Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 19-05-2023 and time 14:21:37 (Italy) in region 2 km W Montagano (CB)

A magnitude ML 1.9 earthquake occured in region: 2 km W Montagano (CB), on

  • 19-05-2023 12:21:37 (UTC)
  • 19-05-2023 14:21:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6510, 14.6450 at 25 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
Montagano CB 3 1086 1086
Limosano CB 4 768 1854
Ripalimosani CB 5 3114 4968
Sant'Angelo Limosano CB 6 352 5320
Petrella Tifernina CB 6 1170 6490
Matrice CB 7 1115 7605
Castropignano CB 8 947 8552
San Biase CB 9 189 8741
Fossalto CB 9 1345 10086
Oratino CB 9 1641 11727
Castellino del Biferno CB 9 545 12272
Lucito CB 10 696 12968
Campolieto CB 10 839 13807
Torella del Sannio CB 10 795 14602
Campobasso CB 10 49431 64033
Pietracupa CB 11 215 64248
San Giovanni in Galdo CB 11 580 64828
Casalciprano CB 12 564 65392
Busso CB 13 1273 66665
Castelbottaccio CB 13 312 66977
Molise CB 13 167 67144
Morrone del Sannio CB 13 587 67731
Toro CB 13 1391 69122
Campodipietra CB 13 2570 71692
Ferrazzano CB 14 3344 75036
Ripabottoni CB 14 514 75550
Monacilioni CB 15 523 76073
Lupara CB 15 505 76578
Civitacampomarano CB 15 417 76995
Mirabello Sannitico CB 15 2180 79175
Baranello CB 15 2673 81848
Duronia CB 15 405 82253
Salcito CB 16 683 82936
Sant'Elena Sannita IS 17 275 83211
Bagnoli del Trigno IS 17 735 83946
Provvidenti CB 17 119 84065
Trivento CB 17 4730 88795
Frosolone IS 17 3170 91965
Gildone CB 18 809 92774
Spinete CB 18 1320 94094
Vinchiaturo CB 18 3324 97418
Colle d'Anchise CB 19 807 98225
Jelsi CB 19 1781 100006
Sant'Elia a Pianisi CB 19 1818 101824
Casacalenda CB 20 2135 103959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km N of Benevento (60091 inhabitants)
61 Km W of San Severo (53905 inhabitants)
69 Km NE of Caserta (76326 inhabitants)
78 Km W of Foggia (151991 inhabitants)
82 Km N of Acerra (59573 inhabitants)
83 Km N of Avellino (54857 inhabitants)
84 Km NE of Aversa (53047 inhabitants)
86 Km NE of Afragola (65057 inhabitants)
87 Km SE of Chieti (51815 inhabitants)
88 Km NE of Casoria (77642 inhabitants)
88 Km NE of Giugliano in Campania (122974 inhabitants)
92 Km NE of Marano di Napoli (59874 inhabitants)
95 Km N of Portici (55274 inhabitants)
96 Km NE of Napoli (974074 inhabitants)
97 Km N of Ercolano (53709 inhabitants)
97 Km SE of Pescara (121014 inhabitants)
99 Km N of Torre del Greco (86275 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 1.9 2023-05-19
12:21:37		 41.651 14.6453 25 2023-05-19
12:31:53		 Sala Sismica INGV-Roma 117489961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-19 12:21:37 ± 0.26
Latitude 41.6510 ± 0.0099
Longitude 14.6453 ± 0.0156
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117489961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1325
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74644
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 117489961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-19 12:31:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-05-19T12:22:29.77 3.0 negative manual Pg 10.45 0
IV.RCAV.EHZ. 2023-05-19T12:22:20.01 3.0 undecidable manual S 2.94 0
OT.OT12.EHZ. 2023-05-19T12:22:09.24 3.0 undecidable manual S -0.76 0
IV.SGRT.HHZ. 2023-05-19T12:22:07.31 3.0 undecidable manual S 0.17 0
IV.ARRO.EHZ. 2023-05-19T12:22:04.89 3.0 undecidable manual Pn -0.12 0
IV.FAGN.HHZ. 2023-05-19T12:21:57.68 3.0 undecidable manual P 1.94 0
IV.MOCO.HHZ. 2023-05-19T12:21:54.99 1.0 undecidable manual S 126 52.8027 109 0.78 19
IV.SGRT.HHZ. 2023-05-19T12:21:54.43 3.0 negative manual P 0.43 0
IV.VITU.HHZ. 2023-05-19T12:21:54.70 0.6 undecidable manual S 181 51.9036 109 0.71 41
OT.OT12.EHZ. 2023-05-19T12:21:53.55 3.0 positive manual P -2.06 0
IV.PSB1.HHZ. 2023-05-19T12:21:53.42 0.6 undecidable manual S 164 49.4172 110 0.07 49
IV.T0110.HHZ. 2023-05-19T12:21:52.98 3.0 positive manual P -0.95 0
IV.RNI2.HHZ. 2023-05-19T12:21:51.85 0.6 undecidable manual S 278 41.2254 114 0.51 45
IV.SGTA.HHZ. 2023-05-19T12:21:51.33 0.3 negative manual P 133 82.8504 101 -0.12 69
IV.SGG.HHZ. 2023-05-19T12:21:50.62 0.6 undecidable manual S 217 36.741 118 0.37 47
IV.PTRJ.HHZ. 2023-05-19T12:21:49.20 0.3 undecidable manual S 197 33.2445 120 -0.25 72
IV.INTR.HHZ. 2023-05-19T12:21:49.67 3.0 negative manual P -0.55 0
IV.GATE.HHZ. 2023-05-19T12:21:49.10 0.6 undecidable manual S 125 26.751 127 1.1 35
IV.VITU.HHZ. 2023-05-19T12:21:47.57 1.0 undecidable manual P 181 51.9036 109 0.74 20
IV.LPEL.HHZ. 2023-05-19T12:21:47.63 3.0 positive manual P -0.21 0
IV.PABO.HHN. 2023-05-19T12:21:47.94 0.6 undecidable manual S 297 23.9538 131 0.52 46
IV.SACR.HHZ. 2023-05-19T12:21:47.82 0.6 undecidable manual S 170 28.5492 125 -0.57 45
IV.MOCO.HHZ. 2023-05-19T12:21:47.72 0.6 negative manual P 126 52.8027 109 0.76 39
IV.PSB1.HHZ. 2023-05-19T12:21:46.19 1.0 undecidable manual P 164 49.4172 110 -0.27 23
IV.RNI2.HHZ. 2023-05-19T12:21:45.45 1.0 undecidable manual P 278 41.2254 114 0.15 24
IV.VAGA.HHZ. 2023-05-19T12:21:45.55 0.1 positive manual P 233 43.0236 113 0 100
IV.BSSO.HHZ. 2023-05-19T12:21:45.07 0.6 undecidable manual S 200 12.3765 150 -0.37 49
IV.PTRJ.HHZ. 2023-05-19T12:21:44.07 0.6 negative manual P 197 33.2445 120 -0.14 50
IV.SGG.HHZ. 2023-05-19T12:21:44.51 0.3 undecidable manual P 217 36.741 118 -0.16 73
IT.MCLF.HNE. 2023-05-19T12:21:43.23 0.3 undecidable manual P 30 32.0457 122 -0.81 63
IV.GATE.HHZ. 2023-05-19T12:21:43.93 0.3 undecidable manual P 125 26.751 127 0.55 67
IV.PABO.HHN. 2023-05-19T12:21:43.13 0.6 undecidable manual P 297 23.9538 131 0.09 50
IV.SACR.HHZ. 2023-05-19T12:21:42.98 0.1 negative manual P 170 28.5492 125 -0.62 89
IV.BSSO.HHZ. 2023-05-19T12:21:41.44 0.1 positive manual P 200 12.3765 150 -0.45 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:2.5 0.0016749999999999998 0.38 AML other m 2023-05-19T12:21:45.26
IV.BSSO.HHN. ML:2.4 0.00147 0.4 AML other m 2023-05-19T12:21:45.74
IV.SGG.HNN. ML:3.2 0.005005 0.56 AML other m 2023-05-19T12:21:46.84
IV.SGG.HNE. ML:3.2 0.00481 0.56 AML other m 2023-05-19T12:21:46.84
IV.SACR.HHE. ML:1.7 0.00020400000000000003 1.54 AML other m 2023-05-19T12:21:47.93
IV.SACR.HHN. ML:1.6 0.0001585 0.52 AML other m 2023-05-19T12:21:48.72
IV.PTRJ.HHE. ML:2.1 0.000409 1.24 AML other m 2023-05-19T12:21:50.99
IV.GATE.HHE. ML:1.8 0.0002375 0.22 AML other m 2023-05-19T12:21:50.40
IV.GATE.HNE. ML:1.8 0.00023549999999999998 0.22 AML other m 2023-05-19T12:21:50.51
IV.GATE.HHN. ML:1.7 0.000187 0.8 AML other m 2023-05-19T12:21:50.65
IV.GATE.HNN. ML:1.7 0.000185 0.8 AML other m 2023-05-19T12:21:50.65
IV.PTRJ.HHN. ML:1.8 0.00023850000000000002 1.4 AML other m 2023-05-19T12:21:51.97
IV.RNI2.HHE. ML:2.0 0.00028849999999999997 0.16 AML other m 2023-05-19T12:21:53.10
IV.RNI2.HNE. ML:2.0 0.0002705 0.16 AML other m 2023-05-19T12:21:53.02
IV.RNI2.HNN. ML:2.0 0.000273 0.18 AML other m 2023-05-19T12:21:53.18
IV.RNI2.HHN. ML:2.0 0.00028149999999999996 0.18 AML other m 2023-05-19T12:21:53.09
IV.SGG.HHN. ML:1.8 0.00018099999999999998 0.4 AML other m 2023-05-19T12:21:53.58
IV.SGG.HHE. ML:1.8 0.0001815 0.76 AML other m 2023-05-19T12:21:53.67
IV.PSB1.HHE. ML:1.3 0.00004725 1.44 AML other m 2023-05-19T12:21:55.07
IV.VAGA.HHE. ML:1.6 0.000111 0.9 AML other m 2023-05-19T12:21:57.93
IV.LPEL.HHE. ML:2.1 0.00022899999999999998 0.22 AML other m 2023-05-19T12:21:58.14
IV.LPEL.HHN. ML:2.2 0.0002925 0.14 AML other m 2023-05-19T12:21:58.29
IV.LPEL.HNN. ML:2.2 0.00034 0.72 AML other m 2023-05-19T12:21:58.23
IV.LPEL.HNE. ML:2.2 0.000307 0.74 AML other m 2023-05-19T12:21:58.04
IV.VAGA.HHN. ML:1.8 0.00015550000000000004 1.18 AML other m 2023-05-19T12:21:58.74
IV.VITU.HHE. ML:1.8 0.000142 1.04 AML other m 2023-05-19T12:21:59.05
IV.INTR.HHE. ML:1.8 0.00010449999999999999 0.68 AML other m 2023-05-19T12:22:00.44
IV.INTR.HHN. ML:1.9 0.0001185 0.14 AML other m 2023-05-19T12:22:01.18
IV.PSB1.HHN. ML:1.4 0.000055900000000000004 0.52 AML other m 2023-05-19T12:22:01.88
IV.VITU.HHN. ML:1.9 0.0001595 0.3 AML other m 2023-05-19T12:22:02.91
IV.SGRT.HHE. ML:1.9 0.00008915000000000001 0.24 AML other m 2023-05-19T12:22:07.83
IV.FAGN.HHE. ML:2.9 0.0006630000000000001 1.44 AML other m 2023-05-19T12:22:08.10
IV.T0110.HHN. ML:1.8 0.0000708 0.66 AML other m 2023-05-19T12:22:09.56
IV.SGRT.HHN. ML:1.8 0.00006465 0.78 AML other m 2023-05-19T12:22:09.74
OT.OT12.EHN. ML:2.0 0.0000948 1.68 AML other m 2023-05-19T12:22:09.02
OT.OT12.EHE. ML:2.0 0.00008065 0.28 AML other m 2023-05-19T12:22:09.90
IV.T0110.HHE. ML:1.8 0.0000582 0.42 AML other m 2023-05-19T12:22:15.52
IV.FAGN.HHN. ML:2.8 0.000494 0.26 AML other m 2023-05-19T12:22:24.32
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