Earthquake with magnitude of Md 1.5 on date 21-01-2022 and time 15:30:14 (Italy) in region Campi Flegrei

A magnitude Md 1.5 earthquake occured in region: Campi Flegrei, on

  • 21-01-2022 14:30:14 (UTC)
  • 21-01-2022 15:30:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7960, 14.1380 at 1 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 7 81661 108221
Monte di Procida NA 7 12886 121107
Quarto NA 9 40930 162037
Procida NA 10 10530 172567
Napoli NA 11 974074 1146641
Marano di Napoli NA 12 59874 1206515
Calvizzano NA 13 12329 1218844
Qualiano NA 14 25702 1244546
Mugnano di Napoli NA 14 34828 1279374
Villaricca NA 15 31122 1310496
Giugliano in Campania NA 16 122974 1433470
Melito di Napoli NA 17 37826 1471296
Casavatore NA 17 18661 1489957
San Giorgio a Cremano NA 17 45557 1535514
Arzano NA 17 34886 1570400
Sant'Antimo NA 18 33905 1604305
Ischia NA 18 19915 1624220
Ercolano NA 18 53709 1677929
Casoria NA 18 77642 1755571
Parete CE 18 11442 1767013
Casandrino NA 18 14336 1781349
Portici NA 19 55274 1836623
Grumo Nevano NA 19 18061 1854684
Torre del Greco NA 19 86275 1940959
Frattamaggiore NA 20 30329 1971288
Lusciano CE 20 15362 1986650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SE of Pozzuoli (81661 inhabitants)
11 Km W of Napoli (974074 inhabitants)
12 Km SW of Marano di Napoli (59874 inhabitants)
16 Km SW of Giugliano in Campania (122974 inhabitants)
18 Km W of Ercolano (53709 inhabitants)
18 Km SW of Casoria (77642 inhabitants)
19 Km W of Portici (55274 inhabitants)
19 Km W of Torre del Greco (86275 inhabitants)
20 Km SW of Afragola (65057 inhabitants)
21 Km S of Aversa (53047 inhabitants)
26 Km SW of Acerra (59573 inhabitants)
31 Km W of Castellammare di Stabia (66466 inhabitants)
33 Km W of Scafati (50787 inhabitants)
35 Km SW of Caserta (76326 inhabitants)
49 Km W of Cava de' Tirreni (53659 inhabitants)
54 Km W of Salerno (135261 inhabitants)
57 Km W of Avellino (54857 inhabitants)
66 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
Md 1.5 2022-01-21
14:30:14
40.7958 14.1378 1 2022-07-08
12:33:43
Bollettino Sismico Italiano INGV 103164831
Reviewed
Rev200
Md 1.3 2022-01-21
14:30:15
40.8102 14.1388 3 2022-04-13
14:17:27
Sala Operativa INGV-OV (Napoli) 100013431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-21 14:30:14 ± 0.3
Latitude 40.7958 ± 0.0045
Longitude 14.1378 ± 0.0059
Depth (km) 1 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103164831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 558
Semi-minor axis of confidence ellipse (meter) 392
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.05126
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 9
Type of magnitude Md
Reference to an origin 103164831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-13 14:17:07

Md:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 100013431
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2022-01-21 14:44:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2022-01-21T14:31:51.28 3.0 undecidable manual Sg 2.02 0
IV.HLNI.HHZ. 2022-01-21T14:31:46.08 3.0 undecidable manual Sg 6.42 0
IV.FOSV.EHZ. 2022-01-21T14:31:42.91 3.0 undecidable manual Sg 4.49 0
IV.TREG.EHZ. 2022-01-21T14:31:33.94 3.0 negative manual Pn 0.7 0
IV.BDI.HHZ. 2022-01-21T14:31:33.19 3.0 negative manual Pg 12.95 0
IV.MTGR.HHZ. 2022-01-21T14:31:04.16 3.0 negative manual Pg 6.11 0
IV.HLNI.HHZ. 2022-01-21T14:30:59.02 3.0 negative manual Pn -0.55 0
IV.PP3.EHZ. 2022-01-21T14:30:58.72 3.0 negative manual Pg 2.22 0
IV.SSFR.HHZ. 2022-01-21T14:30:54.56 3.0 positive manual Pn -5.91 0
IV.TDS.HHZ. 2022-01-21T14:30:50.95 3.0 undecidable manual S -6.94 0
IV.IFIL.HHZ. 2022-01-21T14:30:41.43 3.0 negative manual Pg -1.57 0
IV.CMIS.HHZ. 2022-01-21T14:30:18.71 0.6 undecidable manual S 244 4.4955 107 -0.7 42
IV.CSOB.HHZ. 2022-01-21T14:30:18.19 0.6 undecidable manual S 9 3.3966 112 -0.21 48
IV.CSTH.HHE. 2022-01-21T14:30:18.11 0.6 undecidable manual S 15 3.8961 110 -0.66 43
IV.CSFT.HHZ. 2022-01-21T14:30:18.16 0.6 undecidable manual S 2 3.6963 111 -0.48 46
IV.CPOZ.HHZ. 2022-01-21T14:30:18.38 0.6 undecidable manual S 331 3.1968 114 0.18 49
IV.CBAC.EHE. 2022-01-21T14:30:17.63 0.1 undecidable manual P 289 5.0949 106 -0.05 100
IV.CMIS.HHZ. 2022-01-21T14:30:17.35 0.3 undecidable manual P 244 4.4955 107 -0.05 75
IV.CPIS.HHZ. 2022-01-21T14:30:17.01 0.3 undecidable manual P 12 3.7962 110 0 76
IV.COLB.HHZ. 2022-01-21T14:30:17.71 0.6 undecidable manual S 13 2.5974 118 0.01 50
IV.CFMN.HHZ. 2022-01-21T14:30:17.81 0.3 undecidable manual P 316 5.6943 104 -0.2 72
IV.COLB.HHZ. 2022-01-21T14:30:16.68 0.1 undecidable manual P 13 2.5974 118 0.24 96
IV.CFB1.HHZ. 2022-01-21T14:30:16.87 0.1 undecidable manual P 319 2.0979 124 0.67 85
IV.CSFT.HHZ. 2022-01-21T14:30:16.92 0.1 undecidable manual P 2 3.6963 111 -0.04 100
IV.CPOZ.HHZ. 2022-01-21T14:30:16.99 0.1 undecidable manual P 331 3.1968 114 0.27 96
IV.CSOB.HHZ. 2022-01-21T14:30:16.95 0.1 undecidable manual P 9 3.3966 112 0.12 99
IV.CSTH.HHE. 2022-01-21T14:30:16.93 0.1 undecidable manual P 15 3.8961 110 -0.11 99
IX.COL3.HHZ.02 2022-01-21T14:30:12.14 3.0 undecidable manual P -5.76 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download