Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 07-05-2023 and time 00:07:40 (UTC) in region 2 km N Melito Irpino (AV)

A magnitude ML 2.1 earthquake occured in region: 2 km N Melito Irpino (AV), on

  • 07-05-2023 00:07:40 (UTC)
  • 07-05-2023 02:07:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1190, 15.0530 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
Bonito AV 5 2448 4368
Ariano Irpino AV 5 22700 27068
Grottaminarda AV 5 8137 35205
Montecalvo Irpino AV 9 3725 38930
Villanova del Battista AV 9 1690 40620
Flumeri AV 10 2963 43583
Mirabella Eclano AV 10 7684 51267
Apice BN 10 5686 56953
Sant'Arcangelo Trimonte BN 11 573 57526
Fontanarosa AV 11 3170 60696
Sturno AV 12 3080 63776
Frigento AV 12 3780 67556
Gesualdo AV 13 3516 71072
Zungoli AV 13 1099 72171
Buonalbergo BN 13 1730 73901
Sant'Angelo all'Esca AV 13 801 74702
Casalbore AV 14 1800 76502
Venticano AV 14 2537 79039
San Sossio Baronia AV 14 1643 80682
San Nicola Baronia AV 14 771 81453
Castel Baronia AV 14 1129 82582
Taurasi AV 15 2377 84959
Paduli BN 15 3978 88937
Luogosano AV 15 1187 90124
Torre Le Nocelle AV 16 1324 91448
Paternopoli AV 16 2384 93832
Savignano Irpino AV 16 1140 94972
Calvi BN 16 2682 97654
Pietradefusi AV 16 2348 100002
Carife AV 17 1408 101410
Villamaina AV 17 995 102405
Trevico AV 17 993 103398
Montemiletto AV 17 5313 108711
Lapio AV 17 1572 110283
Greci AV 18 691 110974
San Giorgio del Sannio BN 18 10022 120996
Vallesaccarda AV 18 1386 122382
Ginestra degli Schiavoni BN 18 476 122858
San Nazzaro BN 18 884 123742
Monteleone di Puglia FG 18 1021 124763
Montefusco AV 19 1338 126101
San Mango sul Calore AV 19 1185 127286
Vallata AV 19 2714 130000
San Martino Sannita BN 19 1230 131230
Pietrelcina BN 19 3114 134344
San Nicola Manfredi BN 20 3722 138066
Castelfranco in Miscano BN 20 916 138982

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Benevento (60091 inhabitants)
31 Km NE of Avellino (54857 inhabitants)
55 Km NE of Salerno (135261 inhabitants)
55 Km NE of Cava de' Tirreni (53659 inhabitants)
56 Km SW of Foggia (151991 inhabitants)
57 Km N of Battipaglia (50786 inhabitants)
60 Km E of Acerra (59573 inhabitants)
60 Km NE of Scafati (50787 inhabitants)
61 Km E of Caserta (76326 inhabitants)
66 Km E of Afragola (65057 inhabitants)
67 Km NE of Portici (55274 inhabitants)
67 Km NE of Castellammare di Stabia (66466 inhabitants)
68 Km E of Casoria (77642 inhabitants)
68 Km NE of Torre del Greco (86275 inhabitants)
69 Km NE of Ercolano (53709 inhabitants)
69 Km SW of San Severo (53905 inhabitants)
73 Km E of Aversa (53047 inhabitants)
73 Km W of Cerignola (58396 inhabitants)
74 Km E of Napoli (974074 inhabitants)
74 Km E of Giugliano in Campania (122974 inhabitants)
76 Km E of Marano di Napoli (59874 inhabitants)
83 Km NW of Potenza (67122 inhabitants)
86 Km E of Pozzuoli (81661 inhabitants)
92 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 2.1 2023-05-07
00:07:40		 41.119 15.0528 21 2023-05-07
00:24:20		 Sala Sismica INGV-Roma 117103441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-07 00:07:40 ± 0.12
Latitude 41.1190 ± 0.0045
Longitude 15.0528 ± 0.0084
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 117103441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 727
Semi-minor axis of confidence ellipse (meter) 173
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82108
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 67
Type of magnitude ML
Reference to an origin 117103441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-07 00:24:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-05-07T00:08:49.84 3.0 undecidable manual Sg 3.81 0
IV.CSP1.EHZ. 2023-05-07T00:08:22.42 3.0 negative manual Pn 1.8 0
IV.MF5.EHZ. 2023-05-07T00:08:20.06 3.0 positive manual Pg 2.08 0
OT.OT14.EHZ. 2023-05-07T00:08:14.57 3.0 undecidable manual S -0.81 0
IV.SGRT.HHZ. 2023-05-07T00:08:08.52 0.3 undecidable manual S 39 90.9423 97 0.74 52
OT.OT12.EHZ. 2023-05-07T00:08:07.51 0.3 undecidable manual S 51 91.1421 97 -0.31 61
IV.PALZ.HHZ. 2023-05-07T00:08:06.04 3.0 undecidable manual S 0
IV.INTR.HHZ. 2023-05-07T00:08:06.29 3.0 negative manual P 1.53 0
IV.MIGL.HHZ. 2023-05-07T00:08:04.77 3.0 negative manual P 1.26 0
IV.MGR.HHZ. 2023-05-07T00:08:03.07 3.0 undecidable manual P 0.75 0
IV.CERA.HHZ. 2023-05-07T00:08:01.31 3.0 positive manual P 1.37 0
OT.OT14.EHZ. 2023-05-07T00:08:00.37 3.0 negative manual P -0.19 0
IV.CIGN.HHZ. 2023-05-07T00:08:00.26 0.6 undecidable manual S 348 60.5949 101 0.48 42
IV.MELA.HHZ. 2023-05-07T00:08:00.36 0.3 undecidable manual S 5 65.3901 100 -0.67 57
IV.SLCN.HHZ. 2023-05-07T00:07:58.90 3.0 undecidable manual P 0.28 0
IV.MRVN.HHZ. 2023-05-07T00:07:57.48 3.0 undecidable manual P -0.67 0
OT.OT12.EHZ. 2023-05-07T00:07:56.72 0.1 undecidable manual P 51 91.1421 97 0.28 81
IV.SGRT.HHZ. 2023-05-07T00:07:55.85 0.3 undecidable manual P 39 90.9423 97 -0.57 57
IV.PIGN.HHZ. 2023-05-07T00:07:55.87 3.0 negative manual P 0.25 0
IV.ACER.HHZ. 2023-05-07T00:07:55.55 0.3 undecidable manual P 116 83.1501 98 0.32 61
IV.VTIR.HHZ. 2023-05-07T00:07:54.56 3.0 negative manual P 0.45 0
IV.SGG.HHZ. 2023-05-07T00:07:53.09 3.0 positive manual P -0.62 0
OT.OT05.EHZ. 2023-05-07T00:07:53.49 0.3 undecidable manual P 37 75.369 99 -0.55 59
IV.PALZ.HHZ. 2023-05-07T00:07:53.85 3.0 undecidable manual P -1.5 0
IV.MCRV.HHZ. 2023-05-07T00:07:53.89 0.3 undecidable manual S 165 38.5281 109 -0.2 69
IX.NSC3.EHZ.02 2023-05-07T00:07:52.43 0.3 undecidable manual S 169 30.747 115 0.27 68
IV.CIGN.HHZ. 2023-05-07T00:07:52.13 0.1 undecidable manual P 348 60.5949 101 0.33 86
IV.MELA.HHZ. 2023-05-07T00:07:51.71 0.6 positive manual P 5 65.3901 100 -0.81 36
IV.BSSO.HHZ. 2023-05-07T00:07:51.80 3.0 negative manual P -1.12 0
IV.MOCO.HHZ. 2023-05-07T00:07:51.90 0.3 undecidable manual S 17 29.1486 117 0.12 71
IV.PTRJ.HHZ. 2023-05-07T00:07:50.41 3.0 negative manual P -1.23 0
IV.VULT.HHZ. 2023-05-07T00:07:50.43 0.1 undecidable manual P 111 50.5161 104 0.15 90
IV.PSB1.HHZ. 2023-05-07T00:07:50.26 0.3 undecidable manual S 300 23.2545 124 -0.17 70
IV.MRLC.HHZ. 2023-05-07T00:07:50.81 0.1 undecidable manual P 138 54.3012 103 -0.04 93
IV.PAOL.HHZ. 2023-05-07T00:07:50.10 3.0 negative manual P -0.38 0
IV.GATE.HHZ. 2023-05-07T00:07:49.89 0.3 undecidable manual P 345 45.3213 106 0.39 65
IV.CAFE.HHZ. 2023-05-07T00:07:49.19 0.3 undecidable manual S 123 18.3705 132 -0.2 72
IV.MCRV.HHZ. 2023-05-07T00:07:48.41 0.1 undecidable manual P 165 38.5281 109 -0.1 94
IV.SACR.HHZ. 2023-05-07T00:07:48.78 3.0 positive manual P -1.12 0
IV.VITU.HHZ. 2023-05-07T00:07:48.59 3.0 negative manual P -0.73 0
IV.MOCO.HHZ. 2023-05-07T00:07:47.14 0.1 undecidable manual P 17 29.1486 117 -0.04 96
IV.MRB1.HNZ. 2023-05-07T00:07:47.71 0.1 undecidable manual S 273 7.0929 158 0.08 100
IX.NSC3.EHZ.02 2023-05-07T00:07:47.56 0.1 undecidable manual P 169 30.747 115 0.16 93
IV.PSB1.HHZ. 2023-05-07T00:07:46.45 0.1 undecidable manual P 300 23.2545 124 0.05 97
IX.SSB3.HHZ.02 2023-05-07T00:07:45.38 0.1 undecidable manual P 107 15.3735 138 -0.09 98
IV.CAFE.HHZ. 2023-05-07T00:07:45.70 0.1 negative manual P 123 18.3705 132 -0.1 97
IV.MRB1.HNZ. 2023-05-07T00:07:44.75 0.1 undecidable manual P 273 7.0929 158 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRB1.HNE. ML:2.7 0.0037767944999999997 0.28 AML other m 2023-05-07T00:07:48.05
IV.MRB1.HHE. ML:2.7 0.0038876530000000005 0.28 AML other m 2023-05-07T00:07:48.05
IX.SSB3.HNE.01 ML:2.5 0.001955 0.4 AML other m 2023-05-07T00:07:49.68
IX.SSB3.HHE.02 ML:2.5 0.00188 0.4 AML other m 2023-05-07T00:07:49.48
IV.CAFE.HNE. ML:2.9 0.0040999999999999995 0.3 AML other m 2023-05-07T00:07:49.75
IV.CAFE.HHE. ML:2.9 0.00414 0.3 AML other m 2023-05-07T00:07:49.75
IV.CAFE.HHN. ML:2.5 0.001935 0.26 AML other m 2023-05-07T00:07:49.63
IV.CAFE.HNN. ML:2.5 0.0017250000000000002 0.28 AML other m 2023-05-07T00:07:49.63
IX.SSB3.HNN.01 ML:2.3 0.0013708244999999998 0.416 AML other m 2023-05-07T00:07:50.31
IX.SSB3.HHN.02 ML:2.3 0.001322155 0.288 AML other m 2023-05-07T00:07:49.55
IV.MRB1.HHN. ML:2.6 0.0027274849999999995 0.46 AML other m 2023-05-07T00:07:50.39
IV.MRB1.HNN. ML:2.5 0.0026164879999999997 0.45 AML other m 2023-05-07T00:07:50.62
IV.PSB1.HNE. ML:2.2 0.0008480000000000001 1.26 AML other m 2023-05-07T00:07:51.76
IV.PSB1.HNN. ML:2.1 0.0006225 1.32 AML other m 2023-05-07T00:07:51.11
IV.PSB1.HHN. ML:2.1 0.000601 1.32 AML other m 2023-05-07T00:07:51.11
IV.PSB1.HHE. ML:2.2 0.0008169999999999999 0.44 AML other m 2023-05-07T00:07:52.59
IV.MOCO.HHE. ML:2.0 0.00042249999999999997 0.38 AML other m 2023-05-07T00:07:52.64
IV.MOCO.HHN. ML:1.8 0.000237 0.54 AML other m 2023-05-07T00:07:52.47
IV.MOCO.HNN. ML:1.7 0.00019010814999999997 0.3 AML other m 2023-05-07T00:07:52.47
IX.NSC3.EHE.02 ML:2.1 0.0004485 0.3 AML other m 2023-05-07T00:07:53.63
IX.NSC3.EHN.02 ML:2.1 0.0005340000000000001 1.74 AML other m 2023-05-07T00:07:53.01
IV.MOCO.HNE. ML:2.0 0.0004163615 0.4 AML other m 2023-05-07T00:07:52.65
IV.MCRV.HHE. ML:1.9 0.000234 0.18 AML other m 2023-05-07T00:07:55.00
IV.MCRV.HHN. ML:2.0 0.000331 0.6 AML other m 2023-05-07T00:07:55.10
IV.SACR.HHE. ML:1.7 0.0001555 0.94 AML other m 2023-05-07T00:07:55.91
IV.VITU.HHN. ML:2.0 0.00036908825000000003 0.3 AML other m 2023-05-07T00:08:03.11
IV.SACR.HNN. ML:1.8 0.000174 1.48 AML other m 2023-05-07T00:07:57.74
IV.SACR.HHN. ML:1.8 0.000164 0.5 AML other m 2023-05-07T00:07:57.99
IV.VITU.HHE. ML:2.1 0.00042500000000000003 0.36 AML other m 2023-05-07T00:07:58.54
IV.SACR.HNE. ML:1.7 0.00014175195 0.27 AML other m 2023-05-07T00:07:55.91
IV.VULT.HNE. ML:2.2 0.0003345 0.32 AML other m 2023-05-07T00:07:59.76
IV.GATE.HHE. ML:1.8 0.00017299999999999998 0.66 AML other m 2023-05-07T00:07:59.79
IV.VULT.HHE. ML:2.2 0.0003445 0.38 AML other m 2023-05-07T00:07:59.75
IV.PTRJ.HHE. ML:1.8 0.00016425115000000002 0.2 AML other m 2023-05-07T00:08:00.19
IV.VULT.HHN. ML:2.3 0.000431 1.68 AML other m 2023-05-07T00:08:00.01
IV.VULT.HNN. ML:2.2 0.0004205 1.7 AML other m 2023-05-07T00:08:00.01
IV.BSSO.HHE. ML:1.7 0.00009221170000000001 0.26 AML other m 2023-05-07T00:08:01.12
IV.GATE.HNE. ML:1.8 0.000167 0.32 AML other m 2023-05-07T00:08:01.52
IV.PAOL.HHE. ML:1.7 0.00014800000000000002 0.96 AML other m 2023-05-07T00:08:01.17
IV.PAOL.HHN. ML:1.9 0.00023449999999999998 1.28 AML other m 2023-05-07T00:08:02.94
IV.PTRJ.HHN. ML:1.8 0.0001665506 0.26 AML other m 2023-05-07T00:08:02.51
IV.CIGN.HHE. ML:1.4 0.00004955 0.68 AML other m 2023-05-07T00:08:03.38
IV.BSSO.HHN. ML:1.6 0.0000859 1.08 AML other m 2023-05-07T00:08:03.00
IV.GATE.HNN. ML:1.8 0.00016399999999999997 1.66 AML other m 2023-05-07T00:08:03.16
IV.GATE.HHN. ML:1.8 0.000167 0.32 AML other m 2023-05-07T00:08:04.16
IV.MELA.HHE. ML:2.2 0.0002655 0.28 AML other m 2023-05-07T00:08:05.18
IV.MELA.HHN. ML:2.1 0.0002385 0.96 AML other m 2023-05-07T00:08:05.32
IV.MRLC.HHN. ML:1.7 0.00010680000000000001 0.38 AML other m 2023-05-07T00:08:05.35
IV.MRLC.HHE. ML:1.6 0.00008874999999999999 0.4 AML other m 2023-05-07T00:08:06.18
IV.SGG.HHN. ML:1.9 0.00015000000000000001 0.66 AML other m 2023-05-07T00:08:07.67
IV.PIGN.HNN. ML:2.2 0.000244 0.46 AML other m 2023-05-07T00:08:08.23
IV.PIGN.HHN. ML:2.2 0.0002505 0.62 AML other m 2023-05-07T00:08:08.23
IV.PIGN.HHE. ML:2.0 0.000163 0.72 AML other m 2023-05-07T00:08:08.45
IV.PIGN.HNE. ML:1.8 0.00010227438 0.36 AML other m 2023-05-07T00:08:09.76
OT.OT12.EHN. ML:2.4 0.000287 1.04 AML other m 2023-05-07T00:08:09.84
IV.CIGN.HHN. ML:1.4 0.000048465515 0.34 AML other m 2023-05-07T00:08:09.87
OT.OT12.EHE. ML:2.4 0.0002785 1.76 AML other m 2023-05-07T00:08:09.95
IV.SGG.HHE. ML:1.9 0.00014350000000000002 1.62 AML other m 2023-05-07T00:08:10.17
IV.SGRT.HHE. ML:2.6 0.00041200000000000004 0.2 AML other m 2023-05-07T00:08:11.10
IV.MRVN.HHN. ML:1.8 0.00005885 1.78 AML other m 2023-05-07T00:08:11.04
IV.SGRT.HHN. ML:2.4 0.00030199999999999997 0.16 AML other m 2023-05-07T00:08:11.12
IV.MRVN.HHE. ML:1.8 0.00005925 1.66 AML other m 2023-05-07T00:08:13.99
IX.NSC3.HNE.01 ML:2.1 0.00045132075 0.272 AML other m 2023-05-07T00:07:53.48
IX.NSC3.HNN.01 ML:2.1 0.00049751935 0.256 AML other m 2023-05-07T00:07:54.01
IV.MELA.HNE. ML:2.1 0.00020364070000000002 0.28 AML other m 2023-05-07T00:08:05.32
IV.MELA.HNN. ML:2.1 0.00023498184999999998 0.25 AML other m 2023-05-07T00:08:05.44
IV.SGRT.HNN. ML:2.4 0.00030819165 0.16 AML other m 2023-05-07T00:08:11.12
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