Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-10-2023 and time 14:05:46 (Italy) in region 1 km SW Oratino (CB)

A magnitude ML 1.6 earthquake occured in region: 1 km SW Oratino (CB), on

  • 16-10-2023 12:05:46 (UTC)
  • 16-10-2023 14:05:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5790, 14.5740 at 17 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 1 1641 1641
Busso CB 3 1273 2914
Casalciprano CB 4 564 3478
Castropignano CB 5 947 4425
Baranello CB 6 2673 7098
Campobasso CB 8 49431 56529
Torella del Sannio CB 8 795 57324
Spinete CB 8 1320 58644
Ripalimosani CB 8 3114 61758
Sant'Elena Sannita IS 8 275 62033
Molise CB 9 167 62200
Colle d'Anchise CB 9 807 63007
Vinchiaturo CB 10 3324 66331
Ferrazzano CB 10 3344 69675
Frosolone IS 11 3170 72845
Mirabello Sannitico CB 11 2180 75025
Fossalto CB 11 1345 76370
Montagano CB 11 1086 77456
Limosano CB 12 768 78224
Matrice CB 12 1115 79339
Pietracupa CB 12 215 79554
Sant'Angelo Limosano CB 13 352 79906
Duronia CB 13 405 80311
Bojano CB 14 8058 88369
Macchiagodena IS 14 1854 90223
San Giovanni in Galdo CB 15 580 90803
San Giuliano del Sannio CB 15 1029 91832
San Polo Matese CB 15 470 92302
Campodipietra CB 15 2570 94872
San Biase CB 15 189 95061
Cercepiccola CB 15 681 95742
Campochiaro CB 15 646 96388
Gildone CB 16 809 97197
Guardiaregia CB 16 801 97998
Toro CB 16 1391 99389
Petrella Tifernina CB 16 1170 100559
Cantalupo nel Sannio IS 16 739 101298
San Massimo CB 17 855 102153
Santa Maria del Molise IS 17 665 102818
Bagnoli del Trigno IS 17 735 103553
Civitanova del Sannio IS 17 945 104498
Campolieto CB 17 839 105337
Cercemaggiore CB 18 3777 109114
Castelpetroso IS 19 1680 110794
Chiauci IS 19 233 111027
Castellino del Biferno CB 19 545 111572
Sepino CB 19 1964 113536
Salcito CB 20 683 114219
Lucito CB 20 696 114915
Jelsi CB 20 1781 116696

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Benevento (60091 inhabitants)
60 Km NE of Caserta (76326 inhabitants)
68 Km W of San Severo (53905 inhabitants)
72 Km N of Acerra (59573 inhabitants)
74 Km NE of Aversa (53047 inhabitants)
76 Km N of Avellino (54857 inhabitants)
76 Km N of Afragola (65057 inhabitants)
78 Km NE of Casoria (77642 inhabitants)
79 Km NE of Giugliano in Campania (122974 inhabitants)
82 Km W of Foggia (151991 inhabitants)
82 Km NE of Marano di Napoli (59874 inhabitants)
86 Km N of Portici (55274 inhabitants)
86 Km NE of Napoli (974074 inhabitants)
88 Km N of Ercolano (53709 inhabitants)
90 Km N of Torre del Greco (86275 inhabitants)
91 Km NE of Pozzuoli (81661 inhabitants)
92 Km SE of Chieti (51815 inhabitants)
92 Km N of Scafati (50787 inhabitants)
98 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 1.6 2023-10-16
12:05:46		 41.579 14.5735 17 2023-10-16
12:10:02		 Sala Sismica INGV-Roma 122126991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-16 12:05:46 ± 0.2
Latitude 41.5790 ± 0.0072
Longitude 14.5735 ± 0.0096
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122126991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 812
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 122126991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-16 12:10:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2023-10-16T12:05:58.53 0.6 undecidable manual S 237 33.5442 106 0.38 47
IV.PTRJ.HHZ. 2023-10-16T12:05:56.10 0.3 undecidable manual S 189 24.1536 114 0.31 72
IV.MIDA.HHZ. 2023-10-16T12:05:56.67 0.3 undecidable manual S 285 27.4503 110 0.07 76
IV.TRIV.HHZ. 2023-10-16T12:05:55.57 0.3 undecidable manual S 355 20.868 119 0.55 71
IV.VAGA.HHZ. 2023-10-16T12:05:53.05 0.3 undecidable manual P 237 33.5442 106 -0.19 74
IV.CIGN.HHZ. 2023-10-16T12:05:53.11 0.3 undecidable manual P 73 28.749 109 0.57 69
IV.BSSO.HHZ. 2023-10-16T12:05:52.00 0.3 undecidable manual S 155 3.996 164 -0.1 78
IV.MIDA.HHZ. 2023-10-16T12:05:52.24 0.6 positive manual P 285 27.4503 110 -0.1 51
IV.SGG.HHZ. 2023-10-16T12:05:52.16 0.6 undecidable manual P 217 26.751 111 -0.09 51
IV.PABO.HHN. 2023-10-16T12:05:51.48 0.6 undecidable manual P 321 24.3534 114 -0.43 47
IV.SACR.HHN. 2023-10-16T12:05:51.42 0.6 undecidable manual P 151 22.9548 116 -0.29 49
IV.TRIV.HHZ. 2023-10-16T12:05:51.26 0.1 positive manual P 355 20.868 119 -0.17 100
IV.PTRJ.HHZ. 2023-10-16T12:05:51.87 0.3 negative manual P 189 24.1536 114 0 78
IV.BSSO.HHZ. 2023-10-16T12:05:49.28 0.3 undecidable manual P 155 3.996 164 -0.46 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHN. ML:1.6 0.0004125 0.62 AML other m 2023-10-16T12:05:55.01
IV.TRIV.HNE. ML:1.6 0.00022000000000000003 1.56 AML other m 2023-10-16T12:05:55.06
IV.BSSO.HHE. ML:1.7 0.00047500000000000005 0.76 AML other m 2023-10-16T12:05:55.97
IV.PTRJ.HHN. ML:1.6 0.00021050000000000002 0.98 AML other m 2023-10-16T12:05:57.25
IV.TRIV.HNN. ML:1.5 0.000199 1.58 AML other m 2023-10-16T12:05:57.09
IV.TRIV.HHN. ML:1.4 0.0001605 1.58 AML other m 2023-10-16T12:05:57.10
IV.PTRJ.HHE. ML:1.6 0.000184 1.02 AML other m 2023-10-16T12:05:58.57
IV.VAGA.HHN. ML:1.9 0.00029200000000000005 0.26 AML other m 2023-10-16T12:05:59.51
IV.VAGA.HNN. ML:1.9 0.0002935 0.26 AML other m 2023-10-16T12:05:59.51
IV.SGG.HHN. ML:1.5 0.00016299999999999998 0.92 AML other m 2023-10-16T12:06:01.74
IV.TRIV.HHE. ML:1.5 0.0001885 0.86 AML other m 2023-10-16T12:06:01.55
IV.SGG.HHE. ML:1.4 0.00013000000000000002 1.36 AML other m 2023-10-16T12:06:02.26
IV.VAGA.HHE. ML:1.7 0.0001795 0.22 AML other m 2023-10-16T12:06:03.33
IV.VAGA.HNE. ML:1.6 0.0001764 0.24 AML other m 2023-10-16T12:06:03.33
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