Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 15-10-2023 and time 12:58:01 (Italy) in region 1 km S Oratino (CB)

A magnitude ML 1.5 earthquake occured in region: 1 km S Oratino (CB), on

  • 15-10-2023 10:58:01 (UTC)
  • 15-10-2023 12:58:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5790, 14.5870 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 1 1641 1641
Busso CB 3 1273 2914
Casalciprano CB 5 564 3478
Castropignano CB 5 947 4425
Baranello CB 6 2673 7098
Campobasso CB 7 49431 56529
Ripalimosani CB 7 3114 59643
Torella del Sannio CB 9 795 60438
Ferrazzano CB 9 3344 63782
Spinete CB 9 1320 65102
Sant'Elena Sannita IS 10 275 65377
Vinchiaturo CB 10 3324 68701
Molise CB 10 167 68868
Colle d'Anchise CB 10 807 69675
Mirabello Sannitico CB 10 2180 71855
Montagano CB 11 1086 72941
Matrice CB 11 1115 74056
Fossalto CB 11 1345 75401
Limosano CB 11 768 76169
Frosolone IS 12 3170 79339
Sant'Angelo Limosano CB 13 352 79691
Pietracupa CB 13 215 79906
San Giovanni in Galdo CB 13 580 80486
Campodipietra CB 14 2570 83056
Duronia CB 14 405 83461
Bojano CB 14 8058 91519
San Giuliano del Sannio CB 14 1029 92548
Gildone CB 15 809 93357
Toro CB 15 1391 94748
Cercepiccola CB 15 681 95429
San Biase CB 15 189 95618
Macchiagodena IS 15 1854 97472
San Polo Matese CB 15 470 97942
Petrella Tifernina CB 16 1170 99112
Campochiaro CB 16 646 99758
Guardiaregia CB 16 801 100559
Campolieto CB 16 839 101398
Cercemaggiore CB 17 3777 105175
Cantalupo nel Sannio IS 17 739 105914
San Massimo CB 18 855 106769
Bagnoli del Trigno IS 18 735 107504
Civitanova del Sannio IS 18 945 108449
Santa Maria del Molise IS 18 665 109114
Castellino del Biferno CB 18 545 109659
Jelsi CB 19 1781 111440
Lucito CB 19 696 112136
Monacilioni CB 19 523 112659
Sepino CB 19 1964 114623
Salcito CB 20 683 115306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Benevento (60091 inhabitants)
60 Km NE of Caserta (76326 inhabitants)
67 Km W of San Severo (53905 inhabitants)
73 Km N of Acerra (59573 inhabitants)
74 Km NE of Aversa (53047 inhabitants)
76 Km N of Avellino (54857 inhabitants)
77 Km NE of Afragola (65057 inhabitants)
79 Km NE of Casoria (77642 inhabitants)
79 Km NE of Giugliano in Campania (122974 inhabitants)
81 Km W of Foggia (151991 inhabitants)
83 Km NE of Marano di Napoli (59874 inhabitants)
86 Km N of Portici (55274 inhabitants)
87 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)
93 Km N of Scafati (50787 inhabitants)
93 Km SE of Chieti (51815 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 1.5 2023-10-15
10:58:01		 41.5793 14.5873 21 2023-10-15
11:06:38		 Sala Sismica INGV-Roma 122106291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-15 10:58:01 ± 0.28
Latitude 41.5793 ± 0.0099
Longitude 14.5873 ± 0.0180
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122106291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1374
Semi-minor axis of confidence ellipse (meter) 661
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48653
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 122106291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-15 11:06:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2023-10-15T10:58:33.28 3.0 undecidable manual S -0.06 0
IV.VAGA.HHZ. 2023-10-15T10:58:13.92 0.6 undecidable manual S 238 34.5432 112 0.49 47
IV.SGG.HHZ. 2023-10-15T10:58:12.25 0.6 undecidable manual S 219 27.5502 119 0.51 47
IV.PTRJ.HHZ. 2023-10-15T10:58:11.65 0.6 undecidable manual S 191 24.3534 122 0.63 46
IV.PABO.HHZ. 2023-10-15T10:58:11.90 0.3 undecidable manual S 319 25.0527 121 0.72 64
IV.PIGN.HHZ. 2023-10-15T10:58:11.40 0.6 negative manual P 219 54.0015 103 0.23 48
IV.MIDA.HHZ. 2023-10-15T10:58:11.53 0.3 undecidable manual S 284 28.5492 117 -0.44 72
IV.TRIV.HHZ. 2023-10-15T10:58:10.49 0.6 undecidable manual S 352 20.9679 127 0.21 50
IV.VITU.HNZ. 2023-10-15T10:58:10.49 0.6 undecidable manual P 175 44.1225 106 0.81 41
IV.PSB1.HNN. 2023-10-15T10:58:09.28 0.6 undecidable manual P 155 43.623 107 -0.33 47
IV.VAGA.HHZ. 2023-10-15T10:58:07.95 0.3 positive manual P 238 34.5432 112 -0.34 72
IV.BSSO.HHZ. 2023-10-15T10:58:07.70 0.6 undecidable manual S 172 3.6963 168 -0.02 54
IV.PABO.HHZ. 2023-10-15T10:58:07.40 0.3 undecidable manual P 319 25.0527 121 0.41 72
IV.CIGN.HHZ. 2023-10-15T10:58:07.83 0.6 undecidable manual P 72 27.6501 118 0.5 47
IV.SGG.HHZ. 2023-10-15T10:58:06.86 0.1 undecidable manual P 219 27.5502 119 -0.45 95
IV.TRIV.HHZ. 2023-10-15T10:58:06.15 0.1 positive manual P 352 20.9679 127 -0.32 100
IV.PTRJ.HHZ. 2023-10-15T10:58:06.77 0.3 positive manual P 191 24.3534 122 -0.12 77
IV.MIDA.HHZ. 2023-10-15T10:58:06.91 0.6 undecidable manual P 284 28.5492 117 -0.54 47
IV.BSSO.HHZ. 2023-10-15T10:58:04.33 0.3 negative manual P 172 3.6963 168 -0.66 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:1.6 0.0003545 0.52 AML other m 2023-10-15T10:58:09.57
IV.BSSO.HHN. ML:1.6 0.000284 0.66 AML other m 2023-10-15T10:58:09.51
IV.TRIV.HHE. ML:1.6 0.00022899999999999998 0.42 AML other m 2023-10-15T10:58:10.73
IV.TRIV.HHN. ML:1.3 0.00010869999999999999 0.26 AML other m 2023-10-15T10:58:10.65
IV.MIDA.HHN. ML:1.4 0.00009945 0.56 AML other m 2023-10-15T10:58:11.71
IV.MIDA.HHE. ML:1.6 0.000157 0.16 AML other m 2023-10-15T10:58:11.80
IV.PTRJ.HHE. ML:1.5 0.0001455 0.4 AML other m 2023-10-15T10:58:12.40
IV.PTRJ.HHN. ML:1.4 0.000135 1.46 AML other m 2023-10-15T10:58:12.93
IV.VAGA.HHN. ML:1.7 0.0001965 0.24 AML other m 2023-10-15T10:58:14.42
IV.VAGA.HHE. ML:1.4 0.00010180000000000001 0.6 AML other m 2023-10-15T10:58:15.02
IV.VAGA.HNE. ML:1.4 0.000091002165 0.3008 AML other m 2023-10-15T10:58:14.17
IV.VAGA.HNN. ML:1.8 0.00020022889999999998 0.2496 AML other m 2023-10-15T10:58:14.42
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