Province of Frosinone

Earthquakes in Posta Fibreno

1.1
very light
LATEST QUAKE

4 km South of Opi

20 days ago · 5 Aug, 05:47
Depth 13 km

Seismic activity in the surroundings

30 km radius
Today
days since the last quake nearby
2,023
quakes recorded since 2014
~2 days
on average, one quake every
4.4
The strongest within 30 km
2 km South-East of Balsorano
83 months ago · 7 Nov, 18:35

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is this area?

Zone1
Seismic zone 1

The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.

Official Civil Protection classification (upd. 2025), used for building codes.

High
Expected shaking, compared with the other Italian municipalities (INGV MPS04 model)

Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.251 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
44
In the town
total on record
4
In the town
last 12 months
48
In the area
last 12 months
M4.4
Strongest ever
In the area

The “area” is Posta Fibreno plus nearby towns.

Last earthquake: 2 months ago · 1,217 inhabitants

The seismic history of Posta Fibreno

The earthquakes that were actually felt in Posta Fibreno over the centuries, with the intensity observed on site (Mercalli MCS scale).

  1. 2003NF1 June 2003

    Imperceptible: only instruments record it.

    Molise earthquake (M4.4), epicentre 94 km away

  2. 2002IV-V1 November 2002

    Rather strong: felt by almost everyone; hanging objects swing.

    Molise earthquake (M5.7), epicentre 96 km away

  3. 2000IV25 October 2000

    Moderate: felt by many indoors; glasses and dishes rattle.

    Marsica earthquake (M3.9), epicentre 18 km away

  4. 1984VI7 May 1984

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Monti della Meta earthquake (M5.9), epicentre 31 km away

  5. 1915VIII13 January 1915

    Ruinous: partial collapses in ordinary buildings, widespread heavy damage.

    Marsica earthquake (M7.1), epicentre 38 km away

  6. 1874VIII6 December 1874

    Ruinous: partial collapses in ordinary buildings, widespread heavy damage.

    Val Comino earthquake (M5.5), epicentre 13 km away

  7. 1873V-VI12 July 1873

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Val Comino earthquake (M5.4), epicentre 8 km away

  8. 1654IX-X24 July 1654

    Completely destructive: most buildings are destroyed.

    Sorano earthquake (M6.3), epicentre 7 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.

19157.1
Marsica earthquake
13 January 1915 · 38 km from here
XICatastrophic: very few buildings remain standing; landslides and ground cracks.
13496.8
Lazio-Molise earthquake
9 September 1349 · 26 km from here
X-XICatastrophic: very few buildings remain standing; landslides and ground cracks.
16546.3
Sorano earthquake
24 July 1654 · 7 km from here
XCompletely destructive: most buildings are destroyed.
19845.9
Monti della Meta earthquake
7 May 1984 · 31 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Salto Lake-Ovindoli-Barrea

The town lies about 11 km from Salto Lake-Ovindoli-Barrea, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 7.1between 1 and 15 km deep

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

August 20262eventsmax 1.4
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.1
4 km South of Opi
15 km East · 13 km
20 days ago
5 Aug, 05:47
1.4
3 km South of Opi
15 km East · 10 km
21 days ago
4 Aug, 02:21
1.2
4 km North-East of Sora
10 km North-West · 9 km
28 days ago
28 Jul, 07:37
1.1
3 km South of Opi
15 km East · 12 km
1 month ago
26 Jul, 06:20
1.1
3 km South of Opi
15 km East · 12 km
1 month ago
26 Jul, 06:20
0.7
3 km South of Opi
16 km East · 12 km
1 month ago
25 Jul, 09:57
0.6
4 km South of Opi
15 km East · 13 km
1 month ago
20 Jul, 03:01
1.3
3 km South of Opi
15 km East · 13 km
1 month ago
20 Jul, 00:18
1.1
2 km South-East of Campoli Appennino
6 km North-East · 11 km
1 month ago
15 Jul, 05:16
1.1
2 km South-East of Campoli Appennino
6 km North-East · 11 km
1 month ago
15 Jul, 05:16

Nearby towns

How does it compare with the surroundings?

Posta Fibreno sits in one of the most seismically active areas of its province: quakes are a familiar presence here, almost always light.

quietermore active
More epicentres than 94% of the 91 towns in the province.
Posta Fibreno44
Nearby towns average99

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Frosinone6 events · 30gLazio region79 events · 30g
ISTAT code: 060057

Frequently asked questions

Were there earthquakes today in Posta Fibreno?

No, no quakes were recorded today in the Posta Fibreno area: the latest nearby dates back to 20 days ago.

Is Posta Fibreno a seismic area?

Posta Fibreno is classified in seismic zone 1 by the Civil Protection. The most severe class: strong earthquakes are possible here and buildings follow the strictest anti-seismic rules.

What was the strongest earthquake near Posta Fibreno?

In the last ~12 years of INGV data, the strongest within 30 km of Posta Fibreno was magnitude 4.4, in 2019.

When was the last quake near Posta Fibreno?

The last quake recorded within 30 km of Posta Fibreno was 55 minutes ago.

Tip. Click a nearby town to explore its seismicity.

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)

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