Earthquake with magnitude of Md 2.4 on date 26-09-2023 and time 08:31:43 (Italy) in region Campi Flegrei

A magnitude Md 2.4 earthquake occured in region: Campi Flegrei, on

  • 26-09-2023 06:31:43 (UTC)
  • 26-09-2023 08:31:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8100, 14.1000 at 5 km depth.

The earthquake was located by: Sala Operativa INGV-OV (Napoli).

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bacoli NA 2 26560 26560
Monte di Procida NA 4 12886 39446
Pozzuoli NA 4 81661 121107
Procida NA 8 10530 131637
Quarto NA 9 40930 172567
Marano di Napoli NA 13 59874 232441
Qualiano NA 13 25702 258143
Napoli NA 13 974074 1232217
Calvizzano NA 13 12329 1244546
Mugnano di Napoli NA 14 34828 1279374
Villaricca NA 15 31122 1310496
Ischia NA 15 19915 1330411
Giugliano in Campania NA 16 122974 1453385
Melito di Napoli NA 17 37826 1491211
Parete CE 17 11442 1502653
Casamicciola Terme NA 18 8362 1511015
Casavatore NA 18 18661 1529676
Sant'Antimo NA 18 33905 1563581
Arzano NA 18 34886 1598467
Barano d'Ischia NA 19 10113 1608580
Lacco Ameno NA 19 4853 1613433
Casandrino NA 19 14336 1627769
Casoria NA 19 77642 1705411
Lusciano CE 20 15362 1720773
Trentola-Ducenta CE 20 19429 1740202
Grumo Nevano NA 20 18061 1758263
San Giorgio a Cremano NA 20 45557 1803820

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km S of Pozzuoli (81661 inhabitants)
13 Km SW of Marano di Napoli (59874 inhabitants)
13 Km W of Napoli (974074 inhabitants)
16 Km SW of Giugliano in Campania (122974 inhabitants)
19 Km SW of Casoria (77642 inhabitants)
20 Km SW of Aversa (53047 inhabitants)
21 Km W of Ercolano (53709 inhabitants)
22 Km W of Portici (55274 inhabitants)
22 Km SW of Afragola (65057 inhabitants)
23 Km W of Torre del Greco (86275 inhabitants)
28 Km SW of Acerra (59573 inhabitants)
35 Km W of Castellammare di Stabia (66466 inhabitants)
36 Km SW of Caserta (76326 inhabitants)
37 Km W of Scafati (50787 inhabitants)
53 Km W of Cava de' Tirreni (53659 inhabitants)
58 Km W of Salerno (135261 inhabitants)
60 Km W of Avellino (54857 inhabitants)
68 Km SW of Benevento (60091 inhabitants)
78 Km W of Battipaglia (50786 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
Md 2.4 2023-09-26
06:31:43
40.8102 14.0995 5 2023-09-26
06:52:01
Sala Operativa INGV-OV (Napoli) 121470911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-26 06:31:43
Latitude 40.8102
Longitude 14.0995
Depth (km) 5 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV#SiSmi
Event type earthquake
Origin ID 121470911

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 121470911
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-09-26 06:52:01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download