Earthquake with magnitude of ML 1.9 on date 13-03-2023 and time 22:40:53 (UTC) in region Campi Flegrei

A magnitude ML 1.9 earthquake occured in region: Campi Flegrei, on

  • 13-03-2023 22:40:53 (UTC)
  • 13-03-2023 23:40:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8310, 14.1580 at 2 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
Quarto NA 6 40930 40930
Pozzuoli NA 6 81661 122591
Bacoli NA 8 26560 149151
Napoli NA 8 974074 1123225
Marano di Napoli NA 8 59874 1183099
Calvizzano NA 9 12329 1195428
Monte di Procida NA 10 12886 1208314
Mugnano di Napoli NA 10 34828 1243142
Qualiano NA 10 25702 1268844
Villaricca NA 11 31122 1299966
Giugliano in Campania NA 12 122974 1422940
Melito di Napoli NA 12 37826 1460766
Casavatore NA 13 18661 1479427
Arzano NA 13 34886 1514313
Procida NA 13 10530 1524843
Sant'Antimo NA 13 33905 1558748
Casoria NA 14 77642 1636390
Parete CE 14 11442 1647832
Casandrino NA 14 14336 1662168
Grumo Nevano NA 15 18061 1680229
San Giorgio a Cremano NA 15 45557 1725786
Frattamaggiore NA 16 30329 1756115
Lusciano CE 16 15362 1771477
Cesa CE 16 8841 1780318
Ercolano NA 16 53709 1834027
Sant'Arpino CE 16 14307 1848334
Trentola-Ducenta CE 16 19429 1867763
Afragola NA 17 65057 1932820
Aversa CE 17 53047 1985867
Portici NA 17 55274 2041141
Volla NA 17 23755 2064896
Frattaminore NA 17 16208 2081104
Succivo CE 17 8457 2089561
Cercola NA 17 18267 2107828
Cardito NA 17 22755 2130583
Crispano NA 17 12354 2142937
San Marcellino CE 18 14155 2157092
Casapesenna CE 18 6987 2164079
Orta di Atella CE 18 27191 2191270
Gricignano di Aversa CE 18 11881 2203151
San Sebastiano al Vesuvio NA 18 9196 2212347
Torre del Greco NA 18 86275 2298622
Carinaro CE 18 7181 2305803
Frignano CE 19 9008 2314811
Caivano NA 19 37879 2352690
Massa di Somma NA 19 5444 2358134
Teverola CE 19 14291 2372425
Casalnuovo di Napoli NA 19 49855 2422280
Villa di Briano CE 19 7087 2429367
Pollena Trocchia NA 19 13562 2442929
San Cipriano d'Aversa CE 19 13653 2456582
Casaluce CE 19 10078 2466660
Casal di Principe CE 20 21389 2488049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of Pozzuoli (81661 inhabitants)
8 Km W of Napoli (974074 inhabitants)
8 Km SW of Marano di Napoli (59874 inhabitants)
12 Km SW of Giugliano in Campania (122974 inhabitants)
14 Km SW of Casoria (77642 inhabitants)
16 Km W of Ercolano (53709 inhabitants)
17 Km SW of Afragola (65057 inhabitants)
17 Km S of Aversa (53047 inhabitants)
17 Km W of Portici (55274 inhabitants)
18 Km W of Torre del Greco (86275 inhabitants)
22 Km SW of Acerra (59573 inhabitants)
31 Km SW of Caserta (76326 inhabitants)
31 Km NW of Castellammare di Stabia (66466 inhabitants)
32 Km W of Scafati (50787 inhabitants)
48 Km W of Cava de' Tirreni (53659 inhabitants)
53 Km W of Salerno (135261 inhabitants)
55 Km W of Avellino (54857 inhabitants)
62 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
Bulletin
Rev1000
ML 1.9 2023-03-13
22:40:53
40.8307 14.1582 2 2024-03-01
17:18:18
Bollettino Sismico Italiano INGV 123539421
Reviewed
Rev200
Md 2.8 2023-03-13
22:40:53
40.8347 14.1402 3 2023-11-28
17:15:08
Sala Operativa INGV-OV (Napoli) 115337251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-13 22:40:53 ± 0.19
Latitude 40.8307 ± 0.0018
Longitude 14.1582 ± 0.0024
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 123539421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 210
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 123539421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 17:14:43

Md:2.8

Field Value
Value 2.8
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 115337251
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-03-13 23:09:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.VARN.HHZ. 2023-03-13T22:42:02.51 3.0 negative manual Pn 3.16 0
IV.SNTG.HHZ. 2023-03-13T22:41:51.02 3.0 undecidable manual Sn -2.08 0
1J.FX13.HHZ. 2023-03-13T22:41:40.03 3.0 undecidable manual Pg 6.29 0
IV.IMOL.HNZ. 2023-03-13T22:41:38.42 3.0 negative manual Pn -3.1 0
IV.MURB.HHZ. 2023-03-13T22:41:22.84 3.0 undecidable manual Pn -2.03 0
IV.SGG.HHE. 2023-03-13T22:41:05.51 0.6 undecidable manual P 64.3911 -7.88 0
IV.VENT.EHZ. 2023-03-13T22:41:05.33 0.6 undecidable manual P 61.9935 -7.49 0
IV.VAGA.HHZ. 2023-03-13T22:41:05.44 0.3 undecidable manual P 65.1903 -8.14 0
IV.PIGN.HHZ. 2023-03-13T22:41:01.20 0.1 undecidable manual P 41.0256 -9.99 0
IV.LRP.EHZ. 2023-03-13T22:41:01.74 3.0 undecidable manual Pn -0.4 0
IV.IMTC.HHZ. 2023-03-13T22:41:00.42 0.3 undecidable manual P 243 26.6511 50 -5.59 0
IV.VBKN.HHZ. 2023-03-13T22:40:59.01 0.1 undecidable manual P 90 22.8549 94 -6.94 0
IV.ICVJ.EHE. 2023-03-13T22:40:59.40 0.3 undecidable manual P 246 24.0537 94 -7.24 0
IV.VCRE.HHZ. 2023-03-13T22:40:59.39 0.3 undecidable manual P 93 22.9548 94 -6.64 0
IV.VBKE.HNE. 2023-03-13T22:40:59.09 0.1 undecidable manual P 93 23.5542 94 -7.27 0
IV.SORR.HNE. 2023-03-13T22:40:59.54 0.3 undecidable manual P 31.3464 -8.34 0
IV.VTIR.HHZ. 2023-03-13T22:40:58.95 0.3 undecidable manual P 97 22.4553 94 -6.83 0
IV.OVO.HHE. 2023-03-13T22:40:58.50 0.1 undecidable manual P 91 20.0688 95 -5.94 0
IV.CRTO.HHE. 2023-03-13T22:40:58.91 0.3 undecidable manual P 93 22.1556 94 -6.71 0
IV.VVDG.HHE. 2023-03-13T22:40:58.93 0.3 undecidable manual P 88 22.2555 94 -6.74 0
IV.VEPO.HHE. 2023-03-13T22:40:58.14 0.3 undecidable manual P 100 15.2736 96 -3.72 0
IV.VPOB.HHE. 2023-03-13T22:40:58.52 0.1 undecidable manual P 83 19.0698 95 -5.39 0
IV.PTMR.HNN. 2023-03-13T22:40:57.72 0.1 undecidable manual P 233 12.876 97 -2.87 0
IV.CMSN.HHZ. 2023-03-13T22:40:56.40 0.3 undecidable manual S 67 2.1978 126 0.25 72
IV.CMIS.HHZ. 2023-03-13T22:40:56.76 0.3 undecidable manual P 225 8.1807 101 -1.34 0
IV.CBAG.HHE. 2023-03-13T22:40:56.60 0.6 undecidable manual S 147 2.4975 122 0.15 49
IV.CSFT.HHZ. 2023-03-13T22:40:55.50 0.3 undecidable manual S 264 1.5984 136 -0.21 72
IV.CNIS.HNN. 2023-03-13T22:40:55.52 0.1 undecidable manual P 173 3.5964 114 -0.18 87
IV.COLB.HNZ. 2023-03-13T22:40:55.70 0.6 undecidable manual S 221 1.6983 133 -0.11 49
IV.CBAG.HHE. 2023-03-13T22:40:55.35 0.1 undecidable manual P 147 2.4975 122 0.17 97
IX.NAPI.HNZ. 2023-03-13T22:40:55.40 0.3 undecidable manual S 60 2.0979 127 -0.71 62
IV.CAAM.HHZ. 2023-03-13T22:40:55.20 0.6 undecidable manual S 229 1.7982 132 -0.66 43
IV.CFMN.HNZ. 2023-03-13T22:40:55.45 0.1 undecidable manual P 273 5.6943 106 -1.31 2
IV.CSTH.EHZ. 2023-03-13T22:40:55.50 0.6 undecidable manual S 260 0.6993 155 0.24 48
IV.CFB3.HHZ. 2023-03-13T22:40:55.22 0.1 undecidable manual P 220 3.1968 117 -0.25 95
IV.CBAC.HNE. 2023-03-13T22:40:55.70 0.1 undecidable manual P 251 6.8931 103 -1.67 0
IV.CSOB.HHE. 2023-03-13T22:40:55.70 0.6 undecidable manual S 249 1.2987 141 0.18 49
IV.CMSN.HHZ. 2023-03-13T22:40:55.44 0.1 undecidable manual P 67 2.1978 126 0.42 92
IV.CSOB.HHE. 2023-03-13T22:40:54.87 0.1 undecidable manual P 249 1.2987 141 0.2 97
IV.COLB.HNZ. 2023-03-13T22:40:54.88 0.1 undecidable manual P 221 1.6983 133 0.05 100
IX.NAPI.HNZ. 2023-03-13T22:40:54.45 0.3 undecidable manual P 60 2.0979 127 -0.54 67
IV.CSTH.EHZ. 2023-03-13T22:40:54.86 0.1 undecidable manual P 260 0.6993 155 0.34 94
IV.CAAM.HHZ. 2023-03-13T22:40:54.89 0.1 undecidable manual P 229 1.7982 132 0.03 100
IV.CSFT.HHZ. 2023-03-13T22:40:54.84 0.3 undecidable manual P 264 1.5984 136 0.08 74
OT.OT17.EHZ. 2023-03-13T22:40:50.88 3.0 undecidable manual P -5.3 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VTIR.HHN. ML:1.8 0.0004445 1.72 AML other m 2023-03-13T22:41:11.00
IV.PIGN.HNE. ML:1.7 0.000184 0.62 AML other m 2023-03-13T22:41:14.26
IV.PIGN.HHE. ML:1.8 0.00020750000000000003 0.58 AML other m 2023-03-13T22:41:14.27
IV.PIGN.HNN. ML:1.5 0.00012045 0.64 AML other m 2023-03-13T22:41:14.12
IV.VCRE.HHN. ML:2.4 0.001643981 0.4224 AML other m 2023-03-13T22:41:15.74
IV.PIGN.HHN. ML:1.6 0.00013700000000000002 0.48 AML other m 2023-03-13T22:41:15.61
IV.VBKN.HHE. ML:2.4 0.0019859219999999998 0.6656 AML other m 2023-03-13T22:41:16.26
IV.VCRE.HHE. ML:2.4 0.0016993960000000002 0.8576 AML other m 2023-03-13T22:41:23.23
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