Earthquakes in Vallerano
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 = 0.107 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Vallerano plus nearby towns.
The seismic history of Vallerano
The earthquakes that were actually felt in Vallerano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2000IV-V16 December 2000
Rather strong: felt by almost everyone; hanging objects swing.
Ternano earthquake (M4.3), epicentre 31 km away
- 1998III-IV5 April 1998
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 100 km away
- 1997III-IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 79 km away
- 1997IV6 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 88 km away
- 1997NF3 October 1997
Imperceptible: only instruments record it.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 88 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 87 km away
- 1997IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 89 km away
- 1969III2 July 1969
Light: felt by few people, like a passing truck.
Monti della Tolfa earthquake (M4.8), epicentre 31 km away
- 1963VI2 September 1963
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Monti Cimini earthquake (M4.5), epicentre 2 km away
- 1915V-VI13 January 1915
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Marsica earthquake (M7.1), epicentre 112 km away
- 1703VI-VII14 January 1703
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Valnerina earthquake (M6.9), epicentre 76 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 55 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
11 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
Vallerano 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 region80 events · 30gFrequently asked questions
Were there earthquakes today in Vallerano?
No, no quakes were recorded today in the Vallerano area: the latest nearby dates back to 29 months ago.
Is Vallerano a seismic area?
Vallerano 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 Vallerano?
In the last ~12 years of INGV data, the strongest within 30 km of Vallerano was magnitude 2.8, in 2024.
When was the last quake near Vallerano?
The last quake recorded within 30 km of Vallerano was 5 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)