Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 01-04-2023 and time 19:09:35 (Italy) in region 1 km E Ripabottoni (CB)

A magnitude ML 2.2 earthquake occured in region: 1 km E Ripabottoni (CB), on

  • 01-04-2023 17:09:35 (UTC)
  • 01-04-2023 19:09:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6880, 14.8200 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.

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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 1 514 514
Provvidenti CB 4 119 633
Morrone del Sannio CB 4 587 1220
Casacalenda CB 6 2135 3355
Campolieto CB 7 839 4194
Castellino del Biferno CB 8 545 4739
Monacilioni CB 9 523 5262
Sant'Elia a Pianisi CB 9 1818 7080
Bonefro CB 10 1384 8464
Petrella Tifernina CB 10 1170 9634
Lupara CB 11 505 10139
Castelbottaccio CB 12 312 10451
Lucito CB 12 696 11147
San Giuliano di Puglia CB 12 1042 12189
Montelongo CB 12 365 12554
Matrice CB 12 1115 13669
Montorio nei Frentani CB 12 437 14106
San Giovanni in Galdo CB 12 580 14686
Pietracatella CB 13 1375 16061
Macchia Valfortore CB 13 576 16637
Montagano CB 13 1086 17723
Guardialfiera CB 13 1065 18788
Colletorto CB 13 1938 20726
Toro CB 13 1391 22117
Santa Croce di Magliano CB 15 4435 26552
Larino CB 15 6793 33345
Civitacampomarano CB 15 417 33762
Ripalimosani CB 15 3114 36876
Campodipietra CB 16 2570 39446
Limosano CB 17 768 40214
Carlantino FG 17 980 41194
Rotello CB 17 1212 42406
Sant'Angelo Limosano CB 18 352 42758
Castelmauro CB 18 1505 44263
Jelsi CB 19 1781 46044
Celenza Valfortore FG 19 1598 47642
San Biase CB 19 189 47831
Campobasso CB 20 49431 97262

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km W of San Severo (53905 inhabitants)
62 Km N of Benevento (60091 inhabitants)
65 Km W of Foggia (151991 inhabitants)
79 Km NE of Caserta (76326 inhabitants)
86 Km N of Avellino (54857 inhabitants)
91 Km NE of Acerra (59573 inhabitants)
91 Km SE of Chieti (51815 inhabitants)
92 Km W of Manfredonia (57279 inhabitants)
94 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)
100 Km SE of Pescara (121014 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 2.2 2023-04-01
17:09:35		 41.6878 14.8197 19 2024-03-01
17:18:01		 Bollettino Sismico Italiano INGV 116002741
Reviewed
Rev100 		ML 2.2 2023-04-01
17:09:34		 41.6792 14.8378 24 2023-04-01
17:25:40		 Sala Sismica INGV-Roma 115952361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-01 17:09:35 ± 0.14
Latitude 41.6878 ± 0.0099
Longitude 14.8197 ± 0.0084
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 116002741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 547
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 1.20689
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 116002741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-14 01:44:53

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 115952361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-01 17:25:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-04-01T17:10:14.54 0.6 undecidable manual S 121 133.9659 94 1.15 27
IV.INTR.HHZ. 2023-04-01T17:10:00.64 0.6 undecidable manual S 296 83.7495 96 0.63 41
IV.MRVN.HHZ. 2023-04-01T17:09:57.79 0.3 undecidable manual P 121 133.9659 94 0.59 53
IV.RNI2.HNE. 2023-04-01T17:09:53.40 0.6 undecidable manual S 272 55.3002 101 0.9 39
OT.OT12.EHZ. 2023-04-01T17:09:51.28 0.3 undecidable manual P 94 90.4428 96 0.78 54
IV.SGG.HHZ. 2023-04-01T17:09:51.11 0.6 undecidable manual S 228 49.5171 102 0.12 49
IV.INTR.HHZ. 2023-04-01T17:09:48.97 0.1 undecidable manual P 296 83.7495 96 -0.51 81
IV.PABO.HHN. 2023-04-01T17:09:48.31 0.6 undecidable manual S 281 36.4413 108 0.69 44
IV.SGRT.HHZ. 2023-04-01T17:09:48.99 0.6 undecidable manual P 84 76.8675 97 0.56 40
IV.SACR.HHZ. 2023-04-01T17:09:46.59 0.3 undecidable manual S 196 33.5442 110 -0.3 71
OT.OT16.EHN. 2023-04-01T17:09:46.66 0.6 undecidable manual S 61 33.2445 110 -0.15 51
IV.LPEL.HHZ. 2023-04-01T17:09:46.69 0.3 undecidable manual P 307 65.9895 98 -0.07 70
OT.OT05.EHZ. 2023-04-01T17:09:45.63 0.3 undecidable manual P 93 64.9905 99 -0.98 55
IV.BSSO.HHZ. 2023-04-01T17:09:45.08 0.3 undecidable manual S 230 24.4533 119 0.41 72
IV.RNI2.HNE. 2023-04-01T17:09:45.05 0.3 undecidable manual P 272 55.3002 101 -0.09 71
IV.GATE.HHZ. 2023-04-01T17:09:44.47 0.6 undecidable manual S 159 20.7681 124 0.64 44
IV.MELA.HHZ. 2023-04-01T17:09:44.89 0.3 undecidable manual S 85 25.5522 117 -0.03 76
IV.SGG.HHZ. 2023-04-01T17:09:43.53 0.3 undecidable manual P 228 49.5171 102 -0.74 59
IV.MOCO.HHZ. 2023-04-01T17:09:43.71 0.3 undecidable manual P 141 45.1215 104 0.11 73
IT.LRNO.HNZ. 2023-04-01T17:09:43.10 0.6 undecidable manual S 32 15.5733 134 0.36 48
IV.PABO.HHN. 2023-04-01T17:09:42.77 0.3 undecidable manual P 281 36.4413 108 0.45 70
IV.CIGN.HHZ. 2023-04-01T17:09:42.24 0.6 undecidable manual S 118 7.9809 153 0.7 43
IV.SACR.HHZ. 2023-04-01T17:09:41.32 0.1 positive manual P 196 33.5442 110 -0.58 88
OT.OT16.EHN. 2023-04-01T17:09:41.50 0.3 undecidable manual P 61 33.2445 110 -0.36 72
IV.BSSO.HHZ. 2023-04-01T17:09:40.50 0.1 positive manual P 230 24.4533 119 -0.12 100
IV.MELA.HHZ. 2023-04-01T17:09:40.42 0.1 undecidable manual P 85 25.5522 117 -0.34 98
IT.LRNO.HNZ. 2023-04-01T17:09:39.57 0.3 undecidable manual P 32 15.5733 134 0.06 77
IV.GATE.HHZ. 2023-04-01T17:09:39.87 0.1 undecidable manual P 159 20.7681 124 -0.26 99
IV.CIGN.HHZ. 2023-04-01T17:09:38.02 0.3 undecidable manual P 118 7.9809 153 -0.79 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CIGN.HHN. ML:3.3 0.01715 1.62 AML other m 2023-04-01T17:09:44.15
IV.CIGN.HHE. ML:3.3 0.01735 0.56 AML other m 2023-04-01T17:09:44.58
IV.MELA.HHN. ML:2.4 0.001145 0.9 AML other m 2023-04-01T17:09:45.78
IV.MELA.HNN. ML:2.3 0.000986 0.9 AML other m 2023-04-01T17:09:45.78
IV.MELA.HHE. ML:2.4 0.0012799999999999999 0.44 AML other m 2023-04-01T17:09:46.28
IV.MELA.HNE. ML:2.4 0.00126 0.44 AML other m 2023-04-01T17:09:46.28
IV.SACR.HHE. ML:2.2 0.000558 0.34 AML other m 2023-04-01T17:09:46.90
IV.SACR.HNE. ML:2.2 0.0005655 0.34 AML other m 2023-04-01T17:09:46.91
IV.GATE.HNN. ML:2.3 0.001218 0.92 AML other m 2023-04-01T17:09:47.18
IV.GATE.HHN. ML:2.3 0.0012349999999999998 0.92 AML other m 2023-04-01T17:09:47.18
IV.SACR.HHN. ML:2.0 0.00041799999999999997 0.42 AML other m 2023-04-01T17:09:47.70
IV.SACR.HNN. ML:2.0 0.0004215 0.42 AML other m 2023-04-01T17:09:47.70
IV.GATE.HNE. ML:2.6 0.0020700000000000002 0.28 AML other m 2023-04-01T17:09:48.21
IV.GATE.HHE. ML:2.6 0.0020800000000000003 0.3 AML other m 2023-04-01T17:09:48.21
IV.MOCO.HHE. ML:2.0 0.00029549999999999997 1.58 AML other m 2023-04-01T17:09:56.91
IV.SGG.HHN. ML:1.8 0.000154 0.3 AML other m 2023-04-01T17:09:56.24
IV.MOCO.HHN. ML:1.8 0.000174 0.54 AML other m 2023-04-01T17:09:57.35
IV.LPEL.HHN. ML:2.0 0.00018099999999999998 0.46 AML other m 2023-04-01T17:09:58.35
IV.SGG.HHE. ML:1.8 0.00015 0.7 AML other m 2023-04-01T17:10:00.16
IV.LPEL.HHE. ML:2.1 0.0002415 1.06 AML other m 2023-04-01T17:10:00.77
OT.OT12.EHN. ML:2.2 0.00019350000000000001 0.4 AML other m 2023-04-01T17:10:04.81
OT.OT12.EHE. ML:2.0 0.0001265 0.32 AML other m 2023-04-01T17:10:04.65
IV.SGRT.HHN. ML:2.0 0.0001351 1.46 AML other m 2023-04-01T17:10:04.82
IV.INTR.HHN. ML:2.3 0.000262 0.32 AML other m 2023-04-01T17:10:07.65
IV.INTR.HHE. ML:2.0 0.00013350000000000002 1.16 AML other m 2023-04-01T17:10:08.75
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
Waveforms Seismic signals in miniseed + resp format Download