Earthquakes today in Graffignano
Today, within 30 km: no earthquakes recorded (updated at 12:20). Latest: M2.0 on 10 October 2026 at 09:01, 6 km South-East of Viterbo, 10 km deep.
Seismic activity within 30 km
30 km radiusINGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.
How seismic is Graffignano: zone 2
A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
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 = 0.144 g (10% probability of exceedance in 50 years, rigid soil).
“Within 30 km”: epicentres less than 30 km from the centre of Graffignano. “In the town”: quakes whose nearest town to the epicentre is Graffignano.
The seismic history of Graffignano
The earthquakes that were actually felt in Graffignano over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1997IV14 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.6), epicentre 67 km away
- 1997V3 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.2), epicentre 73 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 72 km away
- 1997IV26 September 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 75 km away
- 1993III-IV5 June 1993
Moderate: felt by many indoors; glasses and dishes rattle.
Valle del Topino earthquake (M4.7), epicentre 75 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 318 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 63 km away
- 1940IV16 October 1940
Moderate: felt by many indoors; glasses and dishes rattle.
Val di Paglia earthquake (M5.3), epicentre 47 km away
- 1931V13 May 1931
Rather strong: felt by almost everyone; hanging objects swing.
Alto Viterbese earthquake (M4.3), epicentre 6 km away
- 1901V-VI19 June 1901
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Sipicciano earthquake (M4.4), epicentre 2 km away · observed at Sipicciano
- 1695VI-VII11 June 1695
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Lazio settentrionale earthquake (M5.8), epicentre 11 km away · observed at Sipicciano
- 1695VI-VII11 June 1695
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Lazio settentrionale earthquake (M5.8), epicentre 11 km away
…and 7 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 46 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).
Over time within 30 km
Earthquake map within 30 km
60 eventsLatest earthquakes within 30 km
Nearby towns
How does it compare with the surroundings?
Graffignano 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 Viterbo2 events · last 30 daysLazio region70 events · last 30 daysFrequently asked questions
Were there earthquakes near Graffignano today?
No, no quakes were recorded today within 30 km of Graffignano. The latest dates back to 10 October 2026.
Is Graffignano a seismic area?
Graffignano is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.
What was the strongest earthquake near Graffignano?
In the INGV catalogue since 2015, the strongest earthquake within 30 km of Graffignano was magnitude 4.1, on 30 May 2016.
When was the last quake near Graffignano?
The last quake recorded within 30 km of Graffignano dates back to 10 October 2026, magnitude 2.0.
Tip. Click a nearby town to explore its seismicity.
Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)