Province of Frosinone

Earthquakes today in Alatri

Today, within 30 km: no earthquakes recorded (updated at 11:07). 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
1,303
quakes recorded since 2015
~3 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 Alatri: 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 = 0.176 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
17
In the town
total on record
1
In the town
last 12 months
56
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 Alatri. “In the town”: quakes whose nearest town to the epicentre is Alatri.

Latest earthquake attributed to Alatri: 26 September 2026 · 28,609 inhabitants

The seismic history of Alatri

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

  1. 2016V30 October 2016

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

    Valnerina earthquake (M6.6), epicentre 122 km away

  2. 1984VI7 May 1984

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

    Monti della Meta earthquake (M5.9), epicentre 56 km away

  3. 1980V1 October 1980

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

    Frusinate earthquake (M4.3), epicentre 11 km away

  4. 1979IV-V19 September 1979

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

    Valnerina earthquake (M5.8), epicentre 115 km away

  5. 1922V29 December 1922

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

    Val Roveto earthquake (M5.2), epicentre 20 km away

  6. 1917V8 July 1917

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

    Appennino laziale-abruzzese earthquake (M4.7), epicentre 45 km away

  7. 1915VIII13 January 1915

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

    Marsica earthquake (M7.1), epicentre 31 km away

  8. 1902V-VI21 September 1902

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

    Ciociaria earthquake (M4.0), epicentre 6 km away

  9. 1901V31 July 1901

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

    Sorano earthquake (M5.2), epicentre 30 km away

  10. 1891IV-V9 May 1891

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

    Val Roveto earthquake (M4.4), epicentre 10 km away

  11. 1877VI24 August 1877

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

    Lazio meridionale earthquake (M5.2), epicentre 6 km away

  12. 1873VI12 July 1873

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

    Val Comino earthquake (M5.4), epicentre 33 km away

…and 33 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.

19157.1
Marsica earthquake
13 January 1915 · 31 km from here
XICatastrophic: very few buildings remain standing; landslides and ground cracks.
16546.3
Sorano earthquake
24 July 1654 · 27 km from here
XCompletely destructive: most buildings are destroyed.
19045.7
Marsica earthquake
24 February 1904 · 39 km from here
IXDestructive: many buildings partly or fully collapse.
13485.6
Subiaco earthquake
13 September 1348 · 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 23 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 1.6
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
1 km South-West · 10 km
17 days ago
26 Sept 2026, 00:06
1.5
4 km South of Avezzano
29 km North · 11 km
27 days ago
16 Sept 2026, 18:46
1.4
3 km South of Avezzano
30 km North · 12 km
27 days ago
16 Sept 2026, 18:46
1.4
3 km North of Torrice
11 km South · 10 km
2 months ago
18 Aug 2026, 05:10
1.2
4 km North-East of Sora
17 km East · 9 km
3 months ago
28 Jul 2026, 07:37
1.1
3 months ago
15 Jul 2026, 05:16
1.1
3 months ago
15 Jul 2026, 05:16
1.7
5 km East of Capistrello
27 km North · 10 km
3 months ago
13 Jul 2026, 06:36
1.3
3 months ago
12 Jul 2026, 03:32
1.4
3 months ago
12 Jul 2026, 03:32

Nearby towns

How does it compare with the surroundings?

Alatri 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 86% of the 91 towns in the province.
Alatri17
Nearby towns average56

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: 060003

Frequently asked questions

Were there earthquakes near Alatri today?

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

Is Alatri a seismic area?

Alatri 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 Alatri?

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

When was the last quake near Alatri?

The last quake recorded within 30 km of Alatri 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)