Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 28-05-2023 and time 10:02:06 (Italy) in region 2 km N Montagano (CB)

A magnitude ML 1.7 earthquake occured in region: 2 km N Montagano (CB), on

  • 28-05-2023 08:02:06 (UTC)
  • 28-05-2023 10:02:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6640, 14.6780 at 22 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.

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
Montagano CB 2 1086 1086
Petrella Tifernina CB 4 1170 2256
Limosano CB 5 768 3024
Ripalimosani CB 6 3114 6138
Matrice CB 6 1115 7253
Castellino del Biferno CB 6 545 7798
Sant'Angelo Limosano CB 7 352 8150
Lucito CB 8 696 8846
Campolieto CB 8 839 9685
San Biase CB 9 189 9874
Morrone del Sannio CB 10 587 10461
San Giovanni in Galdo CB 10 580 11041
Castelbottaccio CB 10 312 11353
Castropignano CB 11 947 12300
Fossalto CB 11 1345 13645
Ripabottoni CB 11 514 14159
Oratino CB 12 1641 15800
Campobasso CB 12 49431 65231
Lupara CB 12 505 65736
Toro CB 12 1391 67127
Monacilioni CB 13 523 67650
Campodipietra CB 13 2570 70220
Civitacampomarano CB 13 417 70637
Pietracupa CB 13 215 70852
Torella del Sannio CB 13 795 71647
Provvidenti CB 14 119 71766
Ferrazzano CB 15 3344 75110
Casalciprano CB 15 564 75674
Busso CB 15 1273 76947
Molise CB 16 167 77114
Mirabello Sannitico CB 17 2180 79294
Casacalenda CB 17 2135 81429
Salcito CB 17 683 82112
Trivento CB 17 4730 86842
Sant'Elia a Pianisi CB 17 1818 88660
Gildone CB 18 809 89469
Baranello CB 18 2673 92142
Duronia CB 18 405 92547
Guardialfiera CB 18 1065 93612
Castelmauro CB 19 1505 95117
Bagnoli del Trigno IS 19 735 95852
Pietracatella CB 19 1375 97227
Jelsi CB 19 1781 99008
Sant'Elena Sannita IS 20 275 99283

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of San Severo (53905 inhabitants)
60 Km N of Benevento (60091 inhabitants)
72 Km NE of Caserta (76326 inhabitants)
76 Km W of Foggia (151991 inhabitants)
84 Km NE of Acerra (59573 inhabitants)
84 Km N of Avellino (54857 inhabitants)
86 Km NE of Aversa (53047 inhabitants)
87 Km SE of Chieti (51815 inhabitants)
88 Km NE of Afragola (65057 inhabitants)
90 Km NE of Casoria (77642 inhabitants)
91 Km NE of Giugliano in Campania (122974 inhabitants)
94 Km NE of Marano di Napoli (59874 inhabitants)
97 Km SE of Pescara (121014 inhabitants)
97 Km N of Portici (55274 inhabitants)
98 Km NE of Napoli (974074 inhabitants)
99 Km N of Ercolano (53709 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 1.7 2023-05-28
08:02:06		 41.6643 14.6775 22 2023-05-28
08:09:02		 Sala Sismica INGV-Roma 117807431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 08:02:06 ± 0.2
Latitude 41.6643 ± 0.0090
Longitude 14.6775 ± 0.0132
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117807431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1125
Semi-minor axis of confidence ellipse (meter) 374
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 117807431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 08:09:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2023-05-28T08:03:54.06 3.0 undecidable manual Pg 23.280001 0
IV.PLAC.HHZ. 2023-05-28T08:03:47.62 3.0 undecidable manual Sg 10.12 0
1J.FX14.HHZ.00 2023-05-28T08:03:43.34 3.0 undecidable manual Sn -2.8 0
IV.SELL.HHZ. 2023-05-28T08:03:42.54 3.0 undecidable manual Sg 15.06 0
SI.BOSI.HHZ. 2023-05-28T08:03:30.93 3.0 positive manual Pn 6.55 0
IV.OSSC.HHZ. 2023-05-28T08:03:29.61 3.0 undecidable manual Sn 0.1 0
OX.ACOM.HHZ. 2023-05-28T08:03:27.94 3.0 negative manual Pg 9.44 0
IV.RIBO.EHZ.01 2023-05-28T08:03:25.36 3.0 undecidable manual Sn 0.08 0
OX.CIMO.HHZ. 2023-05-28T08:03:20.02 3.0 negative manual Pn 2.17 0
IV.PIPA.HHZ. 2023-05-28T08:03:19.77 3.0 undecidable manual Sn 0.47 0
IV.ARVD.HHZ. 2023-05-28T08:03:17.45 3.0 undecidable manual Sg 9.44 0
GU.POPM.HHZ. 2023-05-28T08:03:15.33 3.0 positive manual Pg 14.23 0
RD.PGF.BHZ. 2023-05-28T08:03:10.00 3.0 undecidable manual Pn 1.43 0
OX.DRE.HHZ. 2023-05-28T08:03:10.19 3.0 undecidable manual Pn -3.04 0
IV.PIPA.HHZ. 2023-05-28T08:02:56.14 3.0 negative manual Pg 9.02 0
IV.PLAC.HHZ. 2023-05-28T08:02:54.57 3.0 positive manual Pn -2.78 0
IT.CSO1.HGZ. 2023-05-28T08:02:49.28 3.0 undecidable manual Sg 6.17 0
CR.STON.BHZ. 2023-05-28T08:02:47.58 3.0 undecidable manual Pn 1.64 0
IV.CESX.HHZ. 2023-05-28T08:02:43.65 3.0 undecidable manual Pg 9.05 0
OT.OT12.EHZ. 2023-05-28T08:02:38.49 3.0 undecidable manual S 1.45 0
IV.INTR.HHZ. 2023-05-28T08:02:28.55 3.0 undecidable manual S -0.53 0
IV.SGRT.HHZ. 2023-05-28T08:02:23.78 3.0 undecidable manual P 1.94 0
IV.PSB1.HHZ. 2023-05-28T08:02:22.68 0.6 undecidable manual S 167 50.1165 105 0.35 45
IV.VAGA.HHZ. 2023-05-28T08:02:21.70 0.6 undecidable manual S 233 46.0206 107 0.43 44
IV.PAOL.HHZ. 2023-05-28T08:02:20.29 3.0 undecidable manual P 2.47 0
IV.CAFE.HHZ. 2023-05-28T08:02:20.70 3.0 undecidable manual P 0.47 0
IV.SGG.HHZ. 2023-05-28T08:02:19.28 0.6 undecidable manual S 219 39.5271 110 -0.35 46
IV.PTRJ.HHZ. 2023-05-28T08:02:18.29 0.6 undecidable manual S 200 35.5422 113 -0.34 46
IV.INTR.HHZ. 2023-05-28T08:02:18.90 3.0 positive manual P -0.01 0
IV.PABO.HHZ. 2023-05-28T08:02:17.20 0.6 undecidable manual S 291 25.8519 122 0.87 38
IT.LRNO.HNE. 2023-05-28T08:02:16.32 0.6 undecidable manual S 52 25.5522 123 0.05 50
IV.LPEL.HHZ. 2023-05-28T08:02:16.82 3.0 negative manual P -0.45 0
IV.SACR.HHZ. 2023-05-28T08:02:16.85 0.6 undecidable manual S 175 29.748 118 -0.38 46
IV.PSB1.HHZ. 2023-05-28T08:02:15.48 0.1 undecidable manual P 167 50.1165 105 0.01 96
IV.CIGN.HHZ. 2023-05-28T08:02:14.54 0.6 undecidable manual S 93 18.87 133 -0.32 47
IV.BSSO.HHZ. 2023-05-28T08:02:14.00 0.6 undecidable manual S 208 14.874 140 -0.12 50
IV.VAGA.HHZ. 2023-05-28T08:02:14.67 0.1 undecidable manual P 233 46.0206 107 -0.19 93
IV.SGG.HHZ. 2023-05-28T08:02:13.60 0.1 undecidable manual P 219 39.5271 110 -0.31 92
IV.MELA.HHZ. 2023-05-28T08:02:13.88 3.0 positive manual P -1.44 0
IV.GATE.HHZ. 2023-05-28T08:02:12.91 0.1 undecidable manual P 131 25.5522 123 0.93 77
IV.SACR.HHZ. 2023-05-28T08:02:12.09 1.0 positive manual P 175 29.748 118 -0.44 23
IV.PABO.HHZ. 2023-05-28T08:02:12.30 0.1 undecidable manual P 291 25.8519 122 0.29 94
IV.PTRJ.HHZ. 2023-05-28T08:02:12.99 1.0 positive manual P 200 35.5422 113 -0.35 23
IT.LRNO.HNE. 2023-05-28T08:02:11.02 0.1 undecidable manual P 52 25.5522 123 -0.96 75
IV.CIGN.HHZ. 2023-05-28T08:02:11.70 0.1 undecidable manual P 93 18.87 133 0.54 91
IV.BSSO.HHZ. 2023-05-28T08:02:10.63 0.1 positive manual P 208 14.874 140 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:1.9 0.00050550315 0.3584 AML other m 2023-05-28T08:02:14.70
IV.BSSO.HNE. ML:1.9 0.0004903365499999999 0.3584 AML other m 2023-05-28T08:02:14.70
IV.SACR.HHE. ML:1.6 0.00015120305 0.1984 AML other m 2023-05-28T08:02:18.07
IV.BSSO.HNN. ML:1.9 0.000528 0.34 AML other m 2023-05-28T08:02:17.47
IV.BSSO.HHN. ML:1.9 0.0005422944 0.3392 AML other m 2023-05-28T08:02:17.47
IV.PABO.HHE. ML:1.2 0.00007714999999999999 0.84 AML other m 2023-05-28T08:02:17.57
IV.PABO.HHN. ML:1.3 0.00009378056 0.5184 AML other m 2023-05-28T08:02:18.21
IV.SACR.HHN. ML:1.4 0.00010489024499999999 0.16 AML other m 2023-05-28T08:02:17.67
IV.GATE.HNN. ML:1.3 0.000088734175 0.2816 AML other m 2023-05-28T08:02:19.27
IV.CIGN.HHE. ML:1.6 0.00024349999999999998 0.4 AML other m 2023-05-28T08:02:19.10
IV.GATE.HHN. ML:1.3 0.00009455 0.3 AML other m 2023-05-28T08:02:19.27
IV.PTRJ.HHE. ML:1.8 0.0002144044 0.3392 AML other m 2023-05-28T08:02:19.14
IV.MELA.HHN. ML:2.0 0.00033682305 0.1408 AML other m 2023-05-28T08:02:20.71
IV.MELA.HHE. ML:1.7 0.00016351109999999998 0.1792 AML other m 2023-05-28T08:02:20.67
IV.PTRJ.HHN. ML:1.6 0.00013000000000000002 0.28 AML other m 2023-05-28T08:02:21.29
IV.CIGN.HHN. ML:1.8 0.0003125 0.42 AML other m 2023-05-28T08:02:22.47
IV.VAGA.HHE. ML:1.5 0.00008810000000000001 0.38 AML other m 2023-05-28T08:02:22.98
IV.GATE.HHE. ML:1.3 0.0000892 1.42 AML other m 2023-05-28T08:02:23.10
IV.SGG.HHN. ML:1.4 0.00007230000000000001 0.38 AML other m 2023-05-28T08:02:25.55
IV.SGG.HHE. ML:1.4 0.00007620874499999999 0.3648 AML other m 2023-05-28T08:02:22.61
IV.VAGA.HHN. ML:1.7 0.0001373264 0.2432 AML other m 2023-05-28T08:02:25.91
IV.LPEL.HHN. ML:1.8 0.0001324044 0.2048 AML other m 2023-05-28T08:02:26.93
IV.LPEL.HHE. ML:1.8 0.00012246995 0.16 AML other m 2023-05-28T08:02:29.53
IV.GATE.HNE. ML:1.4 0.00010589455 0.6528 AML other m 2023-05-28T08:02:27.66
IV.PSB1.HHN. ML:1.3 0.00004640713 0.4992 AML other m 2023-05-28T08:02:28.43
IV.INTR.HHN. ML:1.5 0.000051504395 0.1024 AML other m 2023-05-28T08:02:30.43
IV.PSB1.HHE. ML:1.3 0.000047332679999999994 0.3648 AML other m 2023-05-28T08:02:24.54
IV.PAOL.HHN. ML:1.5 0.000044999999999999996 0.34 AML other m 2023-05-28T08:02:32.36
IV.INTR.HHE. ML:1.4 0.000039489525 0.1408 AML other m 2023-05-28T08:02:32.12
IV.PAOL.HHE. ML:1.5 0.00005105 0.58 AML other m 2023-05-28T08:02:32.13
IV.SACR.HNE. ML:1.6 0.0001569621 0.4288 AML other m 2023-05-28T08:02:17.04
IV.SACR.HNN. ML:1.4 0.00010401888 0.4864 AML other m 2023-05-28T08:02:17.00
IV.PTRJ.HNE. ML:1.7 0.0001801816 0.288 AML other m 2023-05-28T08:02:19.57
IV.PTRJ.HNN. ML:2.2 0.0005198158249999999 0.3648 AML other m 2023-05-28T08:02:22.27
IV.SGG.HNE. ML:1.5 0.00009331618499999999 0.4608 AML other m 2023-05-28T08:02:19.13
IV.SGG.HNN. ML:1.7 0.00014790615000000003 0.7168 AML other m 2023-05-28T08:02:28.25
IV.MELA.HNE. ML:1.7 0.00015635535000000001 0.1984 AML other m 2023-05-28T08:02:20.47
IV.MELA.HNN. ML:2.0 0.00031435599999999996 0.1792 AML other m 2023-05-28T08:02:20.62
IV.VAGA.HNE. ML:1.6 0.0001093786 0.2176 AML other m 2023-05-28T08:02:22.81
IV.VAGA.HNN. ML:1.8 0.00015130084999999998 1.1136 AML other m 2023-05-28T08:02:34.20
IV.PSB1.HNE. ML:2.3 0.00044489579999999995 0.864 AML other m 2023-05-28T08:02:36.93
IV.PSB1.HNN. ML:2.0 0.00022331865 1.0368 AML other m 2023-05-28T08:02:37.46
IV.LPEL.HNE. ML:1.9 0.00014986151000000002 0.4032 AML other m 2023-05-28T08:02:19.29
IV.LPEL.HNN. ML:1.8 0.000123505455 0.1088 AML other m 2023-05-28T08:02:26.93
IV.INTR.HNE. ML:2.0 0.000130319345 0.608 AML other m 2023-05-28T08:02:30.91
IV.INTR.HNN. ML:2.0 0.00012933912 0.4608 AML other m 2023-05-28T08:02:37.38
IV.PAOL.HNE. ML:2.4 0.000369105 0.7424 AML other m 2023-05-28T08:02:25.40
IV.PAOL.HNN. ML:2.5 0.0005142324 1.056 AML other m 2023-05-28T08:02:32.14
IV.CAFE.HHE. ML:1.3 0.000026161364999999997 0.2176 AML other m 2023-05-28T08:02:33.90
IV.CAFE.HHN. ML:1.5 0.00003462525 1.44 AML other m 2023-05-28T08:02:47.39
IV.CAFE.HNE. ML:1.6 0.00005008927499999999 1.2224 AML other m 2023-05-28T08:02:46.44
IV.CAFE.HNN. ML:1.6 0.00005219968499999999 1.0176 AML other m 2023-05-28T08:02:43.16
IV.SGRT.HHE. ML:1.8 0.00006418868 0.224 AML other m 2023-05-28T08:02:36.92
IV.SGRT.HHN. ML:1.6 0.00004866184 1.3824 AML other m 2023-05-28T08:02:59.98
IV.SGRT.HNE. ML:1.7 0.000060496335 0.2048 AML other m 2023-05-28T08:02:36.93
IV.SGRT.HNN. ML:1.8 0.00006647180550000001 0.96 AML other m 2023-05-28T08:02:32.97
CR.STON.BHE. ML:2.2 0.000023644815 1.4784 AML other m 2023-05-28T08:03:51.74
CR.STON.BHN. ML:2.2 0.000018050814999999998 1.12 AML other m 2023-05-28T08:03:01.04
IV.PLAC.HNE. ML:3.4 0.00015670905 1.2992 AML other m 2023-05-28T08:03:44.04
IV.PLAC.HNN. ML:3.4 0.00016385349999999997 1.8432 AML other m 2023-05-28T08:04:14.45
IV.PLAC.HHE. ML:2.2 0.000012233455000000001 0.7808 AML other m 2023-05-28T08:04:21.59
IV.PLAC.HHN. ML:2.4 0.000015237065 1.1776 AML other m 2023-05-28T08:04:13.37
IV.PIPA.HNE. ML:3.0 0.00013638375 0.896 AML other m 2023-05-28T08:03:14.06
IV.PIPA.HNN. ML:3.2 0.00020288575 1.3696 AML other m 2023-05-28T08:03:43.51
IV.PIPA.HHE. ML:1.9 0.000010667761999999999 0.4736 AML other m 2023-05-28T08:03:46.32
IV.PIPA.HHN. ML:1.9 0.00001032996 0.1216 AML other m 2023-05-28T08:03:04.78
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