Earthquakes in Offagna
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?
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 = 0.183 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Offagna plus nearby towns.
The seismic history of Offagna
The earthquakes that were actually felt in Offagna over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2017F18 January 2017
Moderate: felt by many indoors; glasses and dishes rattle.
Aquilano earthquake (M5.7), epicentre 112 km away
- 2006IV-V10 April 2006
Rather strong: felt by almost everyone; hanging objects swing.
Maceratese earthquake (M4.1), epicentre 15 km away
- 1998IV-V5 April 1998
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M4.8), epicentre 66 km away
- 1997IV-V14 October 1997
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.6), epicentre 83 km away
- 1997IV6 October 1997
Moderate: felt by many indoors; glasses and dishes rattle.
Appennino umbro-marchigiano earthquake (M5.5), epicentre 74 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 72 km away
- 1997IV-V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 75 km away
- 1980IV23 November 1980
Moderate: felt by many indoors; glasses and dishes rattle.
Irpinia-Basilicata earthquake (M6.8), epicentre 335 km away
- 1979IV19 September 1979
Moderate: felt by many indoors; glasses and dishes rattle.
Valnerina earthquake (M5.8), epicentre 97 km away
- 1957IV11 November 1957
Moderate: felt by many indoors; glasses and dishes rattle.
Costa anconetana earthquake (M4.5), epicentre 13 km away
- 1930VII30 October 1930
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Senigallia earthquake (M5.8), epicentre 18 km away
- 1690VI-VII23 December 1690
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Costa anconetana earthquake (M5.6), epicentre 13 km away
…and 6 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 5 km from Pesaro-Senigallia, 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?
Offagna 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 Ancona9 events · 30gMarche region335 events · 30gFrequently asked questions
Were there earthquakes today in Offagna?
No, no quakes were recorded today in the Offagna area: the latest nearby dates back to 24 days ago.
Is Offagna a seismic area?
Offagna 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 Offagna?
In the last ~12 years of INGV data, the strongest within 30 km of Offagna was magnitude 3.6, in 2023.
When was the last quake near Offagna?
The last quake recorded within 30 km of Offagna was 11 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)