Province of Napoli

Earthquakes today in Gragnano

Today, within 30 km: no earthquakes recorded (updated at 14:44). Latest: M1.1 on 6 October 2026 at 04:45, 4 km South-East of Massa di Somma, 0 km deep.

1.1
very light

Latest earthquake within 30 km

4 km South-East of Massa di Somma

7 days ago · 6 Oct 2026, 04:45
Depth 0 km

Seismic activity within 30 km

30 km radius
7
days since the last quake within 30 km
790
quakes recorded since 2015
~5 days
on average, one quake every
3.1
The strongest within 30 km
4 km East of Massa di Somma
2 years ago · 28 Apr 2024, 05:55

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

How seismic is Gragnano: zone 3

Zone3
Seismic zone 3

Medium-low seismicity: strong quakes are rare, but not impossible.

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 = 0.105 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Go to Boscoreale Earthquake details
0
In the town
total on record
0
In the town
last 12 months
82
Within 30 km
last 12 months
M3.1
Strongest since 2015
Within 30 km

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

No epicentre attributed to Gragnano in the INGV catalogue since 2015 · 29,509 inhabitants

The seismic history of Gragnano

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

  1. 1996IV-V3 April 1996

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

    Irpinia earthquake (M4.9), epicentre 78 km away

  2. 1990V5 May 1990

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

    Potentino earthquake (M5.8), epicentre 102 km away

  3. 1981V-VI14 February 1981

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

    Monti di Avella earthquake (M4.9), epicentre 35 km away

  4. 1980VII23 November 1980

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Irpinia-Basilicata earthquake (M6.8), epicentre 65 km away

  5. 1930VII23 July 1930

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Irpinia earthquake (M6.7), epicentre 78 km away

  6. 1915V13 January 1915

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

    Marsica earthquake (M7.1), epicentre 170 km away

  7. 1910V7 June 1910

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

    Irpinia-Basilicata earthquake (M5.8), epicentre 78 km away

  8. 1857VII-VIII16 December 1857

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

    Basilicata earthquake (M7.1), epicentre 117 km away

  9. 1805VII26 July 1805

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Molise earthquake (M6.7), epicentre 91 km away

  10. 1694V7 October 1694

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

    Penisola sorrentina earthquake (M4.7), epicentre 7 km away

  11. 1694VII8 September 1694

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Irpinia-Basilicata earthquake (M6.7), epicentre 76 km away · observed at Sant'Erasmo

  12. 1694VI-VII8 September 1694

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Irpinia-Basilicata earthquake (M6.7), epicentre 76 km away

…and 6 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.

15615.6
Penisola sorrentina earthquake
31 July 1561 · 15 km from here
IXDestructive: many buildings partly or fully collapse.
14995.6
Nola earthquake
5 December 1499 · 27 km from here
VIIIRuinous: partial collapses in ordinary buildings, widespread heavy damage.
18055.1
Pianura Campana earthquake
13 October 1805 · 37 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.
17375.1
Monti di Avella earthquake
31 March 1737 · 28 km from here
VIIVery strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

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

The closest seismic structure

Ischia

The town lies about 52 km from Ischia, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 5.4between 0 and 4 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

October 20262eventsmax 1.1
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.1
4 km South-East of Massa di Somma
18 km North-West · 0 km
7 days ago
6 Oct 2026, 04:45
1.1
4 km South-East of Massa di Somma
18 km North-West · 1 km
9 days ago
4 Oct 2026, 22:15
1.2
4 km South-East of Massa di Somma
18 km North-West · 2 km
14 days ago
29 Sept 2026, 11:32
1.0
4 km South-East of Massa di Somma
18 km North-West · 0 km
22 days ago
21 Sept 2026, 08:53
1.0
4 km South-East of Massa di Somma
18 km North-West · 0 km
22 days ago
21 Sept 2026, 08:53
1.0
4 km South-East of Massa di Somma
18 km North-West · 0 km
25 days ago
19 Sept 2026, 03:03
1.8
4 km North-West of Terzigno
17 km North-West · 4 km
25 days ago
18 Sept 2026, 21:21
1.5
4 km South-East of Massa di Somma
18 km North-West · 0 km
1 month ago
11 Sept 2026, 10:05
1.4
4 km North of Trecase
17 km North-West · 2 km
1 month ago
9 Sept 2026, 03:32
1.2
4 km South-East of Massa di Somma
18 km North-West · 0 km
1 month ago
5 Sept 2026, 08:56

Nearby towns

How does it compare with the surroundings?

Gragnano is among the quietest towns of its province: very few epicentres are recorded here.

quietermore active
More epicentres than 0% of the 92 towns in the province.
Gragnano0
Nearby towns average0.2

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

Context

Province of Napoli26 events · last 30 daysCampania region51 events · last 30 days
ISTAT code: 063035

Frequently asked questions

Were there earthquakes near Gragnano today?

No, no quakes were recorded today within 30 km of Gragnano. The latest dates back to 6 October 2026.

Is Gragnano a seismic area?

Gragnano is classified in seismic zone 3 by the Civil Protection. Medium-low seismicity: strong quakes are rare, but not impossible.

What was the strongest earthquake near Gragnano?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Gragnano was magnitude 3.1, on 28 April 2024.

When was the last quake near Gragnano?

The last quake recorded within 30 km of Gragnano dates back to 6 October 2026, magnitude 1.1.

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)