Earthquakes in Bassano Romano
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 = 0.089 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Bassano Romano plus nearby towns.
The seismic history of Bassano Romano
The earthquakes that were actually felt in Bassano 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 76 km away
- 2005III22 August 2005
Light: felt by few people, like a passing truck.
Costa laziale earthquake (M4.8), epicentre 96 km away
- 2000NF16 December 2000
Imperceptible: only instruments record it.
Ternano earthquake (M4.3), epicentre 49 km away
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 97 km away
- 1997IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 106 km away
- 1997III-IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 108 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 87 km away
- 1969V2 July 1969
Rather strong: felt by almost everyone; hanging objects swing.
Monti della Tolfa earthquake (M4.8), epicentre 15 km away
- 1963II2 September 1963
Very light: felt only by a few people at rest, on upper floors.
Monti Cimini earthquake (M4.5), epicentre 21 km away
- 1957NF11 April 1957
Imperceptible: only instruments record it.
Valle del Salto earthquake (M4.9), epicentre 75 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 lies about 66 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
9 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Bassano 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 Viterbo0 events · 30gLazio region55 events · 30gFrequently asked questions
Were there earthquakes today in Bassano Romano?
No, no quakes were recorded today in the Bassano Romano area: the latest nearby dates back to 9 months ago.
Is Bassano Romano a seismic area?
Bassano 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 Bassano Romano?
In the last ~11 years of INGV data, the strongest within 30 km of Bassano Romano was magnitude 2.5, in 2017.
When was the last quake near Bassano Romano?
The last quake recorded within 30 km of Bassano Romano was 9 months ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)