Earthquakes in Oriolo Romano
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 = 0.078 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Oriolo Romano plus nearby towns.
The seismic history of Oriolo Romano
The earthquakes that were actually felt in Oriolo Romano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2005NF15 December 2005
Imperceptible: only instruments record it.
Val Nerina earthquake (M4.1), epicentre 82 km away
- 1998III26 March 1998
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.3), epicentre 122 km away
- 1997II14 October 1997
Very light: felt only by a few people at rest, on upper floors.
Valnerina earthquake (M5.6), epicentre 103 km away
- 1997IV-V6 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 112 km away
- 1997III-IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 111 km away
- 1997III26 September 1997
Light: felt by few people, like a passing truck.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 114 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 92 km away
- 1971V6 February 1971
Rather strong: felt by almost everyone; hanging objects swing.
Tuscania earthquake (M4.8), epicentre 38 km away
- 1969V2 July 1969
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Tolfa earthquake (M4.8), epicentre 10 km away
- 1915V13 January 1915
Rather strong: felt by almost everyone; hanging objects swing.
Marsica earthquake (M7.1), epicentre 117 km away
- 1909II-III31 August 1909
Light: felt by few people, like a passing truck.
Roma earthquake (M4.2), epicentre 35 km away
- 1877V23 December 1877
Rather strong: felt by almost everyone; hanging objects swing.
Viterbese earthquake (M4.7), epicentre 13 km away
…and 2 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 70 km from Castelli Romani, 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
10 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Oriolo Romano 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 Viterbo1 events · 30gLazio region78 events · 30gFrequently asked questions
Were there earthquakes today in Oriolo Romano?
No, no quakes were recorded today in the Oriolo Romano area: the latest nearby dates back to 11 months ago.
Is Oriolo Romano a seismic area?
Oriolo Romano 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 Oriolo Romano?
In the last ~12 years of INGV data, the strongest within 30 km of Oriolo Romano was magnitude 2.5, in 2017.
When was the last quake near Oriolo Romano?
The last quake recorded within 30 km of Oriolo Romano was 11 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)