Earthquakes in Arrone
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 = 0.211 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Arrone plus nearby towns.
The seismic history of Arrone
The earthquakes that were actually felt in Arrone over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1997VI26 September 1997
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 49 km away
- 1979VI19 September 1979
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Valnerina earthquake (M5.8), epicentre 22 km away
- 1949VI-VII27 October 1949
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti Reatini earthquake (M5.0), epicentre 5 km away
- 1915VI-VII13 January 1915
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Marsica earthquake (M7.1), epicentre 87 km away
- 1900VII19 May 1900
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Arrone earthquake (M4.2), epicentre 2 km away
- 1785VIII-IX9 October 1785
Destructive: many buildings partly or fully collapse.
Monti Reatini earthquake (M5.8), epicentre 4 km away · observed at Buonacquisto
- 1785VII-VIII9 October 1785
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Monti Reatini earthquake (M5.8), epicentre 4 km away · observed at Colle Sant'Angelo
- 1785VII9 October 1785
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti Reatini earthquake (M5.8), epicentre 4 km away · observed at Castiglioni
- 1785VII9 October 1785
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti Reatini earthquake (M5.8), epicentre 4 km away · observed at Rosciano
- 1785VII9 October 1785
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Monti Reatini earthquake (M5.8), epicentre 4 km away
- 1747VII17 April 1747
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 70 km away · observed at Colle Sant'Angelo
- 1703VIII14 January 1703
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Valnerina earthquake (M6.9), epicentre 27 km away
…and 40 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 7 km from Mugello-Citta' di Castello-Leonessa, 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?
Arrone 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 Terni22 events · 30gUmbria region365 events · 30gFrequently asked questions
Were there earthquakes today in Arrone?
Yes: today the Arrone area (town and surroundings) recorded 1 quakes; the most recent 2 hours ago.
Is Arrone a seismic area?
Arrone 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 Arrone?
In the last ~12 years of INGV data, the strongest within 30 km of Arrone was magnitude 3.9, in 2017.
When was the last quake near Arrone?
The last quake recorded within 30 km of Arrone was 2 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)