Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 17-10-2023 and time 14:28:04 (Italy) in region 2 km W Oratino (CB)

A magnitude ML 1.4 earthquake occured in region: 2 km W Oratino (CB), on

  • 17-10-2023 12:28:04 (UTC)
  • 17-10-2023 14:28:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5880, 14.5580 at 21 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Oratino CB 2 1641 1641
Casalciprano CB 2 564 2205
Busso CB 4 1273 3478
Castropignano CB 4 947 4425
Torella del Sannio CB 7 795 5220
Baranello CB 7 2673 7893
Sant'Elena Sannita IS 7 275 8168
Molise CB 7 167 8335
Spinete CB 8 1320 9655
Frosolone IS 9 3170 12825
Campobasso CB 9 49431 62256
Ripalimosani CB 9 3114 65370
Colle d'Anchise CB 9 807 66177
Fossalto CB 10 1345 67522
Vinchiaturo CB 11 3324 70846
Pietracupa CB 11 215 71061
Ferrazzano CB 11 3344 74405
Limosano CB 11 768 75173
Duronia CB 11 405 75578
Montagano CB 12 1086 76664
Sant'Angelo Limosano CB 12 352 77016
Mirabello Sannitico CB 12 2180 79196
Macchiagodena IS 13 1854 81050
Matrice CB 13 1115 82165
Bojano CB 14 8058 90223
San Biase CB 15 189 90412
San Polo Matese CB 15 470 90882
Bagnoli del Trigno IS 16 735 91617
Cantalupo nel Sannio IS 16 739 92356
Civitanova del Sannio IS 16 945 93301
San Giovanni in Galdo CB 16 580 93881
Campochiaro CB 16 646 94527
Santa Maria del Molise IS 16 665 95192
San Massimo CB 16 855 96047
San Giuliano del Sannio CB 16 1029 97076
Campodipietra CB 16 2570 99646
Petrella Tifernina CB 16 1170 100816
Cercepiccola CB 17 681 101497
Guardiaregia CB 17 801 102298
Toro CB 17 1391 103689
Chiauci IS 18 233 103922
Gildone CB 18 809 104731
Castelpetroso IS 18 1680 106411
Campolieto CB 18 839 107250
Salcito CB 18 683 107933
Castellino del Biferno CB 19 545 108478
Carpinone IS 19 1157 109635
Lucito CB 20 696 110331
Sessano del Molise IS 20 727 111058
Cercemaggiore CB 20 3777 114835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NW of Benevento (60091 inhabitants)
60 Km NE of Caserta (76326 inhabitants)
69 Km W of San Severo (53905 inhabitants)
73 Km N of Acerra (59573 inhabitants)
74 Km NE of Aversa (53047 inhabitants)
77 Km N of Afragola (65057 inhabitants)
77 Km N of Avellino (54857 inhabitants)
79 Km NE of Giugliano in Campania (122974 inhabitants)
79 Km N of Casoria (77642 inhabitants)
82 Km NE of Marano di Napoli (59874 inhabitants)
83 Km W of Foggia (151991 inhabitants)
87 Km N of Portici (55274 inhabitants)
87 Km N of Napoli (974074 inhabitants)
88 Km N of Ercolano (53709 inhabitants)
90 Km N of Torre del Greco (86275 inhabitants)
91 Km SE of Chieti (51815 inhabitants)
91 Km NE of Pozzuoli (81661 inhabitants)
93 Km N of Scafati (50787 inhabitants)
99 Km N of Cava de' Tirreni (53659 inhabitants)
99 Km N of Castellammare di Stabia (66466 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
Reviewed
Rev100 		ML 1.4 2023-10-17
12:28:04		 41.5877 14.5582 21 2023-10-17
12:37:02		 Sala Sismica INGV-Roma 122150211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-17 12:28:04 ± 0.15
Latitude 41.5877 ± 0.0063
Longitude 14.5582 ± 0.0096
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122150211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 758
Semi-minor axis of confidence ellipse (meter) 91
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90022
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 122150211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-17 12:37:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2023-10-17T12:28:34.27 3.0 undecidable manual S -2.7 0
IV.SGRT.HHZ. 2023-10-17T12:28:21.19 0.3 undecidable manual P 79 99.9222 97 -0.16 64
IV.SACR.HHZ. 2023-10-17T12:28:15.08 0.3 undecidable manual S 150 24.4533 124 0.75 64
IV.SGG.HHZ. 2023-10-17T12:28:14.92 0.3 undecidable manual S 214 26.8509 121 0.05 76
IV.MIDA.HHZ. 2023-10-17T12:28:14.91 0.3 undecidable manual S 283 25.9518 122 0.24 72
IV.PTRJ.HHZ. 2023-10-17T12:28:14.53 0.3 undecidable manual S 186 24.9528 123 0.09 76
IV.VITU.HNN. 2023-10-17T12:28:13.66 0.6 undecidable manual P 172 45.2214 107 0.59 43
IV.MELA.HHZ. 2023-10-17T12:28:13.55 0.3 undecidable manual P 74 48.9177 106 -0.06 72
IV.PSB1.HNZ. 2023-10-17T12:28:13.46 0.6 undecidable manual P 152 45.5211 107 0.35 46
IV.TRIV.HHZ. 2023-10-17T12:28:13.84 0.3 undecidable manual S 358 19.869 131 0.48 69
IV.CERA.HHZ. 2023-10-17T12:28:12.41 0.6 undecidable manual P 272 44.8218 107 -0.6 43
IV.VAGA.HHZ. 2023-10-17T12:28:11.33 0.3 undecidable manual P 235 33.0447 115 0.02 75
IV.BSSO.HHZ. 2023-10-17T12:28:10.97 0.3 undecidable manual S 147 5.4945 164 -0.25 74
IV.PTRJ.HHZ. 2023-10-17T12:28:10.15 0.1 undecidable manual P 186 24.9528 123 -0.07 100
IV.PABO.HHZ. 2023-10-17T12:28:10.62 0.6 undecidable manual P 322 22.8549 126 0.67 42
IV.SGG.HHZ. 2023-10-17T12:28:10.35 0.3 undecidable manual P 214 26.8509 121 -0.11 74
IV.MIDA.HHZ. 2023-10-17T12:28:10.02 0.3 undecidable manual P 283 25.9518 122 -0.32 72
IV.SACR.HHZ. 2023-10-17T12:28:10.35 0.3 undecidable manual P 150 24.4533 124 0.2 74
IV.GATE.HNE. 2023-10-17T12:28:10.41 0.6 undecidable manual P 106 30.3474 117 -0.53 45
IV.CIGN.HHZ. 2023-10-17T12:28:10.74 0.3 undecidable manual P 76 29.6481 118 -0.11 74
IV.TRIV.HHZ. 2023-10-17T12:28:09.58 0.3 undecidable manual P 358 19.869 131 -0.01 77
IV.BSSO.HHZ. 2023-10-17T12:28:07.74 0.1 undecidable manual P 147 5.4945 164 -0.62 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHN. ML:1.7 0.00034950000000000004 0.4 AML other m 2023-10-17T12:28:10.63
IV.BSSO.HHE. ML:1.7 0.00037052170000000003 0.3776 AML other m 2023-10-17T12:28:12.40
IV.TRIV.HHE. ML:1.6 0.000225 0.42 AML other m 2023-10-17T12:28:14.45
IV.TRIV.HHN. ML:1.3 0.00010655 0.26 AML other m 2023-10-17T12:28:14.29
IV.MIDA.HHN. ML:1.3 0.00008769579 0.2624 AML other m 2023-10-17T12:28:15.20
IV.PTRJ.HHN. ML:1.4 0.00011998595000000001 0.4352 AML other m 2023-10-17T12:28:15.45
IV.MIDA.HHE. ML:1.4 0.0001233058 0.1408 AML other m 2023-10-17T12:28:15.31
IV.PTRJ.HHE. ML:1.4 0.0001108188 0.32 AML other m 2023-10-17T12:28:17.99
IV.SGG.HHE. ML:1.3 0.000090667885 0.4224 AML other m 2023-10-17T12:28:21.63
IV.SACR.HHE. ML:1.1 0.00006649124500000001 0.1792 AML other m 2023-10-17T12:28:15.74
IV.VAGA.HHN. ML:1.8 0.0002315 1.76 AML other m 2023-10-17T12:28:17.90
IV.VAGA.HHE. ML:1.5 0.00011449999999999999 1.34 AML other m 2023-10-17T12:28:19.00
IV.SGG.HHN. ML:1.3 0.00008989252000000001 0.3392 AML other m 2023-10-17T12:28:19.68
IV.SACR.HHN. ML:1.1 0.00006234254999999999 0.1792 AML other m 2023-10-17T12:28:15.64
IV.TRIV.HNE. ML:1.7 0.00025177365 0.4224 AML other m 2023-10-17T12:28:14.24
IV.TRIV.HNN. ML:1.4 0.000130693 0.2816 AML other m 2023-10-17T12:28:14.16
IV.CIGN.HHE. ML:1.0 0.000041891449999999993 0.3968 AML other m 2023-10-17T12:28:22.61
IV.CIGN.HHN. ML:1.0 0.00004718562 0.4992 AML other m 2023-10-17T12:28:20.48
IV.VAGA.HNE. ML:1.4 0.00009836082 0.2304 AML other m 2023-10-17T12:28:21.72
IV.VAGA.HNN. ML:1.8 0.00021722265 0.2304 AML other m 2023-10-17T12:28:17.90
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