Earthquake with magnitude of Md 1.4 on date 14-04-2023 and time 03:43:23 (UTC) in region Campi Flegrei

A magnitude Md 1.4 earthquake occured in region: Campi Flegrei, on

  • 14-04-2023 03:43:23 (UTC)
  • 14-04-2023 05:43:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8160, 14.1580 at 3 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Pozzuoli NA 7 81661 81661
Bacoli NA 7 26560 108221
Quarto NA 7 40930 149151
Napoli NA 8 974074 1123225
Monte di Procida NA 9 12886 1136111
Marano di Napoli NA 10 59874 1195985
Calvizzano NA 11 12329 1208314
Mugnano di Napoli NA 11 34828 1243142
Qualiano NA 12 25702 1268844
Villaricca NA 12 31122 1299966
Procida NA 13 10530 1310496
Giugliano in Campania NA 13 122974 1433470
Melito di Napoli NA 14 37826 1471296
Casavatore NA 14 18661 1489957
Arzano NA 14 34886 1524843
Sant'Antimo NA 15 33905 1558748
San Giorgio a Cremano NA 15 45557 1604305
Casoria NA 15 77642 1681947
Casandrino NA 16 14336 1696283
Parete CE 16 11442 1707725
Ercolano NA 16 53709 1761434
Grumo Nevano NA 16 18061 1779495
Portici NA 17 55274 1834769
Frattamaggiore NA 17 30329 1865098
Volla NA 17 23755 1888853
Lusciano CE 17 15362 1904215
Afragola NA 18 65057 1969272
Cesa CE 18 8841 1978113
Cercola NA 18 18267 1996380
Torre del Greco NA 18 86275 2082655
Sant'Arpino CE 18 14307 2096962
Trentola-Ducenta CE 18 19429 2116391
Aversa CE 18 53047 2169438
San Sebastiano al Vesuvio NA 18 9196 2178634
Frattaminore NA 18 16208 2194842
Succivo CE 19 8457 2203299
Cardito NA 19 22755 2226054
Crispano NA 19 12354 2238408
Massa di Somma NA 19 5444 2243852
San Marcellino CE 19 14155 2258007
Pollena Trocchia NA 19 13562 2271569
Orta di Atella CE 19 27191 2298760
Casapesenna CE 19 6987 2305747
Gricignano di Aversa CE 20 11881 2317628
Casalnuovo di Napoli NA 20 49855 2367483
Caivano NA 20 37879 2405362
Carinaro CE 20 7181 2412543
Ischia NA 20 19915 2432458
Frignano CE 20 9008 2441466

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of Pozzuoli (81661 inhabitants)
8 Km W of Napoli (974074 inhabitants)
10 Km S of Marano di Napoli (59874 inhabitants)
13 Km S of Giugliano in Campania (122974 inhabitants)
15 Km SW of Casoria (77642 inhabitants)
16 Km W of Ercolano (53709 inhabitants)
17 Km W of Portici (55274 inhabitants)
18 Km SW of Afragola (65057 inhabitants)
18 Km W of Torre del Greco (86275 inhabitants)
18 Km S of Aversa (53047 inhabitants)
23 Km SW of Acerra (59573 inhabitants)
30 Km W of Castellammare di Stabia (66466 inhabitants)
32 Km W of Scafati (50787 inhabitants)
32 Km SW of Caserta (76326 inhabitants)
48 Km W of Cava de' Tirreni (53659 inhabitants)
53 Km W of Salerno (135261 inhabitants)
55 Km W of Avellino (54857 inhabitants)
63 Km SW of Benevento (60091 inhabitants)
73 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
Bulletin
Rev1000
Md 1.4 2023-04-14
03:43:23
40.8163 14.1582 3 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124697501
Reviewed
Rev200
Md 1.2 2023-04-14
03:43:23
40.8135 14.158 3 2024-01-17
16:01:43
Sala Operativa INGV-OV (Napoli) 116367541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-14 03:43:23 ± 0.23
Latitude 40.8163 ± 0.0036
Longitude 14.1582 ± 0.0036
Depth (km) 3 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124697501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 394
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.05936
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 116367541
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-04-14 04:00:29

Md:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 11
Type of magnitude Md
Reference to an origin 124697501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-17 16:01:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.PUK.HHZ. 2023-04-14T03:45:07.97 3.0 undecidable manual Sg 10.11 0
IV.HPAC.HHZ. 2023-04-14T03:45:02.15 3.0 undecidable manual Sg 5.52 0
GU.GENL.EHN. 2023-04-14T03:45:01.15 3.0 negative manual Pg 19.549999 0
IV.BLLA.EHZ. 2023-04-14T03:44:59.74 3.0 undecidable manual Sn -6.73 0
ST.VARA.EHE. 2023-04-14T03:44:56.23 3.0 undecidable manual Pg 12.79 0
IV.ZEN8.EHZ. 2023-04-14T03:44:55.27 3.0 undecidable manual Pg 13.11 0
IV.VMAN.HHZ. 2023-04-14T03:44:54.40 3.0 undecidable manual Pg 15.48 0
ZO.PDN2.EHZ. 2023-04-14T03:44:49.58 3.0 negative manual Pg 9.8 0
IV.CRTC.HHZ. 2023-04-14T03:44:46.32 3.0 undecidable manual Sn -8.6 0
IV.MILN.HHZ. 2023-04-14T03:44:45.01 3.0 negative manual Pn -4.61 0
IV.EL6.EHE. 2023-04-14T03:44:43.38 3.0 undecidable manual Sg -0.29 0
IV.NDIM.HHZ. 2023-04-14T03:44:43.64 3.0 negative manual Pg 10.78 0
IV.SENI.EHE. 2023-04-14T03:44:42.68 3.0 undecidable manual Sn -8.02 0
IV.CAVE.HHE. 2023-04-14T03:44:41.07 3.0 positive manual Pg 9.06 0
IV.MMUR.HNZ. 2023-04-14T03:44:40.33 3.0 undecidable manual Sn -6.65 0
IV.ECTS.HHN. 2023-04-14T03:44:32.02 3.0 undecidable manual Sg 4.05 0
IV.ROM9.HNZ. 2023-04-14T03:44:28.40 3.0 undecidable manual Sg 4.25 0
IV.FNVD.HHN. 2023-04-14T03:44:25.33 3.0 undecidable manual Pn 1.51 0
IV.AGLI.HHE. 2023-04-14T03:44:22.30 3.0 undecidable manual Pn 0.16 0
IV.BLLA.EHE. 2023-04-14T03:44:21.29 3.0 positive manual Pg 5.57 0
IV.FIR.HHN. 2023-04-14T03:44:20.42 3.0 undecidable manual Pn 1.47 0
IV.SENI.EHN. 2023-04-14T03:44:10.03 3.0 positive manual Pg 3.17 0
IV.MTGR.HHN. 2023-04-14T03:44:08.78 3.0 negative manual Pg 6.1 0
IY.CHCE.HHE.00 2023-04-14T03:44:06.36 3.0 undecidable manual Sn -7.25 0
IV.ARVD.HHZ. 2023-04-14T03:44:05.57 3.0 negative manual Pn -0.15 0
IV.EFIU.HHN. 2023-04-14T03:44:00.43 3.0 positive manual Pg 5.1 0
IV.RMP.HHN. 2023-04-14T03:43:51.13 3.0 negative manual Pg 0.95 0
IV.CET2.HHN. 2023-04-14T03:43:43.62 3.0 undecidable manual S -7.51 0
IV.VBKN.HHN. 2023-04-14T03:43:35.87 3.0 undecidable manual S -1.91 0
OT.OT17.EHZ. 2023-04-14T03:43:28.72 3.0 positive manual P -5.97 0
IV.SALB.HHZ. 2023-04-14T03:43:28.43 3.0 undecidable manual P -3.81 0
IV.CPOZ.HNZ. 2023-04-14T03:43:27.05 0.6 undecidable manual S 279 3.2967 130 -0.33 47
IV.CCAP.EHZ. 2023-04-14T03:43:27.04 0.6 undecidable manual S 111 3.0969 132 -0.17 49
IV.CFMN.HHZ. 2023-04-14T03:43:26.82 0.3 undecidable manual P 288 5.994 115 0.06 74
IV.CSOB.HNZ. 2023-04-14T03:43:26.26 0.6 undecidable manual S 313 1.5984 150 -0.06 50
IV.CSFT.HHZ. 2023-04-14T03:43:26.07 0.6 undecidable manual S 312 2.0979 143 -0.5 45
IV.CAAM.HHN. 2023-04-14T03:43:26.33 0.6 undecidable manual S 287 1.3986 153 0.11 49
IV.CBAC.HHN. 2023-04-14T03:43:26.66 0.3 undecidable manual P 265 6.5934 113 -0.38 69
IV.CNIS.HNN. 2023-04-14T03:43:26.48 0.6 undecidable manual S 168 2.0979 144 -0.07 50
IV.CAAM.HHN. 2023-04-14T03:43:25.12 0.1 undecidable manual P 287 1.3986 153 0.23 96
IV.CCAP.EHZ. 2023-04-14T03:43:25.49 0.1 undecidable manual P 111 3.0969 132 0.04 100
IV.CNIS.HNN. 2023-04-14T03:43:25.14 0.1 undecidable manual P 168 2.0979 144 0.06 100
IV.CFB3.HHZ. 2023-04-14T03:43:25.08 0.1 undecidable manual P 248 2.1978 142 -0.04 100
IV.CSTH.HNE. 2023-04-14T03:43:25.39 0.1 undecidable manual P 333 1.5984 150 0.44 92
IV.CSOB.HNZ. 2023-04-14T03:43:25.27 0.1 undecidable manual P 313 1.5984 150 0.32 94
IV.CSFT.HHZ. 2023-04-14T03:43:25.32 0.1 undecidable manual P 312 2.0979 143 0.23 96
IV.CPOZ.HNZ. 2023-04-14T03:43:25.46 0.1 positive manual P 279 3.2967 130 -0.08 99
IX.NAPI.HNZ.01 2023-04-14T03:43:24.80 0.3 undecidable manual P 35 3.1968 131 -0.69 63
IV.PAOL.HHE. 2023-04-14T03:43:23.31 3.0 undecidable manual P -3.3 0
IX.CSG3.HNZ.01 2023-04-14T03:43:17.87 3.0 undecidable manual S -7.23 0
IV.MCEL.HHE. 2023-04-14T03:43:16.32 3.0 undecidable manual P -4.54 0
IV.CDRU.HHN. 2023-04-14T03:43:09.43 3.0 undecidable manual P -2.28 0
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