Earthquakes in San Gemini
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 = 0.160 g (10% probability of exceedance in 50 years, rigid soil).
The “area” is San Gemini plus nearby towns.
The seismic history of San Gemini
The earthquakes that were actually felt in San Gemini over the centuries, with the intensity observed on site (Mercalli MCS scale).
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M6.0), epicentre 52 km away
- 1997V26 September 1997
Rather strong: felt by almost everyone; hanging objects swing.
Appennino umbro-marchigiano earthquake (M5.7), epicentre 54 km away
- 1979V19 September 1979
Rather strong: felt by almost everyone; hanging objects swing.
Valnerina earthquake (M5.8), epicentre 37 km away
- 1978VII30 July 1978
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ternano earthquake (M4.3), epicentre 3 km away
- 1978VII30 July 1978
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ternano earthquake (M4.3), epicentre 3 km away · observed at Collepizzuto
- 1960V20 July 1960
Rather strong: felt by almost everyone; hanging objects swing.
Ternano earthquake (M4.7), epicentre 8 km away
- 1960D18 July 1960
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Ternano earthquake (M4.5), epicentre 4 km away · observed at Vallantica
- 1960D18 July 1960
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Ternano earthquake (M4.5), epicentre 4 km away · observed at Solfonare
- 1960V23 April 1960
Rather strong: felt by almost everyone; hanging objects swing.
Monti Martani earthquake (M4.7), epicentre 12 km away
- 1917VI12 May 1917
Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.
Ternano earthquake (M5.0), epicentre 8 km away
- 1753VII26 May 1753
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ternano earthquake (M4.8), epicentre 1 km away
- 1751VII11 June 1751
Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
Ternano earthquake (M5.1), epicentre 4 km away
…and 36 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 21 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
60 eventsEarthquakes in the area
Nearby towns
How does it compare with the surroundings?
San Gemini 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 Terni22 events · 30gUmbria region366 events · 30gFrequently asked questions
Were there earthquakes today in San Gemini?
Yes: today the San Gemini area (town and surroundings) recorded 1 quakes; the most recent 7 hours ago.
Is San Gemini a seismic area?
San Gemini 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 San Gemini?
In the last ~12 years of INGV data, the strongest within 30 km of San Gemini was magnitude 3.9, in 2017.
When was the last quake near San Gemini?
The last quake recorded within 30 km of San Gemini was 7 hours ago.
Tip. Click a nearby town to explore its seismicity.
Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)