Earthquake with magnitude of ML 2.1 on date 05-02-2023 and time 00:45:34 (UTC) in region Campi Flegrei

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

  • 05-02-2023 00:45:34 (UTC)
  • 05-02-2023 01:45:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8040, 14.1060 at 4 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
Bacoli NA 2 26560 26560
Monte di Procida NA 4 12886 39446
Pozzuoli NA 5 81661 121107
Procida NA 8 10530 131637
Quarto NA 9 40930 172567
Marano di Napoli NA 13 59874 232441
Napoli NA 13 974074 1206515
Qualiano NA 14 25702 1232217
Calvizzano NA 14 12329 1244546
Mugnano di Napoli NA 15 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
Casamicciola Terme NA 18 8362 1499573
Parete CE 18 11442 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
Casoria NA 19 77642 1691075
Casandrino NA 19 14336 1705411
San Giorgio a Cremano NA 20 45557 1750968
Grumo Nevano NA 20 18061 1769029
Lusciano CE 20 15362 1784391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 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 W of Ercolano (53709 inhabitants)
21 Km SW of Aversa (53047 inhabitants)
21 Km W of Portici (55274 inhabitants)
22 Km SW of Afragola (65057 inhabitants)
22 Km W of Torre del Greco (86275 inhabitants)
28 Km SW of Acerra (59573 inhabitants)
34 Km W of Castellammare di Stabia (66466 inhabitants)
36 Km SW of Caserta (76326 inhabitants)
36 Km W of Scafati (50787 inhabitants)
52 Km W of Cava de' Tirreni (53659 inhabitants)
57 Km W of Salerno (135261 inhabitants)
59 Km W of Avellino (54857 inhabitants)
68 Km SW of Benevento (60091 inhabitants)
77 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 2.1 2023-02-05
00:45:34
40.8037 14.1057 4 2024-03-01
17:18:14
Bollettino Sismico Italiano INGV 120361221
Reviewed
Rev200
Md 3.0 2023-02-05
00:45:36
40.8002 14.1102 5 2023-02-05
01:19:47
Sala Operativa INGV-OV (Napoli) 114063411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-05 00:45:34 ± 0.27
Latitude 40.8037 ± 0.0036
Longitude 14.1057 ± 0.0036
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120361221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 362
Semi-minor axis of confidence ellipse (meter) 112
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) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.74554
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 120361221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-05 10:09:52

Md:3.0

Field Value
Value 3.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 114063411
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-02-05 01:19:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HNZ. 2023-02-05T00:45:52.28 0.3 undecidable manual P 82.7505 -5.58 0
IV.MRB1.HNZ. 2023-02-05T00:45:52.31 0.6 undecidable manual P 64 80.4639 38 -5 0
IV.MCI.EHZ. 2023-02-05T00:45:51.42 0.3 undecidable manual P 80.0643 -5.8 0
5H.FR02.EHZ. 2023-02-05T00:45:51.81 0.6 undecidable manual P 81.9513 -5.84 0
IV.VENT.EHE. 2023-02-05T00:45:47.70 0.6 undecidable manual P 269 57.498 38 -4.18 0
IV.PAOL.HHN. 2023-02-05T00:45:45.69 0.3 undecidable manual P 46.2204 -8.68 0
IV.PIGN.HHZ. 2023-02-05T00:45:44.84 0.3 undecidable manual P 44.4222 -8.81 0
IV.VTRZ.HHE. 2023-02-05T00:45:42.94 0.6 undecidable manual P 31.0467 -5.35 0
IV.VBKE.HNE. 2023-02-05T00:45:42.53 0.6 undecidable manual P 86 28.0497 50 -4.55 0
IV.VVDG.HHE. 2023-02-05T00:45:42.03 0.3 undecidable manual P 82 26.9508 50 -4.62 0
IV.VCRE.HHZ. 2023-02-05T00:45:42.39 0.6 undecidable manual P 86 27.4503 50 -4.44 0
IV.VTIR.HHZ. 2023-02-05T00:45:41.94 0.3 undecidable manual P 89 26.751 50 -4.63 0
IV.IMTC.HHZ. 2023-02-05T00:45:41.30 0.3 undecidable manual P 21.3675 -5.39 0
IV.VPOB.HHZ. 2023-02-05T00:45:41.54 0.1 undecidable manual P 77 23.9538 50 -3.9 0
IV.VEPO.HHZ. 2023-02-05T00:45:41.21 0.3 undecidable manual P 89 19.3695 101 -4.44 0
IV.IFOR.HHN. 2023-02-05T00:45:41.79 0.3 undecidable manual P 244 23.3544 50 -3.43 0
IV.OVO.HHZ. 2023-02-05T00:45:41.68 0.6 undecidable manual P 84 24.5532 50 -4.02 0
IV.CSFT.HHZ. 2023-02-05T00:45:41.00 0.3 undecidable manual S 45 3.996 133 0.72 63
IV.SORR.HNN. 2023-02-05T00:45:41.89 0.3 undecidable manual P 31.2465 -6.48 0
IV.CNIS.HNN. 2023-02-05T00:45:40.94 0.6 undecidable manual S 97 4.8951 128 0.04 50
IV.ICVJ.EHN. 2023-02-05T00:45:40.51 0.3 undecidable manual P 249 18.87 101 -4.86 0
IV.IBCM.EHE. 2023-02-05T00:45:40.89 0.3 undecidable manual P 237 18.9699 101 -4.51 0
IV.IOCA.HHZ. 2023-02-05T00:45:40.51 0.3 undecidable manual P 250 18.2706 102 -4.53 0
IV.COLB.HHZ. 2023-02-05T00:45:39.30 0.6 undecidable manual S 62 3.6963 136 -0.76 41
IV.CBAC.HHN. 2023-02-05T00:45:39.10 0.6 undecidable manual S 291 2.2977 149 -0.11 50
IV.CFMN.HNZ. 2023-02-05T00:45:39.30 0.3 undecidable manual S 339 3.4965 137 -0.63 65
IV.CSTH.HNE. 2023-02-05T00:45:39.42 0.6 undecidable manual S 52 4.6953 129 -1.32 31
IV.CFB3.HHZ. 2023-02-05T00:45:39.70 0.3 undecidable manual S 76 2.3976 147 0.4 70
IV.CSFT.HHZ. 2023-02-05T00:45:38.06 0.1 undecidable manual P 45 3.996 133 0.12 99
IV.CNIS.HNN. 2023-02-05T00:45:38.14 0.1 undecidable manual P 97 4.8951 128 -0.15 98
IV.CMSN.HHZ. 2023-02-05T00:45:38.63 0.3 undecidable manual P 59 7.4814 117 -0.84 30
IV.CSTH.HNE. 2023-02-05T00:45:38.13 0.1 undecidable manual P 52 4.6953 129 -0.07 100
IV.CMIS.HHZ. 2023-02-05T00:45:38.92 0.6 undecidable manual S 206 3.0969 141 -0.78 41
IV.CFMN.HNZ. 2023-02-05T00:45:38.03 0.1 undecidable manual P 339 3.4965 137 0.29 95
IV.PTMR.HHN. 2023-02-05T00:45:38.82 0.1 undecidable manual P 232 7.5813 117 -0.7 40
IV.CSOB.HNZ. 2023-02-05T00:45:38.10 0.1 undecidable manual P 52 4.0959 133 0.13 99
IX.NAPI.HNN.01 2023-02-05T00:45:38.64 0.1 undecidable manual P 57 7.4814 117 -0.82 41
IV.CBAC.HHN. 2023-02-05T00:45:37.85 0.1 undecidable manual P 291 2.2977 149 0.51 91
IV.CMIS.HHZ. 2023-02-05T00:45:37.86 0.1 positive manual P 206 3.0969 141 0.25 96
IV.CFB3.HHZ. 2023-02-05T00:45:37.89 0.1 undecidable manual P 76 2.3976 147 0.5 91
IV.COLB.HHZ. 2023-02-05T00:45:37.97 0.1 undecidable manual P 62 3.6963 136 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VTIR.HHE. ML:2.5 0.0016997140000000002 0.22 AML other m 2023-02-05T00:45:50.00
IV.PIGN.HNE. ML:2.0 0.00029196444999999996 0.46 AML other m 2023-02-05T00:45:53.37
IV.VTIR.HHN. ML:2.2 0.0010187403 0.18 AML other m 2023-02-05T00:45:54.09
IV.PIGN.HHE. ML:2.0 0.0002918514 0.48 AML other m 2023-02-05T00:45:54.57
IV.MCI.EHE. ML:2.5 0.00041349999999999997 0.3 AML other m 2023-02-05T00:45:54.78
IV.PIGN.HNN. ML:2.0 0.00027605255 0.53 AML other m 2023-02-05T00:45:57.78
IV.PIGN.HHN. ML:2.0 0.000277 1.44 AML other m 2023-02-05T00:45:58.77
IV.MCI.EHN. ML:2.4 0.0003101607 0.5 AML other m 2023-02-05T00:45:58.32
IV.LRP.EHE. ML:2.0 0.00009644775 0.56 AML other m 2023-02-05T00:46:04.38
IV.LRP.EHN. ML:1.8 0.00005574999999999999 1.3 AML other m 2023-02-05T00:46:14.22
IV.MGR.HHE. ML:2.1 0.00006854066000000001 0.86 AML other m 2023-02-05T00:46:24.89
IV.MGR.HHN. ML:2.1 0.00006791201 0.9 AML other m 2023-02-05T00:46:30.11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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