Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-08-2023 and time 22:17:06 (UTC) in region 1 km SW Bonefro (CB)

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

  • 25-08-2023 22:17:06 (UTC)
  • 26-08-2023 00:17:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6980, 14.9250 at 11 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
Bonefro CB 1 1384 1384
San Giuliano di Puglia CB 4 1042 2426
Montelongo CB 5 365 2791
Colletorto CB 6 1938 4729
Santa Croce di Magliano CB 6 4435 9164
Montorio nei Frentani CB 7 437 9601
Casacalenda CB 8 2135 11736
Provvidenti CB 9 119 11855
Rotello CB 9 1212 13067
Sant'Elia a Pianisi CB 9 1818 14885
Ripabottoni CB 10 514 15399
Macchia Valfortore CB 12 576 15975
Larino CB 12 6793 22768
Morrone del Sannio CB 12 587 23355
Carlantino FG 12 980 24335
Monacilioni CB 14 523 24858
Pietracatella CB 14 1375 26233
Campolieto CB 15 839 27072
Ururi CB 15 2693 29765
Celenza Valfortore FG 16 1598 31363
Castellino del Biferno CB 16 545 31908
Guardialfiera CB 16 1065 32973
Casalnuovo Monterotaro FG 17 1556 34529
Lupara CB 18 505 35034
Toro CB 19 1391 36425
San Giovanni in Galdo CB 19 580 37005
Castelbottaccio CB 19 312 37317
Casalvecchio di Puglia FG 19 1877 39194
Petrella Tifernina CB 19 1170 40364

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of San Severo (53905 inhabitants)
58 Km W of Foggia (151991 inhabitants)
64 Km N of Benevento (60091 inhabitants)
83 Km W of Manfredonia (57279 inhabitants)
85 Km NE of Caserta (76326 inhabitants)
88 Km N of Avellino (54857 inhabitants)
95 Km NW of Cerignola (58396 inhabitants)
95 Km NE of Acerra (59573 inhabitants)
96 Km SE of Chieti (51815 inhabitants)
100 Km NE of Afragola (65057 inhabitants)
100 Km NE of Aversa (53047 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 2023-08-25
22:17:06		 41.6975 14.9252 11 2023-08-25
22:56:56		 Sala Sismica INGV-Roma 120476601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-25 22:17:06 ± 0.09
Latitude 41.6975 ± 0.0054
Longitude 14.9252 ± 0.0072
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120476601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 625
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 49
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) 1.57921
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 31
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 33
Type of magnitude ML
Reference to an origin 120476601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-25 22:56:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRI.EHZ. 2023-08-25T22:18:46.13 3.0 undecidable manual Sg 14.29 0
IV.MILZ.HHZ. 2023-08-25T22:18:43.75 3.0 undecidable manual Sn 4.01 0
IV.SPS2.HHZ. 2023-08-25T22:18:27.80 3.0 undecidable manual Sg 7.07 0
IV.BAG8.EHZ. 2023-08-25T22:18:23.76 3.0 negative manual Pn 0.44 0
IV.ARVD.HHZ. 2023-08-25T22:18:11.03 3.0 undecidable manual Sn -1.02 0
IV.IMOL.HNZ. 2023-08-25T22:18:11.06 3.0 undecidable manual Pg 11.1 0
IV.AMUR.HHZ. 2023-08-25T22:17:54.58 3.0 undecidable manual S 1.22 0
IV.MIGL.HHZ. 2023-08-25T22:17:34.80 0.3 undecidable manual P 133 175.2912 50 -0.22 51
IV.INTR.HHZ. 2023-08-25T22:17:33.88 0.6 undecidable manual S 293 91.242 50 0.45 41
OT.OT14.EHZ. 2023-08-25T22:17:32.52 0.6 undecidable manual S 74 84.1491 50 0.98 34
IV.SGTA.HNZ. 2023-08-25T22:17:28.99 1.0 undecidable manual S 149 72.372 50 0.6 20
IV.SGRT.HHZ. 2023-08-25T22:17:28.45 1.0 undecidable manual S 84 68.0763 50 1.21 16
IV.MRVN.HHZ. 2023-08-25T22:17:28.28 0.6 undecidable manual P 123 127.1727 50 0.69 35
IV.LPEL.HHZ. 2023-08-25T22:17:28.94 1.0 undecidable manual S 303 72.4719 50 0.5 21
IV.MRB1.HNN. 2023-08-25T22:17:27.21 0.3 undecidable manual S 177 63.8916 50 1.08 50
OT.OT03.EHN. 2023-08-25T22:17:25.51 1.0 undecidable manual S 88 59.9955 50 0.4 22
IV.PSB1.HHZ. 2023-08-25T22:17:24.34 0.6 undecidable manual S 190 53.4021 50 1 36
IV.T0110.HHZ. 2023-08-25T22:17:24.28 0.1 undecidable manual P 302 111.5994 50 -0.92 66
OT.OT04.EHZ. 2023-08-25T22:17:23.53 0.6 undecidable manual S 87 54.3012 50 -0.05 48
OT.OT06.EHN. 2023-08-25T22:17:22.97 0.3 undecidable manual S 91 55.4001 50 -0.91 55
IV.PTRJ.HHZ. 2023-08-25T22:17:22.15 0.6 undecidable manual S 222 49.5171 50 -0.14 48
IV.INTR.HHZ. 2023-08-25T22:17:21.36 0.3 undecidable manual P 293 91.242 50 -0.7 57
OT.OT14.EHZ. 2023-08-25T22:17:21.06 0.3 undecidable manual P 74 84.1491 50 0.1 68
IV.SNAL.HHZ. 2023-08-25T22:17:20.82 0.6 undecidable manual P 164 88.8444 50 -0.87 35
IX.SSB3.HHE.02 2023-08-25T22:17:19.82 0.3 undecidable manual P 160 73.1712 50 0.55 62
IV.CAFE.HHZ. 2023-08-25T22:17:19.73 0.3 undecidable manual P 161 78.6657 50 -0.39 64
OT.OT11.EHZ. 2023-08-25T22:17:19.50 0.6 undecidable manual S 121 39.627 50 -0.15 48
IV.SGRT.HHZ. 2023-08-25T22:17:18.17 0.3 undecidable manual P 84 68.0763 50 -0.31 67
IV.BSSO.HHZ. 2023-08-25T22:17:18.25 0.6 undecidable manual S 239 32.2455 50 0.57 44
IV.LPEL.HHZ. 2023-08-25T22:17:18.87 0.6 undecidable manual P 303 72.4719 50 -0.3 44
IV.SACR.HNZ. 2023-08-25T22:17:18.98 0.6 undecidable manual S 209 37.9287 50 -0.23 48
IV.SGTA.HNZ. 2023-08-25T22:17:18.86 0.3 undecidable manual P 149 72.372 50 -0.28 67
IV.MRB1.HNN. 2023-08-25T22:17:17.82 0.6 undecidable manual P 177 63.8916 50 -0.02 48
IV.VITU.HHN. 2023-08-25T22:17:17.30 1.0 undecidable manual P 203 62.0934 50 -0.27 23
OT.OT03.EHN. 2023-08-25T22:17:17.93 0.6 undecidable manual P 88 59.9955 50 0.68 40
OT.OT16.EHE. 2023-08-25T22:17:16.21 0.6 undecidable manual S 53 25.3524 50 0.37 48
IV.PSB1.HHZ. 2023-08-25T22:17:16.07 0.3 undecidable manual P 190 53.4021 50 -0.16 71
IV.SGG.HNE. 2023-08-25T22:17:16.55 1.0 undecidable manual P 233 56.9985 50 -0.23 23
OT.OT04.EHZ. 2023-08-25T22:17:15.68 0.6 undecidable manual P 87 54.3012 50 -0.69 41
OT.OT06.EHN. 2023-08-25T22:17:15.69 0.3 undecidable manual P 91 55.4001 50 -0.86 57
IV.PTRJ.HHZ. 2023-08-25T22:17:15.13 0.1 undecidable manual P 222 49.5171 50 -0.49 89
OT.OT05.EHZ. 2023-08-25T22:17:15.76 0.3 undecidable manual P 94 56.2992 50 -0.91 55
IV.APRC.HHZ. 2023-08-25T22:17:15.26 3.0 positive manual P -1.77 0
IV.MOCO.HHZ. 2023-08-25T22:17:14.72 0.3 undecidable manual P 152 41.1255 50 0.38 69
IV.SACR.HNZ. 2023-08-25T22:17:13.77 0.1 undecidable manual P 209 37.9287 50 -0.07 99
IV.TRIV.HNE. 2023-08-25T22:17:13.44 0.6 undecidable manual P 284 31.9458 50 0.51 45
IV.MELA.HHZ. 2023-08-25T22:17:13.83 0.3 undecidable manual S 87 16.7721 122 0.44 71
IV.BSSO.HHZ. 2023-08-25T22:17:13.29 0.1 undecidable manual P 239 32.2455 50 0.33 95
OT.OT11.EHZ. 2023-08-25T22:17:13.92 0.3 undecidable manual P 121 39.627 50 -0.18 72
IT.LRNO.HNE. 2023-08-25T22:17:12.39 0.3 undecidable manual S 358 12.0768 131 0.29 74
IT.GLNS.HNN. 2023-08-25T22:17:12.05 0.1 undecidable manual P 359 23.754 50 0.38 95
IV.GATE.HHZ. 2023-08-25T22:17:11.85 0.1 undecidable manual P 183 20.4684 117 0.71 86
OT.OT16.EHE. 2023-08-25T22:17:11.79 0.3 undecidable manual P 53 25.3524 50 -0.11 75
IV.CIGN.HHZ. 2023-08-25T22:17:10.06 0.3 undecidable manual S 199 5.0949 154 -0.53 71
IT.LRNO.HNE. 2023-08-25T22:17:10.13 0.1 undecidable manual P 358 12.0768 131 0.39 97
IV.MELA.HHZ. 2023-08-25T22:17:10.46 1.0 negative manual P 87 16.7721 122 -0.02 26
IV.CIGN.HHZ. 2023-08-25T22:17:08.58 0.1 undecidable manual P 199 5.0949 154 -0.29 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHE. ML:2.1 0.00185 0.28 AML other m 2023-08-25T22:17:10.76
IV.CIGN.HHN. ML:2.0 0.0015299775 0.2688 AML other m 2023-08-25T22:17:11.21
IV.MELA.HHE. ML:1.8 0.000633 0.18 AML other m 2023-08-25T22:17:14.28
IV.MELA.HNE. ML:1.8 0.0005468310000000001 0.1792 AML other m 2023-08-25T22:17:14.19
IV.MELA.HHN. ML:1.8 0.000474281 0.0512 AML other m 2023-08-25T22:17:14.48
IV.MELA.HNN. ML:1.7 0.00043178745 0.192 AML other m 2023-08-25T22:17:14.21
IV.BSSO.HHE. ML:1.6 0.000165 0.22 AML other m 2023-08-25T22:17:19.52
IV.BSSO.HHN. ML:1.5 0.00013000000000000002 1.6 AML other m 2023-08-25T22:17:19.86
IV.GATE.HNN. ML:1.4 0.0001837315 0.3968 AML other m 2023-08-25T22:17:20.45
IV.GATE.HHN. ML:1.4 0.00018170429999999997 0.3712 AML other m 2023-08-25T22:17:20.47
OT.OT11.EHN. ML:2.4 0.0008855 0.2 AML other m 2023-08-25T22:17:20.85
OT.OT11.EHE. ML:2.0 0.0003791366 0.1408 AML other m 2023-08-25T22:17:20.92
IV.PTRJ.HHE. ML:1.5 0.00007942475 0.3072 AML other m 2023-08-25T22:17:23.24
IV.PTRJ.HHN. ML:1.3 0.00005540952000000001 0.2048 AML other m 2023-08-25T22:17:23.90
IV.GATE.HNE. ML:1.4 0.000195 0.36 AML other m 2023-08-25T22:17:24.48
IV.GATE.HHE. ML:1.4 0.0001865 0.36 AML other m 2023-08-25T22:17:24.48
IV.MOCO.HHE. ML:1.6 0.0001305 1.6 AML other m 2023-08-25T22:17:24.00
IV.MOCO.HHN. ML:1.1 0.000042050000000000006 1.48 AML other m 2023-08-25T22:17:27.09
IV.LPEL.HHE. ML:1.6 0.00006094866 0.2432 AML other m 2023-08-25T22:17:32.19
IV.LPEL.HHN. ML:1.5 0.00005745311 0.2432 AML other m 2023-08-25T22:17:32.12
IV.SGRT.HHE. ML:1.5 0.0000567 0.2 AML other m 2023-08-25T22:17:31.85
IV.CAFE.HHN. ML:1.4 0.00003285 1.76 AML other m 2023-08-25T22:17:32.02
IV.CAFE.HHE. ML:1.4 0.000033 0.48 AML other m 2023-08-25T22:17:33.53
OT.OT12.EHE. ML:1.5 0.0000432 0.52 AML other m 2023-08-25T22:17:34.56
IV.SGRT.HHN. ML:1.4 0.000039631235000000003 0.1792 AML other m 2023-08-25T22:17:34.34
OT.OT12.EHN. ML:1.4 0.000036784185 0.1664 AML other m 2023-08-25T22:17:35.28
IV.INTR.HHN. ML:1.6 0.0000385 1.72 AML other m 2023-08-25T22:17:38.99
IV.PALZ.HHE. ML:1.8 0.000046964485 0.6784 AML other m 2023-08-25T22:17:50.84
IV.MRVN.HHN. ML:1.6 0.000030850000000000004 0.54 AML other m 2023-08-25T22:17:45.68
IV.INTR.HHE. ML:1.2 0.00002017667 0.6784 AML other m 2023-08-25T22:17:42.03
IV.MRVN.HHE. ML:1.6 0.000024 1.56 AML other m 2023-08-25T22:17:46.05
IV.PALZ.HHN. ML:1.8 0.00004579111 0.4352 AML other m 2023-08-25T22:17:48.93
OT.OT05.EHN. ML:1.2 0.000036933225 0.2816 AML other m 2023-08-25T22:17:29.66
IV.LPEL.HNE. ML:1.8 0.0000955618 0.3456 AML other m 2023-08-25T22:17:32.08
OT.OT14.EHE. ML:1.7 0.000058890214999999995 0.3584 AML other m 2023-08-25T22:17:40.13
OT.OT14.EHN. ML:1.8 0.00008393750999999999 0.2688 AML other m 2023-08-25T22:17:36.15
IV.SNAL.HHE. ML:1.1 0.000016165517 0.7168 AML other m 2023-08-25T22:17:37.31
IV.SNAL.HHN. ML:1.3 0.000026990500000000002 3.5968 AML other m 2023-08-25T22:17:37.04
IV.SNAL.HNE. ML:2.2 0.00020035544999999998 1.3952 AML other m 2023-08-25T22:17:25.73
IV.T0110.HHE. ML:1.4 0.000021976355 0.256 AML other m 2023-08-25T22:17:44.78
IV.T0110.HHN. ML:1.3 0.00001597491 0.3968 AML other m 2023-08-25T22:17:55.62
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