Earthquakes in Forio
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 = 0.146 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is Forio plus nearby towns.
The seismic history of Forio
The earthquakes that were actually felt in Forio over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 2017V21 August 2017
Rather strong: felt by almost everyone; hanging objects swing.
Isola d'Ischia earthquake (M3.9), epicentre 2 km away · observed at Monterone
- 2017IV-V21 August 2017
Rather strong: felt by almost everyone; hanging objects swing.
Isola d'Ischia earthquake (M3.9), epicentre 2 km away
- 2017IV21 August 2017
Moderate: felt by many indoors; glasses and dishes rattle.
Isola d'Ischia earthquake (M3.9), epicentre 2 km away · observed at Panza
- 1980V23 April 1980
Rather strong: felt by almost everyone; hanging objects swing.
Isola d'Ischia earthquake (M4.4), epicentre 57 km away
- 1930V23 July 1930
Rather strong: felt by almost everyone; hanging objects swing.
Irpinia earthquake (M6.7), epicentre 127 km away
- 1895F1 February 1895
Moderate: felt by many indoors; glasses and dishes rattle.
Monti del Partenio earthquake (M4.3), epicentre 66 km away · observed at Montevergine
- 1883IX28 July 1883
Destructive: many buildings partly or fully collapse.
Isola d'Ischia earthquake (M4.3), epicentre 2 km away
- 1883VII-VIII28 July 1883
Ruinous: partial collapses in ordinary buildings, widespread heavy damage.
Isola d'Ischia earthquake (M4.3), epicentre 2 km away · observed at Panza
- 1881VII4 March 1881
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Isola d'Ischia earthquake (M4.1), epicentre 3 km away · observed at Monterone
- 1881VI4 March 1881
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Isola d'Ischia earthquake (M4.1), epicentre 3 km away
- 1880F24 July 1880
Moderate: felt by many indoors; glasses and dishes rattle.
Isola di Ventotene earthquake (M4.6), epicentre 38 km away
- 1828V-VI2 February 1828
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Isola d'Ischia earthquake (M4.0), epicentre 3 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 sits above this source area: the deep structure where this area's earthquakes can originate.
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?
Forio sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.
Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.
Context
Province of Napoli112 events · 30gCampania region129 events · 30gFrequently asked questions
Were there earthquakes today in Forio?
No, no quakes were recorded today in the Forio area: the latest nearby dates back to 3 days ago.
Is Forio a seismic area?
Forio 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 Forio?
In the last ~12 years of INGV data, the strongest within 30 km of Forio was magnitude 4.7, in 2026.
When was the last quake near Forio?
The last quake recorded within 30 km of Forio was 3 days ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)