Earthquake with magnitude of Md 2.1 on date 19-01-2023 and time 09:44:29 (Italy) in region Campi Flegrei

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

  • 19-01-2023 08:44:29 (UTC)
  • 19-01-2023 09:44:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8150, 14.1280 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
Bacoli NA 5 26560 26560
Pozzuoli NA 5 81661 108221
Monte di Procida NA 7 12886 121107
Quarto NA 7 40930 162037
Procida NA 10 10530 172567
Napoli NA 11 974074 1146641
Marano di Napoli NA 11 59874 1206515
Calvizzano NA 12 12329 1218844
Qualiano NA 12 25702 1244546
Mugnano di Napoli NA 13 34828 1279374
Villaricca NA 13 31122 1310496
Giugliano in Campania NA 14 122974 1433470
Melito di Napoli NA 15 37826 1471296
Casavatore NA 16 18661 1489957
Arzano NA 16 34886 1524843
Sant'Antimo NA 16 33905 1558748
Parete CE 16 11442 1570190
Casandrino NA 17 14336 1584526
Casoria NA 17 77642 1662168
San Giorgio a Cremano NA 18 45557 1707725
Ischia NA 18 19915 1727640
Grumo Nevano NA 18 18061 1745701
Lusciano CE 18 15362 1761063
Trentola-Ducenta CE 18 19429 1780492
Ercolano NA 18 53709 1834201
Cesa CE 19 8841 1843042
Frattamaggiore NA 19 30329 1873371
Aversa CE 19 53047 1926418
Portici NA 19 55274 1981692
Sant'Arpino CE 19 14307 1995999
Casapesenna CE 20 6987 2002986
Afragola NA 20 65057 2068043
San Marcellino CE 20 14155 2082198
Volla NA 20 23755 2105953
Succivo CE 20 8457 2114410
Frattaminore NA 20 16208 2130618
Casamicciola Terme NA 20 8362 2138980

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km SE of Pozzuoli (81661 inhabitants)
11 Km W of Napoli (974074 inhabitants)
11 Km SW of Marano di Napoli (59874 inhabitants)
14 Km SW of Giugliano in Campania (122974 inhabitants)
17 Km SW of Casoria (77642 inhabitants)
18 Km W of Ercolano (53709 inhabitants)
19 Km SW of Aversa (53047 inhabitants)
19 Km W of Portici (55274 inhabitants)
20 Km SW of Afragola (65057 inhabitants)
20 Km W of Torre del Greco (86275 inhabitants)
25 Km SW of Acerra (59573 inhabitants)
33 Km W of Castellammare di Stabia (66466 inhabitants)
34 Km SW of Caserta (76326 inhabitants)
34 Km W of Scafati (50787 inhabitants)
50 Km W of Cava de' Tirreni (53659 inhabitants)
55 Km W of Salerno (135261 inhabitants)
57 Km W of Avellino (54857 inhabitants)
65 Km SW of Benevento (60091 inhabitants)
76 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 2.1 2023-01-19
08:44:29
40.8148 14.1283 2 2024-03-01
17:17:55
Bollettino Sismico Italiano INGV 114587461
Reviewed
Rev200
Md 2.5 2023-01-19
08:44:30
40.829 14.1357 3 2023-08-07
15:35:37
Sala Operativa INGV-OV (Napoli) 113675061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-19 08:44:29 ± 0.33
Latitude 40.8148 ± 0.0045
Longitude 14.1283 ± 0.0048
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114587461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00719
Epicentral distance of station farthest from the epicenter (degree) 0.08903
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 113675061
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-01-19 09:02:01

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude Md
Reference to an origin 114587461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-07 15:35:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTMR.HHN. 2023-01-19T08:44:33.92 0.3 undecidable manual P 233 9.879 104 -0.94 59
IV.CMIS.HHZ. 2023-01-19T08:44:33.12 0.3 undecidable manual P 219 5.2947 115 0.61 68
IV.CBAC.HHN. 2023-01-19T08:44:33.77 0.6 undecidable manual S 264 3.996 121 -0.15 51
IV.CMSN.HHZ. 2023-01-19T08:44:33.51 0.6 undecidable manual S 60 5.1948 115 -1.37 32
IV.CNIS.HNN. 2023-01-19T08:44:33.65 0.6 undecidable manual S 122 3.4965 125 0.2 51
IV.CNIS.HNN. 2023-01-19T08:44:32.10 0.1 negative manual P 122 3.4965 125 0.43 97
IV.COLB.HHZ. 2023-01-19T08:44:32.36 0.6 undecidable manual S 72 1.3986 149 0.27 50
IV.CSOB.HNZ. 2023-01-19T08:44:32.15 0.6 undecidable manual S 46 1.7982 143 -0.15 51
IV.CSFT.HHN. 2023-01-19T08:44:32.04 0.6 undecidable manual S 31 1.7982 143 -0.27 50
IV.CSTH.HNE. 2023-01-19T08:44:32.25 0.6 undecidable manual S 48 2.3976 136 -0.4 49
IV.CMSN.HHZ. 2023-01-19T08:44:32.11 0.1 undecidable manual P 60 5.1948 115 -0.36 98
IV.CBAC.HHN. 2023-01-19T08:44:32.22 0.3 undecidable manual P 264 3.996 121 0.29 75
IV.CFB1.HHZ. 2023-01-19T08:44:32.36 0.6 undecidable manual S 229 0.7992 162 0.52 47
IV.COLB.HHZ. 2023-01-19T08:44:31.48 0.1 negative manual P 72 1.3986 149 0.58 93
IV.CFB2.HHZ. 2023-01-19T08:44:31.69 0.6 undecidable manual S 159 1.2987 152 -0.33 50
IV.CSTH.HNE. 2023-01-19T08:44:31.50 0.1 negative manual P 48 2.3976 136 0.28 100
IV.CSFT.HHN. 2023-01-19T08:44:31.42 0.1 negative manual P 31 1.7982 143 0.4 98
IV.CSOB.HNZ. 2023-01-19T08:44:31.49 0.1 negative manual P 46 1.7982 143 0.47 96
IV.CFB1.HHZ. 2023-01-19T08:44:30.27 0.1 positive manual P 229 0.7992 162 -0.49 96
IV.CFB2.HHZ. 2023-01-19T08:44:29.94 0.1 undecidable manual P 159 1.2987 152 -0.92 80
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