Earthquake with magnitude of Md 2.1 on date 14-08-2023 and time 05:18:50 (Italy) in region Campi Flegrei

A magnitude Md 2.1 earthquake occured in region: Campi Flegrei, on

  • 14-08-2023 03:18:50 (UTC)
  • 14-08-2023 05:18:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8010, 14.1490 at 4 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 6 26560 26560
Pozzuoli NA 7 81661 108221
Monte di Procida NA 8 12886 121107
Quarto NA 9 40930 162037
Napoli NA 10 974074 1136111
Procida NA 11 10530 1146641
Marano di Napoli NA 12 59874 1206515
Calvizzano NA 13 12329 1218844
Mugnano di Napoli NA 13 34828 1253672
Qualiano NA 13 25702 1279374
Villaricca NA 14 31122 1310496
Giugliano in Campania NA 15 122974 1433470
Casavatore NA 15 18661 1452131
Melito di Napoli NA 16 37826 1489957
San Giorgio a Cremano NA 16 45557 1535514
Arzano NA 16 34886 1570400
Ercolano NA 17 53709 1624109
Sant'Antimo NA 17 33905 1658014
Casoria NA 17 77642 1735656
Casandrino NA 17 14336 1749992
Parete CE 18 11442 1761434
Portici NA 18 55274 1816708
Grumo Nevano NA 18 18061 1834769
Torre del Greco NA 18 86275 1921044
Ischia NA 19 19915 1940959
Volla NA 19 23755 1964714
Frattamaggiore NA 19 30329 1995043
Cercola NA 19 18267 2013310
Afragola NA 19 65057 2078367
Lusciano CE 19 15362 2093729
San Sebastiano al Vesuvio NA 19 9196 2102925
Cesa CE 19 8841 2111766
Sant'Arpino CE 20 14307 2126073
Trentola-Ducenta CE 20 19429 2145502
Aversa CE 20 53047 2198549
Massa di Somma NA 20 5444 2203993

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of Pozzuoli (81661 inhabitants)
10 Km W of Napoli (974074 inhabitants)
12 Km SW of Marano di Napoli (59874 inhabitants)
15 Km S of Giugliano in Campania (122974 inhabitants)
17 Km W of Ercolano (53709 inhabitants)
17 Km SW of Casoria (77642 inhabitants)
18 Km W of Portici (55274 inhabitants)
18 Km W of Torre del Greco (86275 inhabitants)
19 Km SW of Afragola (65057 inhabitants)
20 Km S of Aversa (53047 inhabitants)
25 Km SW of Acerra (59573 inhabitants)
30 Km W of Castellammare di Stabia (66466 inhabitants)
32 Km W of Scafati (50787 inhabitants)
34 Km SW of Caserta (76326 inhabitants)
48 Km W of Cava de' Tirreni (53659 inhabitants)
53 Km W of Salerno (135261 inhabitants)
56 Km W of Avellino (54857 inhabitants)
65 Km SW of Benevento (60091 inhabitants)
74 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 2.1 2023-08-14
03:18:50
40.8007 14.1493 4 2023-08-14
03:38:05
Sala Operativa INGV-OV (Napoli) 120104841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 03:18:50
Latitude 40.8007
Longitude 14.1493
Depth (km) 4 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV#SiSmi
Event type earthquake
Origin ID 120104841

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) 100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
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) 0.04
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:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 120104841
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-08-14 03:38:05
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