Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-03-2023 and time 02:23:39 (Italy) in region 4 km E Ripabottoni (CB)

A magnitude ML 1.5 earthquake occured in region: 4 km E Ripabottoni (CB), on

  • 28-03-2023 00:23:39 (UTC)
  • 28-03-2023 02:23:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6750, 14.8460 at 19 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4 514 514
Provvidenti CB 5 119 633
Sant'Elia a Pianisi CB 6 1818 2451
Morrone del Sannio CB 7 587 3038
Casacalenda CB 7 2135 5173
Monacilioni CB 8 523 5696
Campolieto CB 8 839 6535
Bonefro CB 8 1384 7919
San Giuliano di Puglia CB 10 1042 8961
Castellino del Biferno CB 10 545 9506
Macchia Valfortore CB 11 576 10082
Pietracatella CB 11 1375 11457
Colletorto CB 11 1938 13395
Montelongo CB 11 365 13760
Montorio nei Frentani CB 12 437 14197
San Giovanni in Galdo CB 13 580 14777
Petrella Tifernina CB 13 1170 15947
Santa Croce di Magliano CB 13 4435 20382
Toro CB 13 1391 21773
Matrice CB 13 1115 22888
Lupara CB 14 505 23393
Carlantino FG 14 980 24373
Castelbottaccio CB 14 312 24685
Lucito CB 15 696 25381
Montagano CB 15 1086 26467
Guardialfiera CB 15 1065 27532
Larino CB 15 6793 34325
Campodipietra CB 15 2570 36895
Rotello CB 16 1212 38107
Celenza Valfortore FG 17 1598 39705
Ripalimosani CB 17 3114 42819
Civitacampomarano CB 18 417 43236
Jelsi CB 18 1781 45017
Limosano CB 19 768 45785
Gambatesa CB 19 1464 47249

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of San Severo (53905 inhabitants)
61 Km N of Benevento (60091 inhabitants)
63 Km W of Foggia (151991 inhabitants)
79 Km NE of Caserta (76326 inhabitants)
85 Km N of Avellino (54857 inhabitants)
89 Km W of Manfredonia (57279 inhabitants)
90 Km NE of Acerra (59573 inhabitants)
94 Km SE of Chieti (51815 inhabitants)
95 Km NE of Aversa (53047 inhabitants)
95 Km NE of Afragola (65057 inhabitants)
97 Km NE of Casoria (77642 inhabitants)
99 Km NE of Giugliano in Campania (122974 inhabitants)
99 Km W of Cerignola (58396 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 1.5 2023-03-28
00:23:39		 41.6753 14.8463 19 2024-03-01
17:18:09		 Bollettino Sismico Italiano INGV 117486751
Reviewed
Rev100 		ML 1.5 2023-03-28
00:23:39		 41.672 14.8553 20 2023-03-28
12:59:40		 Sala Sismica INGV-Roma 115823271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 00:23:39 ± 0.17
Latitude 41.6753 ± 0.0063
Longitude 14.8463 ± 0.0072
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117486751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 710
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 115823271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 12:59:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 117486751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-28 09:56:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HNE. 2023-03-28T00:23:59.24 0.6 undecidable manual S 241 58.3971 100 1.12 34
IV.APRC.HHE. 2023-03-28T00:23:58.81 0.6 undecidable manual S 81 58.3971 100 0.7 42
OT.OT11.EHN. 2023-03-28T00:23:55.06 0.6 undecidable manual S 114 44.3223 104 0.62 45
OT.OT16.EHZ. 2023-03-28T00:23:51.21 0.6 undecidable manual S 57 32.1456 112 -0.12 52
IV.LPEL.HNZ. 2023-03-28T00:23:51.74 0.3 undecidable manual P 307 68.5758 98 -0.2 72
IV.SACR.HNE. 2023-03-28T00:23:51.55 0.6 undecidable manual S 201 32.9448 111 0 52
IV.APRC.HHE. 2023-03-28T00:23:51.22 0.6 undecidable manual P 81 58.3971 100 0.82 40
IT.GLNS.HNE. 2023-03-28T00:23:51.07 0.6 undecidable manual S 13 26.9508 117 1.01 38
IT.PLTA.HNE. 2023-03-28T00:23:50.03 0.6 undecidable manual S 349 23.8539 120 0.68 44
IV.VAGA.HNE. 2023-03-28T00:23:50.44 0.3 undecidable manual P 241 58.3971 100 0.04 74
IT.MCLF.HNZ. 2023-03-28T00:23:49.42 0.6 undecidable manual S 358 25.0527 119 -0.22 52
IV.MELA.HHZ. 2023-03-28T00:23:49.25 0.3 undecidable manual S 82 23.4543 121 -0.01 80
IV.RNI2.HHN. 2023-03-28T00:23:49.94 0.3 undecidable manual P 273 57.5979 100 -0.33 71
IV.SGG.HHN. 2023-03-28T00:23:49.36 0.3 undecidable manual P 231 50.3163 102 0.19 73
IV.BSSO.HHZ. 2023-03-28T00:23:49.58 0.6 undecidable manual S 236 25.3524 118 -0.12 52
IV.GATE.HHZ. 2023-03-28T00:23:48.63 0.6 undecidable manual S 164 18.7701 128 0.41 50
OT.OT11.EHN. 2023-03-28T00:23:48.03 0.6 undecidable manual P 114 44.3223 104 -0.25 49
IV.MOCO.HHZ. 2023-03-28T00:23:48.35 0.6 undecidable manual P 143 42.624 105 0.32 48
IV.PABO.HHE. 2023-03-28T00:23:47.79 0.3 undecidable manual P 282 38.9277 107 0.32 73
IT.LRNO.HNZ. 2023-03-28T00:23:47.78 0.3 undecidable manual S 23 15.7731 134 0.15 78
IV.CIGN.HHZ. 2023-03-28T00:23:46.58 0.3 undecidable manual S 116 5.3946 162 0.44 76
OT.OT16.EHZ. 2023-03-28T00:23:46.01 0.3 undecidable manual P 57 32.1456 112 -0.47 72
IV.SACR.HNE. 2023-03-28T00:23:46.08 0.3 undecidable manual P 201 32.9448 111 -0.53 70
IV.BSSO.HHZ. 2023-03-28T00:23:45.50 0.3 undecidable manual P 236 25.3524 118 -0.05 80
IT.GLNS.HNE. 2023-03-28T00:23:45.73 0.3 undecidable manual P 13 26.9508 117 -0.02 80
IT.MCLF.HNZ. 2023-03-28T00:23:45.26 0.6 undecidable manual P 358 25.0527 119 -0.25 51
IT.PLTA.HNE. 2023-03-28T00:23:45.02 0.6 undecidable manual P 349 23.8539 120 -0.32 51
IT.LRNO.HNZ. 2023-03-28T00:23:44.10 0.3 undecidable manual P 23 15.7731 134 -0.25 78
IV.MELA.HHZ. 2023-03-28T00:23:44.96 0.1 negative manual P 82 23.4543 121 -0.33 100
IV.GATE.HHZ. 2023-03-28T00:23:44.20 0.3 undecidable manual P 164 18.7701 128 -0.49 73
IV.CIGN.HHZ. 2023-03-28T00:23:42.68 0.3 undecidable manual P 116 5.3946 162 -0.81 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:2.0 0.000988 1.36 AML other m 2023-03-28T00:23:46.83
IV.CIGN.HHE. ML:1.9 0.0007379999999999999 0.5 AML other m 2023-03-28T00:23:47.73
IV.GATE.HHN. ML:1.4 0.0001472013 1.76 AML other m 2023-03-28T00:23:48.69
IV.BSSO.HHE. ML:1.5 0.00014971950000000002 0.3 AML other m 2023-03-28T00:23:49.73
IV.MELA.HHN. ML:1.7 0.00024801495 0.68 AML other m 2023-03-28T00:23:49.78
IV.GATE.HHE. ML:1.2 0.000092792795 3.26 AML other m 2023-03-28T00:23:50.12
IV.MELA.HNE. ML:1.6 0.00020620745 0.03 AML other m 2023-03-28T00:23:50.42
IV.MELA.HHE. ML:1.7 0.00023879195 0.04 AML other m 2023-03-28T00:23:50.42
IV.GATE.HNE. ML:1.3 0.00011941635000000001 1.37 AML other m 2023-03-28T00:23:50.96
IV.BSSO.HNN. ML:1.6 0.00018455555 1.26 AML other m 2023-03-28T00:23:51.31
IV.BSSO.HHN. ML:1.6 0.00018816459999999998 1.24 AML other m 2023-03-28T00:23:51.31
IV.BSSO.HNE. ML:1.4 0.00010751752799999998 0.42 AML other m 2023-03-28T00:23:51.24
IV.GATE.HNN. ML:1.2 0.00008874699499999999 1.2 AML other m 2023-03-28T00:23:54.92
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