Earthquake with magnitude of ML 1.8 on date 31-01-2023 and time 23:47:06 (Italy) in region 2 km SW Sesto Campano (IS)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Sesto Campano (IS), on

  • 31-01-2023 22:47:06 (UTC)
  • 31-01-2023 23:47:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4040, 14.0630 at 10 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
Sesto Campano IS 2 2388 2388
Presenzano CE 3 1766 4154
Mignano Monte Lungo CE 6 3250 7404
Tora e Piccilli CE 8 910 8314
Venafro IS 9 11280 19594
Ciorlano CE 10 426 20020
Pratella CE 10 1565 21585
Vairano Patenora CE 10 6594 28179
Conca della Campania CE 10 1239 29418
Marzano Appio CE 10 2226 31644
San Pietro Infine CE 10 944 32588
Capriati a Volturno CE 10 1541 34129
Caianello CE 11 1824 35953
Conca Casale IS 11 200 36153
Galluccio CE 11 2154 38307
Fontegreca CE 12 811 39118
Ailano CE 12 1369 40487
Pozzilli IS 12 2380 42867
Prata Sannita CE 12 1502 44369
Pietravairano CE 12 2984 47353
San Vittore del Lazio FR 13 2636 49989
Rocca d'Evandro CE 14 3283 53272
Roccamonfina CE 15 3511 56783
Gallo Matese CE 15 579 57362
Raviscanina CE 16 1319 58681
Viticuso FR 16 353 59034
Cervaro FR 16 8109 67143
Filignano IS 16 648 67791
Sant'Ambrogio sul Garigliano FR 16 966 68757
Valle Agricola CE 16 890 69647
Monteroduni IS 16 2264 71911
Letino CE 17 712 72623
Riardo CE 17 2321 74944
Teano CE 17 12577 87521
Sant'Angelo d'Alife CE 17 2270 89791
Acquafondata FR 18 263 90054
Pietramelara CE 18 4722 94776
Montaquila IS 19 2456 97232
Sant'Andrea del Garigliano FR 19 1505 98737
Sant'Apollinare FR 19 1919 100656
Baia e Latina CE 19 2197 102853
Roccaromana CE 20 856 103709
Macchia d'Isernia IS 20 1035 104744

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Caserta (76326 inhabitants)
49 Km N of Aversa (53047 inhabitants)
54 Km N of Giugliano in Campania (122974 inhabitants)
57 Km NW of Acerra (59573 inhabitants)
57 Km N of Marano di Napoli (59874 inhabitants)
57 Km NW of Afragola (65057 inhabitants)
59 Km NW of Casoria (77642 inhabitants)
62 Km N of Pozzuoli (81661 inhabitants)
65 Km N of Napoli (974074 inhabitants)
67 Km W of Benevento (60091 inhabitants)
69 Km NW of Portici (55274 inhabitants)
70 Km NW of Ercolano (53709 inhabitants)
73 Km NW of Torre del Greco (86275 inhabitants)
82 Km NW of Avellino (54857 inhabitants)
83 Km NW of Scafati (50787 inhabitants)
86 Km NW of Castellammare di Stabia (66466 inhabitants)
95 Km NW of Cava de' Tirreni (53659 inhabitants)
97 Km E of Latina (125985 inhabitants)
100 Km NW of Salerno (135261 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 1.8 2023-01-31
22:47:06
41.4042 14.0633 10 2024-03-01
17:17:57
Bollettino Sismico Italiano INGV 114938541
Reviewed
Rev100
ML 1.9 2023-01-31
22:47:06
41.4297 14.0877 16 2023-01-31
22:54:58
Sala Sismica INGV-Roma 113944651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-31 22:47:06 ± 0.17
Latitude 41.4042 ± 0.0117
Longitude 14.0633 ± 0.0108
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114938541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1345
Semi-minor axis of confidence ellipse (meter) 349
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.12860
Epicentral distance of station farthest from the epicenter (degree) 0.48114
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 114938541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-10 09:39:16

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 113944651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-31 22:54:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHE. 2023-01-31T22:47:17.11 0.6 undecidable manual S 13 33.9438 50 -0.93 39
IV.SGG.HHZ. 2023-01-31T22:47:16.59 0.6 undecidable manual S 94 26.3514 110 0.73 43
IV.SACR.HNZ. 2023-01-31T22:47:16.43 0.3 undecidable manual P 91 53.4021 50 0.42 68
IV.PABO.HHZ. 2023-01-31T22:47:15.45 0.6 undecidable manual P 35 46.7199 50 0.48 45
IV.LRP.EHZ. 2023-01-31T22:47:15.36 0.3 undecidable manual P 304 47.9187 50 0.2 72
IV.BSSO.HNZ. 2023-01-31T22:47:15.45 0.6 undecidable manual P 70 46.8198 50 0.46 45
IV.MCI.EHZ. 2023-01-31T22:47:15.48 0.6 undecidable manual S 295 22.9548 112 0.72 43
IV.CERA.HHZ. 2023-01-31T22:47:14.91 0.6 undecidable manual S 350 21.7671 113 0.51 47
IV.POFI.HNZ. 2023-01-31T22:47:14.29 0.3 undecidable manual P 320 45.3213 50 -0.48 68
IV.RNI2.HHE. 2023-01-31T22:47:13.02 0.3 undecidable manual P 13 33.9438 50 0.01 77
IV.SGG.HHZ. 2023-01-31T22:47:11.89 0.3 undecidable manual P 94 26.3514 110 0.13 76
IV.PIGN.HHZ. 2023-01-31T22:47:11.16 0.3 undecidable manual P 157 24.6531 111 -0.28 74
IV.VAGA.HHZ. 2023-01-31T22:47:11.57 0.6 undecidable manual S 85 14.2746 124 -0.52 48
IV.CERA.HHZ. 2023-01-31T22:47:10.68 0.1 undecidable manual P 350 21.7671 113 -0.23 100
IV.MCI.EHZ. 2023-01-31T22:47:10.91 0.3 undecidable manual P 295 22.9548 112 -0.21 75
IV.VAGA.HHZ. 2023-01-31T22:47:09.25 0.1 undecidable manual P 85 14.2746 124 -0.33 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VAGA.HHN. ML:1.9 0.000865 0.26 AML other m 2023-01-31T22:47:14.97
IV.VAGA.HNN. ML:1.9 0.0008399999999999999 0.28 AML other m 2023-01-31T22:47:14.98
IV.VAGA.HHE. ML:1.6 0.000376 1.2 AML other m 2023-01-31T22:47:14.31
IV.VAGA.HNE. ML:1.6 0.0003675 1.2 AML other m 2023-01-31T22:47:14.92
IV.SGG.HNE. ML:2.7 0.0030499999999999998 1.1 AML other m 2023-01-31T22:47:17.35
IV.SGG.HNN. ML:2.7 0.00312 1.12 AML other m 2023-01-31T22:47:17.35
IV.CERA.HHN. ML:1.9 0.0005185 1.2 AML other m 2023-01-31T22:47:18.01
IV.CERA.HNN. ML:1.9 0.0005355 1.2 AML other m 2023-01-31T22:47:18.02
IV.MCI.EHN. ML:1.9 0.00047450000000000004 0.46 AML other m 2023-01-31T22:47:18.13
IV.PIGN.HHN. ML:1.4 0.000135 0.76 AML other m 2023-01-31T22:47:18.53
IV.CERA.HHE. ML:1.8 0.0004755 0.8 AML other m 2023-01-31T22:47:19.21
IV.CERA.HNE. ML:1.8 0.00047 0.78 AML other m 2023-01-31T22:47:19.22
IV.MCI.EHE. ML:2.1 0.0008615 0.52 AML other m 2023-01-31T22:47:19.88
IV.PIGN.HHE. ML:1.3 0.000125 0.66 AML other m 2023-01-31T22:47:21.38
IV.SGG.HHE. ML:1.8 0.000319 1.4 AML other m 2023-01-31T22:47:22.87
IV.SGG.HHN. ML:1.6 0.000216 0.44 AML other m 2023-01-31T22:47:24.53
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