Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 19-04-2023 and time 00:15:28 (UTC) in region 2 km E Gambatesa (CB)

A magnitude ML 1.0 earthquake occured in region: 2 km E Gambatesa (CB), on

  • 19-04-2023 00:15:28 (UTC)
  • 19-04-2023 02:15:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5040, 14.9380 at 24 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
Gambatesa CB 2 1464 1464
Tufara CB 3 925 2389
San Marco la Catola FG 6 1012 3401
Castelvetere in Val Fortore BN 7 1240 4641
Celenza Valfortore FG 7 1598 6239
Riccia CB 9 5262 11501
Volturara Appula FG 10 430 11931
Macchia Valfortore CB 10 576 12507
Pietracatella CB 10 1375 13882
Carlantino FG 10 980 14862
Jelsi CB 12 1781 16643
Baselice BN 12 2397 19040
San Bartolomeo in Galdo BN 12 4867 23907
Sant'Elia a Pianisi CB 14 1818 25725
Motta Montecorvino FG 15 730 26455
Castelpagano BN 16 1483 27938
Volturino FG 16 1743 29681
Monacilioni CB 16 523 30204
Toro CB 16 1391 31595
Gildone CB 16 809 32404
Pietramontecorvino FG 17 2721 35125
Campodipietra CB 17 2570 37695
Foiano di Val Fortore BN 17 1410 39105
Castelnuovo della Daunia FG 17 1445 40550
Alberona FG 18 985 41535
Casalvecchio di Puglia FG 18 1877 43412
Colle Sannita BN 18 2431 45843
Colletorto CB 18 1938 47781
San Giovanni in Galdo CB 18 580 48361
Cercemaggiore CB 19 3777 52138
Casalnuovo Monterotaro FG 19 1556 53694
Circello BN 20 2388 56082
Roseto Valfortore FG 20 1074 57156

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of San Severo (53905 inhabitants)
44 Km NE of Benevento (60091 inhabitants)
51 Km W of Foggia (151991 inhabitants)
67 Km N of Avellino (54857 inhabitants)
70 Km NE of Caserta (76326 inhabitants)
78 Km NE of Acerra (59573 inhabitants)
83 Km W of Manfredonia (57279 inhabitants)
83 Km NE of Afragola (65057 inhabitants)
85 Km W of Cerignola (58396 inhabitants)
85 Km NE of Aversa (53047 inhabitants)
86 Km NE of Casoria (77642 inhabitants)
89 Km NE of Giugliano in Campania (122974 inhabitants)
90 Km NE of Portici (55274 inhabitants)
91 Km NE of Scafati (50787 inhabitants)
91 Km N of Cava de' Tirreni (53659 inhabitants)
92 Km NE of Ercolano (53709 inhabitants)
92 Km NE of Marano di Napoli (59874 inhabitants)
93 Km NE of Torre del Greco (86275 inhabitants)
93 Km N of Salerno (135261 inhabitants)
94 Km NE of Napoli (974074 inhabitants)
98 Km NE of Castellammare di Stabia (66466 inhabitants)
100 Km N of Battipaglia (50786 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 1.0 2023-04-19
00:15:28		 41.5045 14.9382 25 2024-03-01
17:18:20		 Bollettino Sismico Italiano INGV 124698361
Reviewed
Rev100 		ML 0.9 2023-04-19
00:15:28		 41.5033 14.9585 19 2023-04-19
02:21:43		 Sala Sismica INGV-Roma 116499991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 00:15:28 ± 0.18
Latitude 41.5045 ± 0.0081
Longitude 14.9382 ± 0.0084
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124698361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 803
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.73565
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 116499991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 02:21:43

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 124698361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-17 16:39:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT12.EHZ. 2023-04-19T00:15:53.11 0.6 undecidable manual S 80 81.6516 101 0.18 45
IV.SGRT.HHZ. 2023-04-19T00:15:50.85 0.6 undecidable manual S 67 72.372 103 0.37 44
IV.APRC.HHN. 2023-04-19T00:15:47.11 0.6 undecidable manual S 61 57.498 106 0.47 44
IV.MRB1.HHZ. 2023-04-19T00:15:43.28 0.6 undecidable manual S 177 42.4242 113 0.42 45
OT.OT12.EHZ. 2023-04-19T00:15:42.92 0.3 undecidable manual P 80 81.6516 101 0.39 64
IV.BSSO.HHZ. 2023-04-19T00:15:40.57 0.6 undecidable manual S 279 28.9488 124 0.88 38
IV.PSB1.HHN. 2023-04-19T00:15:40.69 0.6 undecidable manual S 199 32.9448 120 0.1 49
IV.SGRT.HHZ. 2023-04-19T00:15:40.70 0.3 undecidable manual P 67 72.372 103 -0.42 64
IV.APRC.HHN. 2023-04-19T00:15:39.12 0.1 undecidable manual P 61 57.498 106 0.22 93
OT.OT03.EHE. 2023-04-19T00:15:39.93 0.3 undecidable manual P 68 63.3921 105 0.16 70
IV.VAGA.HHZ. 2023-04-19T00:15:39.33 0.3 undecidable manual P 261 59.3961 106 0.15 69
OT.OT06.EHZ. 2023-04-19T00:15:38.96 0.3 undecidable manual P 70 57.9975 106 -0.02 72
IV.SACR.HHZ. 2023-04-19T00:15:38.40 0.6 undecidable manual S 239 22.6551 132 0.03 51
OT.OT04.EHE. 2023-04-19T00:15:38.82 0.3 undecidable manual P 66 58.3971 106 -0.22 69
IV.MOCO.HHE. 2023-04-19T00:15:38.96 0.6 undecidable manual S 129 23.5542 131 0.41 48
IV.MELA.HHZ. 2023-04-19T00:15:38.60 0.6 undecidable manual S 35 27.2505 126 -0.72 41
IV.CIGN.HHN. 2023-04-19T00:15:38.12 0.6 undecidable manual S 351 16.872 141 0.83 41
IV.SGG.HHN. 2023-04-19T00:15:37.65 0.3 undecidable manual P 254 48.3183 110 0.1 72
IV.MRB1.HHZ. 2023-04-19T00:15:37.07 0.3 undecidable manual P 177 42.4242 113 0.36 69
IV.GATE.HHE. 2023-04-19T00:15:35.55 0.6 undecidable manual S 292 2.4975 173 -0.23 51
IV.BSSO.HHZ. 2023-04-19T00:15:35.14 0.1 undecidable manual P 279 28.9488 124 0.25 96
IV.PSB1.HHN. 2023-04-19T00:15:35.10 0.1 undecidable manual P 199 32.9448 120 -0.3 96
IV.PTRJ.HHZ. 2023-04-19T00:15:35.63 0.3 undecidable manual P 246 37.4292 116 -0.38 70
IV.MELA.HHZ. 2023-04-19T00:15:34.02 0.1 undecidable manual P 35 27.2505 126 -0.65 86
IV.CIGN.HHN. 2023-04-19T00:15:33.99 0.6 undecidable manual P 351 16.872 141 0.49 47
IV.SACR.HHZ. 2023-04-19T00:15:33.67 0.1 undecidable manual P 239 22.6551 132 -0.45 94
IV.MOCO.HHE. 2023-04-19T00:15:33.82 0.1 undecidable manual P 129 23.5542 131 -0.41 94
IV.GATE.HHE. 2023-04-19T00:15:32.32 0.1 undecidable manual P 292 2.4975 173 -0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHN. ML:0.7 0.000023185925 0.24 AML other m 2023-04-19T00:15:38.81
IV.SACR.HHE. ML:0.6 0.00001939601 0.26 AML other m 2023-04-19T00:15:38.00
IV.MELA.HHN. ML:1.3 0.00008524292 0.44 AML other m 2023-04-19T00:15:39.07
IV.MELA.HHE. ML:1.4 0.000105855205 0.04 AML other m 2023-04-19T00:15:39.59
IV.PTRJ.HHE. ML:0.7 0.00001405 0.5 AML other m 2023-04-19T00:15:44.57
IV.PTRJ.HHN. ML:0.7 0.00001255 0.64 AML other m 2023-04-19T00:15:45.46
OT.OT12.EHE. ML:1.1 0.000015202291 0.28 AML other m 2023-04-19T00:15:54.75
OT.OT12.EHN. ML:1.4 0.000034049999999999994 0.5 AML other m 2023-04-19T00:15:54.73
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