Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-03-2023 and time 03:36:01 (UTC) in region 5 km SE Ripabottoni (CB)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Ripabottoni (CB), on

  • 28-03-2023 03:36:01 (UTC)
  • 28-03-2023 05:36:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6660, 14.8550 at 22 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.

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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
Ripabottoni CB 5 514 514
Sant'Elia a Pianisi CB 5 1818 2332
Provvidenti CB 7 119 2451
Monacilioni CB 7 523 2974
Bonefro CB 8 1384 4358
Campolieto CB 8 839 5197
Morrone del Sannio CB 8 587 5784
Casacalenda CB 8 2135 7919
Macchia Valfortore CB 9 576 8495
Pietracatella CB 9 1375 9870
San Giuliano di Puglia CB 9 1042 10912
Colletorto CB 10 1938 12850
Castellino del Biferno CB 11 545 13395
Montelongo CB 11 365 13760
San Giovanni in Galdo CB 12 580 14340
Montorio nei Frentani CB 12 437 14777
Toro CB 13 1391 16168
Santa Croce di Magliano CB 13 4435 20603
Carlantino FG 13 980 21583
Matrice CB 13 1115 22698
Petrella Tifernina CB 14 1170 23868
Lupara CB 15 505 24373
Campodipietra CB 15 2570 26943
Montagano CB 15 1086 28029
Celenza Valfortore FG 15 1598 29627
Lucito CB 16 696 30323
Castelbottaccio CB 16 312 30635
Rotello CB 16 1212 31847
Larino CB 16 6793 38640
Guardialfiera CB 16 1065 39705
Jelsi CB 17 1781 41486
Ripalimosani CB 17 3114 44600
Gambatesa CB 18 1464 46064
Civitacampomarano CB 19 417 46481
Limosano CB 19 768 47249
Gildone CB 20 809 48058
Riccia CB 20 5262 53320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of San Severo (53905 inhabitants)
60 Km N of Benevento (60091 inhabitants)
62 Km W of Foggia (151991 inhabitants)
79 Km NE of Caserta (76326 inhabitants)
84 Km N of Avellino (54857 inhabitants)
89 Km W of Manfredonia (57279 inhabitants)
90 Km NE of Acerra (59573 inhabitants)
94 Km NE of Aversa (53047 inhabitants)
94 Km NE of Afragola (65057 inhabitants)
95 Km SE of Chieti (51815 inhabitants)
97 Km NE of Casoria (77642 inhabitants)
98 Km W of Cerignola (58396 inhabitants)
98 Km NE of Giugliano in Campania (122974 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 1.6 2023-03-28
03:36:01		 41.6662 14.8547 22 2024-03-01
17:18:10		 Bollettino Sismico Italiano INGV 118152591
Reviewed
Rev100 		ML 1.6 2023-03-28
03:36:01		 41.6673 14.8305 19 2023-03-28
14:25:57		 Sala Sismica INGV-Roma 115826741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 03:36:01 ± 0.15
Latitude 41.6662 ± 0.0072
Longitude 14.8547 ± 0.0096
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118152591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 887
Semi-minor axis of confidence ellipse (meter) 115
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78691
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 118152591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-28 11:29:02

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 115826741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 14:25:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2023-03-28T03:37:43.10 3.0 positive manual Pg 27.790001 0
CH.FUORN.HHZ. 2023-03-28T03:37:25.75 3.0 undecidable manual Pn 3.91 0
IV.SICLA.EHZ. 2023-03-28T03:37:16.73 3.0 undecidable manual Sn -1.86 0
ST.OZOL.EHZ. 2023-03-28T03:37:13.89 3.0 undecidable manual Pn -1.34 0
IV.IMOL.HNZ. 2023-03-28T03:37:01.42 3.0 positive manual Pg 12.47 0
GU.POPM.HHZ. 2023-03-28T03:36:59.35 3.0 negative manual Pn 6.27 0
IV.AIO.HHZ. 2023-03-28T03:36:57.21 3.0 positive manual Pg 13.33 0
IV.FRON.EHZ. 2023-03-28T03:36:45.68 3.0 undecidable manual Pg 11.47 0
IV.CSNT.HHZ. 2023-03-28T03:36:42.34 3.0 negative manual Pn -1.99 0
IV.CDRU.HHZ. 2023-03-28T03:36:28.67 3.0 undecidable manual Sn 0.61 0
IV.INTR.HNZ. 2023-03-28T03:36:27.37 0.6 undecidable manual S 296 87.3459 98 -0.02 44
IV.SGG.HHN. 2023-03-28T03:36:18.22 0.6 undecidable manual S 232 50.2164 105 0.57 41
OT.OT11.EHE. 2023-03-28T03:36:16.79 0.6 undecidable manual S 113 43.3233 108 0.91 37
IV.PABO.HHN. 2023-03-28T03:36:15.63 0.6 undecidable manual S 283 39.8268 110 0.62 41
IV.SGRT.HNN. 2023-03-28T03:36:15.49 0.6 undecidable manual P 82 74.2701 100 1.07 32
IV.INTR.HNZ. 2023-03-28T03:36:15.55 0.3 undecidable manual P 296 87.3459 98 -0.87 51
OT.OT07.EHZ. 2023-03-28T03:36:14.35 0.6 undecidable manual P 94 71.8725 100 0.3 43
IV.SACR.HHN. 2023-03-28T03:36:13.27 0.6 undecidable manual S 203 32.2455 116 0.12 47
IV.LPEL.HHZ. 2023-03-28T03:36:13.17 0.3 undecidable manual P 308 69.6747 100 -0.56 60
IV.CDRU.HHZ. 2023-03-28T03:36:13.01 3.0 undecidable manual P 0.92 0
IV.BSSO.HHZ. 2023-03-28T03:36:12.16 0.6 undecidable manual S 238 25.3524 123 0.61 42
OT.OT04.EHN. 2023-03-28T03:36:12.57 0.3 undecidable manual P 84 60.3951 102 0.24 67
IT.MCLF.HNE. 2023-03-28T03:36:12.04 0.6 undecidable manual S 357 26.1516 122 0.32 46
IT.GLNS.HNZ. 2023-03-28T03:36:12.72 0.6 undecidable manual S 11 27.75 120 0.63 42
IT.PLTA.HNZ. 2023-03-28T03:36:11.72 0.6 undecidable manual S 348 25.0527 123 0.25 47
IV.MELA.HHZ. 2023-03-28T03:36:10.82 0.3 undecidable manual S 79 22.9548 126 -0.2 71
IV.SGG.HHN. 2023-03-28T03:36:10.92 0.6 undecidable manual P 232 50.2164 105 0.13 46
IV.GATE.HHZ. 2023-03-28T03:36:10.23 0.6 undecidable manual S 165 17.5713 135 0.31 47
IV.PABO.HHN. 2023-03-28T03:36:09.26 0.3 undecidable manual P 283 39.8268 110 -0.01 72
IT.LRNO.HNE. 2023-03-28T03:36:09.53 0.6 undecidable manual S 19 16.4724 137 -0.19 48
OT.OT11.EHE. 2023-03-28T03:36:09.88 0.6 undecidable manual P 113 43.3233 108 0.11 47
IV.CIGN.HHZ. 2023-03-28T03:36:08.19 0.3 undecidable manual S 108 4.3956 167 0.03 76
IT.MCLF.HNE. 2023-03-28T03:36:08.10 0.6 undecidable manual P 357 26.1516 122 0.73 41
IT.GLNS.HNZ. 2023-03-28T03:36:07.56 0.3 undecidable manual P 11 27.75 120 -0.02 73
IV.SACR.HHN. 2023-03-28T03:36:07.79 0.3 undecidable manual P 203 32.2455 116 -0.41 67
IV.BSSO.HHZ. 2023-03-28T03:36:07.05 0.1 positive manual P 238 25.3524 123 -0.22 95
IT.PLTA.HNZ. 2023-03-28T03:36:06.97 0.6 undecidable manual P 348 25.0527 123 -0.25 47
IT.LRNO.HNE. 2023-03-28T03:36:06.20 0.6 undecidable manual P 19 16.4724 137 -0.01 50
IV.MELA.HHZ. 2023-03-28T03:36:06.55 0.1 undecidable manual P 79 22.9548 126 -0.41 91
IV.GATE.HHZ. 2023-03-28T03:36:06.32 0.1 undecidable manual P 165 17.5713 135 -0.01 100
IV.CIGN.HHZ. 2023-03-28T03:36:03.93 0.1 negative manual P 108 4.3956 167 -1.38 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HNE. ML:1.7 0.00024113080000000002 1.2704 AML other m 2023-03-28T03:36:08.29
IV.GATE.HHN. ML:1.3 0.0001256053 0.9808 AML other m 2023-03-28T03:36:10.44
IV.MELA.HHE. ML:1.5 0.00016963085 1.5392 AML other m 2023-03-28T03:36:10.09
IV.MELA.HNN. ML:1.6 0.0001930173 1.5808 AML other m 2023-03-28T03:36:11.93
IV.MELA.HHN. ML:1.7 0.00023320224 1.6208 AML other m 2023-03-28T03:36:11.95
IV.GATE.HHE. ML:1.2 0.000085990975 0.2 AML other m 2023-03-28T03:36:11.52
IV.BSSO.HHE. ML:1.8 0.0002715 1.1 AML other m 2023-03-28T03:36:12.94
IV.BSSO.HNE. ML:1.7 0.0002113757 0.32 AML other m 2023-03-28T03:36:12.39
IV.GATE.HNE. ML:1.7 0.000317 0.6 AML other m 2023-03-28T03:36:12.33
IV.BSSO.HNN. ML:1.6 0.00016640159999999998 0.6 AML other m 2023-03-28T03:36:12.73
IV.BSSO.HHN. ML:1.5 0.000156 0.86 AML other m 2023-03-28T03:36:13.01
IV.GATE.HNN. ML:1.6 0.0002155 0.56 AML other m 2023-03-28T03:36:14.75
IV.LPEL.HHN. ML:1.2 0.00002672992 2.28 AML other m 2023-03-28T03:36:23.65
IV.LPEL.HHE. ML:1.4 0.000047076235000000004 2.9392 AML other m 2023-03-28T03:36:23.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download