Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 05-05-2023 and time 05:41:37 (Italy) in region 2 km N Melito Irpino (AV)

A magnitude ML 1.7 earthquake occured in region: 2 km N Melito Irpino (AV), on

  • 05-05-2023 03:41:37 (UTC)
  • 05-05-2023 05:41:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1250, 15.0580 at 21 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
Melito Irpino AV 2 1920 1920
Ariano Irpino AV 4 22700 24620
Bonito AV 5 2448 27068
Grottaminarda AV 6 8137 35205
Montecalvo Irpino AV 8 3725 38930
Villanova del Battista AV 9 1690 40620
Flumeri AV 10 2963 43583
Apice BN 11 5686 49269
Mirabella Eclano AV 11 7684 56953
Sant'Arcangelo Trimonte BN 11 573 57526
Fontanarosa AV 12 3170 60696
Zungoli AV 12 1099 61795
Sturno AV 12 3080 64875
Buonalbergo BN 13 1730 66605
Frigento AV 13 3780 70385
Casalbore AV 13 1800 72185
Gesualdo AV 13 3516 75701
San Sossio Baronia AV 14 1643 77344
San Nicola Baronia AV 14 771 78115
Castel Baronia AV 14 1129 79244
Sant'Angelo all'Esca AV 14 801 80045
Venticano AV 15 2537 82582
Paduli BN 15 3978 86560
Savignano Irpino AV 15 1140 87700
Taurasi AV 16 2377 90077
Luogosano AV 16 1187 91264
Carife AV 17 1408 92672
Torre Le Nocelle AV 17 1324 93996
Greci AV 17 691 94687
Paternopoli AV 17 2384 97071
Trevico AV 17 993 98064
Calvi BN 17 2682 100746
Pietradefusi AV 17 2348 103094
Villamaina AV 17 995 104089
Ginestra degli Schiavoni BN 17 476 104565
Monteleone di Puglia FG 18 1021 105586
Vallesaccarda AV 18 1386 106972
Montemiletto AV 18 5313 112285
Lapio AV 18 1572 113857
San Giorgio del Sannio BN 18 10022 123879
San Nazzaro BN 19 884 124763
Vallata AV 19 2714 127477
Pietrelcina BN 19 3114 130591
Castelfranco in Miscano BN 19 916 131507
Montefusco AV 20 1338 132845
Anzano di Puglia FG 20 1284 134129
San Mango sul Calore AV 20 1185 135314
San Martino Sannita BN 20 1230 136544

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Benevento (60091 inhabitants)
32 Km NE of Avellino (54857 inhabitants)
55 Km SW of Foggia (151991 inhabitants)
56 Km NE of Salerno (135261 inhabitants)
56 Km NE of Cava de' Tirreni (53659 inhabitants)
58 Km N of Battipaglia (50786 inhabitants)
61 Km E of Acerra (59573 inhabitants)
61 Km E of Caserta (76326 inhabitants)
61 Km NE of Scafati (50787 inhabitants)
67 Km E of Afragola (65057 inhabitants)
68 Km NE of Portici (55274 inhabitants)
68 Km SW of San Severo (53905 inhabitants)
68 Km NE of Castellammare di Stabia (66466 inhabitants)
69 Km E of Casoria (77642 inhabitants)
69 Km NE of Torre del Greco (86275 inhabitants)
69 Km NE of Ercolano (53709 inhabitants)
73 Km W of Cerignola (58396 inhabitants)
73 Km E of Aversa (53047 inhabitants)
75 Km E of Napoli (974074 inhabitants)
75 Km E of Giugliano in Campania (122974 inhabitants)
77 Km E of Marano di Napoli (59874 inhabitants)
83 Km NW of Potenza (67122 inhabitants)
87 Km E of Pozzuoli (81661 inhabitants)
91 Km SW of Manfredonia (57279 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 2023-05-05
03:41:37		 41.1253 15.0583 21 2023-05-05
04:08:46		 Sala Sismica INGV-Roma 117037181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-05 03:41:37 ± 0.1
Latitude 41.1253 ± 0.0063
Longitude 15.0583 ± 0.0096
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117037181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 705
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58276
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 117037181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-05 04:08:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-05-05T03:42:44.62 3.0 undecidable manual Sn 3.88 0
IV.FIAM.HHZ. 2023-05-05T03:42:38.50 3.0 undecidable manual Sg 6.59 0
IV.SALB.HHZ. 2023-05-05T03:42:23.89 3.0 undecidable manual Sn -1.58 0
IV.MRVN.HHZ. 2023-05-05T03:42:07.22 3.0 undecidable manual S -0.34 0
IV.SGRT.HHZ. 2023-05-05T03:42:05.20 3.0 undecidable manual S -1.08 0
IV.BULG.HHZ. 2023-05-05T03:42:01.27 3.0 negative manual P 3.64 0
IV.MRVN.HHZ. 2023-05-05T03:41:55.03 3.0 negative manual P 0.48 0
IV.SGRT.HHZ. 2023-05-05T03:41:55.03 3.0 negative manual P 1.2 0
IV.PIGN.HHZ. 2023-05-05T03:41:53.49 3.0 positive manual P 1.87 0
IV.PALZ.HHZ. 2023-05-05T03:41:52.67 3.0 negative manual P 0.61 0
IV.MCRV.HHZ. 2023-05-05T03:41:51.31 0.6 undecidable manual S 166 39.1275 109 0.02 48
IV.CIGN.HHZ. 2023-05-05T03:41:49.14 1.0 undecidable manual P 348 59.9955 102 0.39 22
IV.MOCO.HHZ. 2023-05-05T03:41:49.02 0.6 undecidable manual S 17 28.3494 118 0.36 46
IV.MELA.HHZ. 2023-05-05T03:41:48.61 0.6 positive manual P 5 64.6908 101 -0.84 36
IV.SNAL.HHZ. 2023-05-05T03:41:48.19 0.6 undecidable manual S 150 25.5522 121 0.19 48
IV.BSSO.HHZ. 2023-05-05T03:41:48.88 0.1 undecidable manual P 320 60.5949 101 0.04 92
IV.MRLC.HHZ. 2023-05-05T03:41:47.96 0.1 undecidable manual P 138 54.6009 103 0.03 93
IV.PTRJ.HHZ. 2023-05-05T03:41:47.23 0.1 undecidable manual P 301 51.5151 104 -0.24 91
IV.PSB1.HHZ. 2023-05-05T03:41:47.38 0.6 undecidable manual S 298 23.3544 124 -0.13 48
IV.CAFE.HHZ. 2023-05-05T03:41:46.29 0.6 undecidable manual S 126 18.3705 132 -0.18 48
IV.GATE.HHZ. 2023-05-05T03:41:46.98 0.6 positive manual P 344 44.7219 107 0.51 43
IV.MCRV.HHZ. 2023-05-05T03:41:45.69 0.3 negative manual P 166 39.1275 109 0.05 72
IV.SACR.HHZ. 2023-05-05T03:41:45.87 0.6 negative manual P 316 42.1245 108 -0.21 46
IV.VITU.HHZ. 2023-05-05T03:41:45.68 0.3 positive manual P 280 36.3414 111 0.44 67
IV.MRB1.HHZ. 2023-05-05T03:41:44.77 0.3 undecidable manual S 268 7.4814 157 0 76
IV.MOCO.HHZ. 2023-05-05T03:41:44.33 0.3 negative manual P 17 28.3494 118 0.2 71
IV.PSB1.HHZ. 2023-05-05T03:41:43.46 0.1 positive manual P 298 23.3544 124 0 100
IV.SGTA.HHZ. 2023-05-05T03:41:43.67 0.1 positive manual P 88 25.6521 121 -0.09 97
IV.SNAL.HHZ. 2023-05-05T03:41:43.71 0.1 positive manual P 150 25.5522 121 -0.03 99
IV.CAFE.HHZ. 2023-05-05T03:41:42.74 0.1 negative manual P 126 18.3705 132 -0.12 98
IV.MRB1.HHZ. 2023-05-05T03:41:41.78 0.1 positive manual P 268 7.4814 157 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRB1.HHN. ML:2.3 0.001395 1.78 AML other m 2023-05-05T03:41:45.08
IV.MRB1.HNE. ML:2.4 0.0019950000000000002 0.74 AML other m 2023-05-05T03:41:45.06
IV.MRB1.HHE. ML:2.4 0.002055 0.76 AML other m 2023-05-05T03:41:45.05
IV.CAFE.HNN. ML:2.1 0.0007589999999999999 0.26 AML other m 2023-05-05T03:41:46.76
IV.CAFE.HHN. ML:2.2 0.0009015 0.26 AML other m 2023-05-05T03:41:46.76
IV.CAFE.HNE. ML:2.6 0.0024850000000000002 0.3 AML other m 2023-05-05T03:41:46.77
IV.CAFE.HHE. ML:2.6 0.0025150000000000003 0.32 AML other m 2023-05-05T03:41:46.77
IV.PSB1.HHN. ML:1.7 0.0002615 1.38 AML other m 2023-05-05T03:41:47.11
IV.MRB1.HNN. ML:2.2 0.001335 0.66 AML other m 2023-05-05T03:41:47.95
IV.SNAL.HNN. ML:1.9 0.00032950000000000004 0.66 AML other m 2023-05-05T03:41:48.31
IV.SNAL.HHN. ML:1.9 0.000345 0.66 AML other m 2023-05-05T03:41:48.31
IV.SNAL.HNE. ML:1.7 0.00022250000000000001 1.06 AML other m 2023-05-05T03:41:48.84
IV.SNAL.HHE. ML:1.7 0.00021100000000000003 0.84 AML other m 2023-05-05T03:41:48.85
IV.SGTA.HHN. ML:1.6 0.0001855 0.4 AML other m 2023-05-05T03:41:49.07
IV.PSB1.HHE. ML:1.8 0.0003235 0.42 AML other m 2023-05-05T03:41:49.59
IV.MOCO.HHE. ML:1.6 0.00017199999999999998 0.4 AML other m 2023-05-05T03:41:49.46
IV.MOCO.HHN. ML:1.3 0.00009224999999999999 0.54 AML other m 2023-05-05T03:41:49.48
IV.SGTA.HHE. ML:1.7 0.00022649999999999998 0.9 AML other m 2023-05-05T03:41:49.44
IV.MOCO.HNN. ML:1.6 0.00018099999999999998 0.4 AML other m 2023-05-05T03:41:52.58
IV.MOCO.HNE. ML:1.7 0.000202 0.4 AML other m 2023-05-05T03:41:52.73
IV.MCRV.HHN. ML:1.8 0.000214 1.02 AML other m 2023-05-05T03:41:52.31
IV.SACR.HHE. ML:1.4 0.000063 0.28 AML other m 2023-05-05T03:41:52.92
IV.MCRV.HHE. ML:1.7 0.00014299999999999998 0.14 AML other m 2023-05-05T03:41:53.24
IV.VITU.HHN. ML:1.8 0.000207 0.36 AML other m 2023-05-05T03:41:54.53
IV.SACR.HHN. ML:1.4 0.0000707 1.02 AML other m 2023-05-05T03:41:55.00
IV.VITU.HHE. ML:1.7 0.00016999999999999999 0.74 AML other m 2023-05-05T03:41:56.00
IV.GATE.HHE. ML:1.4 0.0000679 1.42 AML other m 2023-05-05T03:41:56.77
IV.PTRJ.HHE. ML:1.5 0.00007285 0.72 AML other m 2023-05-05T03:41:57.20
IV.GATE.HHN. ML:1.4 0.00007705 0.82 AML other m 2023-05-05T03:41:58.44
IV.GATE.HNE. ML:1.5 0.0000808 0.9 AML other m 2023-05-05T03:41:59.26
IV.PTRJ.HHN. ML:1.5 0.0000785 0.86 AML other m 2023-05-05T03:41:59.52
IV.GATE.HNN. ML:1.5 0.00008299999999999998 0.74 AML other m 2023-05-05T03:42:00.54
IV.MELA.HHE. ML:1.8 0.0001225 1.1 AML other m 2023-05-05T03:42:02.02
IV.PIGN.HHN. ML:1.8 0.0001029 0.56 AML other m 2023-05-05T03:42:05.52
IV.PIGN.HHE. ML:1.6 0.00006720000000000001 0.74 AML other m 2023-05-05T03:42:05.82
IV.SGRT.HHN. ML:2.2 0.00016 0.58 AML other m 2023-05-05T03:42:07.15
IV.MELA.HHN. ML:1.7 0.00009204999999999999 0.68 AML other m 2023-05-05T03:42:07.52
IV.SGRT.HHE. ML:2.3 0.00021300000000000003 0.2 AML other m 2023-05-05T03:42:08.11
IV.MRVN.HHN. ML:1.6 0.0000395 1.42 AML other m 2023-05-05T03:42:08.06
IV.MRVN.HHE. ML:1.6 0.00004 1.24 AML other m 2023-05-05T03:42:08.76
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