Province of Frosinone

Earthquakes today in Arnara

Today, within 30 km: no earthquakes recorded (updated at 11:05). Latest: M1.6 on 26 September 2026 at 00:06, 1 km South-West of Alatri, 10 km deep.

1.6
very light

Latest earthquake within 30 km

1 km South-West of Alatri

17 days ago · 26 Sept 2026, 00:06
Depth 10 km

Seismic activity within 30 km

30 km radius
17
days since the last quake within 30 km
891
quakes recorded since 2015
~5 days
on average, one quake every
4.4
The strongest within 30 km
2 km South-East of Balsorano
6 years ago · 7 Nov 2019, 18:35

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

How seismic is Arnara: zone 2

Zone2
Seismic 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.

Medium
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 = 0.154 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
3
In the town
total on record
0
In the town
last 12 months
30
Within 30 km
last 12 months
M4.4
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Arnara. “In the town”: quakes whose nearest town to the epicentre is Arnara.

Latest earthquake attributed to Arnara: 19 July 2025 · 2,379 inhabitants

The seismic history of Arnara

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

  1. 2000II-III11 March 2000

    Light: felt by few people, like a passing truck.

    Valle dell'Aniene earthquake (M4.3), epicentre 52 km away

  2. 1994NF5 August 1994

    Imperceptible: only instruments record it.

    Val Roveto earthquake (M4.2), epicentre 42 km away

  3. 1915VIII13 January 1915

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

    Marsica earthquake (M7.1), epicentre 50 km away

  4. 1886IV-V28 July 1886

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

    Ceccano earthquake (M3.9), epicentre 1 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 · 50 km from here
XICatastrophic: very few buildings remain standing; landslides and ground cracks.
13496.8
Lazio-Molise earthquake
9 September 1349 · 47 km from here
X-XICatastrophic: very few buildings remain standing; landslides and ground cracks.
16546.3
Sorano earthquake
24 July 1654 · 26 km from here
XCompletely destructive: most buildings are destroyed.
13485.6
Subiaco earthquake
13 September 1348 · 45 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 37 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).

Over time within 30 km

September 20263eventsmax 1.7
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.6
1 km South-West of Alatri
18 km North · 10 km
17 days ago
26 Sept 2026, 00:06
1.7
2 km North-East of Sezze
27 km West · 8 km
25 days ago
18 Sept 2026, 05:40
1.7
1 km North of Sezze
28 km West · 8 km
25 days ago
18 Sept 2026, 04:54
1.4
3 km North of Torrice
8 km North · 10 km
2 months ago
18 Aug 2026, 05:10
2.1
2 months ago
11 Aug 2026, 22:06
1.2
4 km North-East of Sora
27 km North-East · 9 km
3 months ago
28 Jul 2026, 07:37
1.9
3 months ago
8 Jul 2026, 09:20
1.9
3 months ago
8 Jul 2026, 09:20
1.1
3 km East of Sora
25 km North-East · 9 km
3 months ago
1 Jul 2026, 02:59
1.7
2 km North of Posta Fibreno
30 km East · 10 km
4 months ago
27 Jun 2026, 22:45

Nearby towns

How does it compare with the surroundings?

Arnara is quieter than the average of its province.

quietermore active
More epicentres than 38% of the 91 towns in the province.
Arnara3
Nearby towns average4.8

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

Context

Province of Frosinone4 events · last 30 daysLazio region70 events · last 30 days
ISTAT code: 060009

Frequently asked questions

Were there earthquakes near Arnara today?

No, no quakes were recorded today within 30 km of Arnara. The latest dates back to 26 September 2026.

Is Arnara a seismic area?

Arnara 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 Arnara?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Arnara was magnitude 4.4, on 7 November 2019.

When was the last quake near Arnara?

The last quake recorded within 30 km of Arnara dates back to 26 September 2026, magnitude 1.6.

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)