Province of Frosinone

Earthquakes in Sant'Ambrogio sul Garigliano

1.5
very light
LATEST QUAKE

3 km West of Cassino

19 days ago · 6 Aug, 02:15
Depth 8 km

Seismic activity in the surroundings

30 km radius
Today
days since the last quake nearby
698
quakes recorded since 2014
~6 days
on average, one quake every
3.6
The strongest within 30 km
4 km West of Roccamonfina
21 months ago · 9 Dec, 07:33

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

How seismic is this area?

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.

Low
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 = 0.135 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
5
In the town
total on record
0
In the town
last 12 months
11
In the area
last 12 months
M3.6
Strongest ever
In the area

The “area” is Sant'Ambrogio sul Garigliano plus nearby towns.

Last earthquake: 85 months ago · 994 inhabitants

The seismic history of Sant'Ambrogio sul Garigliano

The earthquakes that were actually felt in Sant'Ambrogio sul Garigliano 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 85 km away

  2. 1984V11 May 1984

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

    Monti della Meta earthquake (M5.5), epicentre 29 km away

  3. 1916V26 January 1916

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

    Sorano earthquake (M4.7), epicentre 35 km away

  4. 1915D13 January 1915

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

    Marsica earthquake (M7.1), epicentre 75 km away

  5. 1898NF27 June 1898

    Imperceptible: only instruments record it.

    Reatino earthquake (M5.5), epicentre 139 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.

13496.8
Lazio-Molise earthquake
9 September 1349 · 19 km from here
X-XICatastrophic: very few buildings remain standing; landslides and ground cracks.
16546.3
Sorano earthquake
24 July 1654 · 31 km from here
XCompletely destructive: most buildings are destroyed.
19845.9
Monti della Meta earthquake
7 May 1984 · 35 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
19785.9
Tirreno centrale earthquake
27 December 1978 · 43 km from here

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

The closest seismic structure

Venafro

The town lies about 16 km from Venafro, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.6between 1 and 13 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 20261eventmax 1.5
Oct
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul

Earthquake map

60 events
Magnitude:lightweakmoderatestrong

Earthquakes in the area

1.5
3 km West of Cassino
11 km North-West · 8 km
19 days ago
6 Aug, 02:15
1.6
4 km North-West of Rocca d'Evandro
2 km North-East · 9 km
3 months ago
1 Jun, 13:02
1.9
3 months ago
30 May, 03:12
1.4
2 km South-East of Villa Santa Lucia
11 km North-West · 8 km
3 months ago
16 May, 09:27
1.4
2 km North-East of Villa Santa Lucia
14 km North-West · 7 km
8 months ago
28 Dec, 21:21
1.9
4 km North-West of Rocca d'Evandro
2 km North-East · 16 km
9 months ago
14 Nov, 19:34
1.5
1 km North-East of Villa Santa Lucia
14 km North-West · 8 km
11 months ago
13 Oct, 11:21
1.7
1 km West of Piedimonte San Germano
14 km North-West · 7 km
12 months ago
9 Sept, 20:34
1.6
3 km North of Roccamonfina
14 km South-East · 11 km
12 months ago
27 Aug, 04:39
1.7
3 km West of Aquino
17 km North-West · 3 km
12 months ago
26 Aug, 21:45

Nearby towns

How does it compare with the surroundings?

Sant'Ambrogio sul Garigliano is about average for its province in recorded quakes.

quietermore active
More epicentres than 51% of the 91 towns in the province.
Sant'Ambrogio sul Garigliano5
Nearby towns average18

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: 060065

Frequently asked questions

Were there earthquakes today in Sant'Ambrogio sul Garigliano?

No, no quakes were recorded today in the Sant'Ambrogio sul Garigliano area: the latest nearby dates back to 19 days ago.

Is Sant'Ambrogio sul Garigliano a seismic area?

Sant'Ambrogio sul Garigliano 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 Sant'Ambrogio sul Garigliano?

In the last ~12 years of INGV data, the strongest within 30 km of Sant'Ambrogio sul Garigliano was magnitude 3.6, in 2024.

When was the last quake near Sant'Ambrogio sul Garigliano?

The last quake recorded within 30 km of Sant'Ambrogio sul Garigliano was 35 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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