many indoors; glasses and dishes rattle.
Monti della Meta earthquake (M4.6), epicentre 36 km away
- 1984V7 May 1984
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Meta earthquake (M5.9), epicentre 48 km away
- 1983IV12 August 1983
Moderate: felt by many indoors; glasses and dishes rattle.
Monti della Meta earthquake (M4.8), epicentre 48 km away
- 1980IV-V14 June 1980
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M5.0), epicentre 11 km away
- 1915VIII13 January 1915
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Marsica earthquake (M7.1), epicentre 14 km away
…and 11 more documented effects in this town's history.
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 lies about 2 km from Salto Lake-Ovindoli-Barrea, one of the seismic structures mapped by INGV geologists.
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?
Collelongo 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 L'Aquila48 events · 30gAbruzzo region76 events · 30gFrequently asked questions
Were there earthquakes today in Collelongo?
No, no quakes were recorded today in the Collelongo area: the latest nearby dates back to 28 days ago.
Is Collelongo a seismic area?
Collelongo is classified in seismic zone 1 by the Civil Protection. The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.
What was the strongest earthquake near Collelongo?
In the last ~12 years of INGV data, the strongest within 30 km of Collelongo was magnitude 4.4, in 2019.
When was the last quake near Collelongo?
The last quake recorded within 30 km of Collelongo was 10 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)