Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 02-03-2023 and time 07:42:27 (UTC) in region 1 km SW Ariano Irpino (AV)

A magnitude ML 2.4 earthquake occured in region: 1 km SW Ariano Irpino (AV), on

  • 02-03-2023 07:42:27 (UTC)
  • 02-03-2023 08:42:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.1490, 15.0800 at 21 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
Ariano Irpino AV 1 22700 22700
Melito Irpino AV 5 1920 24620
Montecalvo Irpino AV 7 3725 28345
Villanova del Battista AV 7 1690 30035
Bonito AV 8 2448 32483
Grottaminarda AV 9 8137 40620
Flumeri AV 10 2963 43583
Zungoli AV 11 1099 44682
Casalbore AV 12 1800 46482
Buonalbergo BN 12 1730 48212
Sant'Arcangelo Trimonte BN 12 573 48785
Savignano Irpino AV 12 1140 49925
Apice BN 13 5686 55611
Greci AV 14 691 56302
San Sossio Baronia AV 14 1643 57945
Mirabella Eclano AV 14 7684 65629
San Nicola Baronia AV 14 771 66400
Sturno AV 14 3080 69480
Castel Baronia AV 15 1129 70609
Fontanarosa AV 15 3170 73779
Ginestra degli Schiavoni BN 15 476 74255
Frigento AV 15 3780 78035
Monteleone di Puglia FG 15 1021 79056
Gesualdo AV 16 3516 82572
Paduli BN 16 3978 86550
Castelfranco in Miscano BN 17 916 87466
Trevico AV 17 993 88459
Carife AV 17 1408 89867
Vallesaccarda AV 17 1386 91253
Sant'Angelo all'Esca AV 17 801 92054
Venticano AV 18 2537 94591
Anzano di Puglia FG 18 1284 95875
Montaguto AV 18 423 96298
Panni FG 18 804 97102
Taurasi AV 19 2377 99479
Vallata AV 19 2714 102193
Scampitella AV 19 1234 103427
San Giorgio La Molara BN 19 2994 106421
Luogosano AV 19 1187 107608
Paternopoli AV 20 2384 109992
Calvi BN 20 2682 112674
Villamaina AV 20 995 113669
Torre Le Nocelle AV 20 1324 114993

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Benevento (60091 inhabitants)
35 Km NE of Avellino (54857 inhabitants)
52 Km SW of Foggia (151991 inhabitants)
59 Km NE of Salerno (135261 inhabitants)
59 Km NE of Cava de' Tirreni (53659 inhabitants)
61 Km N of Battipaglia (50786 inhabitants)
63 Km E of Caserta (76326 inhabitants)
63 Km E of Acerra (59573 inhabitants)
64 Km NE of Scafati (50787 inhabitants)
65 Km SW of San Severo (53905 inhabitants)
69 Km E of Afragola (65057 inhabitants)
70 Km W of Cerignola (58396 inhabitants)
71 Km NE of Portici (55274 inhabitants)
71 Km NE of Castellammare di Stabia (66466 inhabitants)
71 Km E of Casoria (77642 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
72 Km NE of Ercolano (53709 inhabitants)
76 Km E of Aversa (53047 inhabitants)
78 Km E of Napoli (974074 inhabitants)
78 Km E of Giugliano in Campania (122974 inhabitants)
80 Km E of Marano di Napoli (59874 inhabitants)
83 Km NW of Potenza (67122 inhabitants)
88 Km SW of Manfredonia (57279 inhabitants)
89 Km E of Pozzuoli (81661 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 2.4 2023-03-02
07:42:27		 41.1487 15.0797 21 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115148011
Reviewed
Rev100 		ML 2.3 2023-03-02
07:42:27		 41.1442 15.0917 15 2023-03-02
07:56:42		 Sala Sismica INGV-Roma 114935521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-02 07:42:27 ± 0.14
Latitude 41.1487 ± 0.0054
Longitude 15.0797 ± 0.0107
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115148011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 811
Semi-minor axis of confidence ellipse (meter) 358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 52
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) 1.17451
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 42
Type of magnitude ML
Reference to an origin 115148011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-15 11:34:07

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 114935521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-02 07:56:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-03-02T07:42:55.20 0.6 undecidable manual S 96 93.8394 97 0.4 39
IV.AMUR.HHZ. 2023-03-02T07:42:50.06 0.3 undecidable manual P 101 130.3695 95 1.35 36
IV.MELA.HNN. 2023-03-02T07:42:46.74 0.6 undecidable manual S 4 61.8936 102 0.34 43
OT.OT14.EHN. 2023-03-02T07:42:45.20 0.6 undecidable manual P 39 107.7144 96 -0.04 42
IV.VULT.HHZ. 2023-03-02T07:42:43.83 0.6 undecidable manual S 115 49.8168 105 0.59 40
IV.MRVN.HHZ. 2023-03-02T07:42:43.45 0.6 undecidable manual P 96 93.8394 97 0.34 40
IV.SGRT.HHZ. 2023-03-02T07:42:41.33 0.3 undecidable manual P 39 86.9463 98 -0.74 54
IV.ACER.HHZ. 2023-03-02T07:42:41.85 0.3 undecidable manual P 119 82.6506 98 0.44 60
IV.VAGA.HHZ. 2023-03-02T07:42:41.28 0.6 undecidable manual P 293 76.4679 99 0.82 36
IV.CDRU.HHZ. 2023-03-02T07:42:41.02 0.3 undecidable manual P 165 75.4689 99 0.7 56
IV.MCRV.HHZ. 2023-03-02T07:42:40.96 0.6 undecidable manual S 170 41.3253 109 -0.11 46
IV.PALZ.HHZ. 2023-03-02T07:42:40.14 0.3 undecidable manual P 107 77.0673 99 -0.42 62
OT.OT04.EHE. 2023-03-02T07:42:39.71 0.3 undecidable manual P 33 75.7686 99 -0.65 57
IV.APRC.HHZ. 2023-03-02T07:42:39.81 0.3 undecidable manual P 30 77.7666 99 -0.85 53
IV.SGO.HHE. 2023-03-02T07:42:39.22 0.6 undecidable manual P 164 67.9764 100 0.04 45
OT.OT07.EHE. 2023-03-02T07:42:39.09 0.3 undecidable manual P 45 74.6697 99 -1.11 47
OT.OT05.EHZ. 2023-03-02T07:42:38.64 0.3 undecidable manual P 37 71.373 100 -1.05 49
IV.MOCO.HHZ. 2023-03-02T07:42:38.30 0.6 undecidable manual S 15 25.3524 122 1.08 34
IV.SNAL.HHZ. 2023-03-02T07:42:37.55 0.6 undecidable manual S 156 27.0507 120 -0.05 48
IX.LIO3.HHZ.02 2023-03-02T07:42:37.85 0.6 undecidable manual S 163 29.1486 118 -0.25 46
IV.MELA.HNN. 2023-03-02T07:42:37.99 0.1 undecidable manual P 4 61.8936 102 -0.27 87
IV.MRLC.HHZ. 2023-03-02T07:42:37.68 0.3 undecidable manual P 142 55.4001 103 0.4 64
5H.FR05.EHN. 2023-03-02T07:42:36.94 0.6 undecidable manual S 140 23.3544 125 0.18 47
IX.SNR3.EHN.02 2023-03-02T07:42:36.08 0.3 undecidable manual P 168 46.8198 106 0.09 70
IV.SGTA.HHZ. 2023-03-02T07:42:36.87 0.6 undecidable manual S 94 23.8539 124 -0.02 49
IV.VULT.HHZ. 2023-03-02T07:42:36.66 0.3 undecidable manual P 115 49.8168 105 0.23 67
IV.GATE.HNN. 2023-03-02T07:42:36.87 0.3 undecidable manual P 341 42.8238 108 1.46 41
5H.FR02.EHZ. 2023-03-02T07:42:36.67 0.6 undecidable manual S 183 22.6551 126 0.04 49
IX.LGS3.HNZ. 2023-03-02T07:42:35.92 0.6 undecidable manual S 203 19.4694 131 -0.04 49
GU.SATI.HHZ. 2023-03-02T07:42:35.16 3.0 undecidable manual Pg 20.719999 0
IV.CAFE.HHZ. 2023-03-02T07:42:35.69 0.6 undecidable manual S 136 18.7701 132 -0.12 48
IV.SACR.HNN. 2023-03-02T07:42:35.61 0.3 undecidable manual P 312 41.625 109 0.38 66
IX.CLT3.EHZ.02 2023-03-02T07:42:35.22 0.1 undecidable manual P 135 38.4282 110 0.44 87
IX.RSF3.HNE.02 2023-03-02T07:42:35.91 0.6 undecidable manual S 158 21.9669 127 -0.57 43
5H.FR03.EHZ. 2023-03-02T07:42:35.23 0.6 undecidable manual S 135 9.9789 151 0.89 39
IX.MNT3.EHN.02 2023-03-02T07:42:34.16 0.3 undecidable manual P 190 35.1426 113 -0.13 70
IX.SSB3.HHZ. 2023-03-02T07:42:34.04 0.6 undecidable manual S 122 14.6742 140 -1.02 36
IV.MRB1.HHZ. 2023-03-02T07:42:34.30 0.6 undecidable manual S 253 9.7791 152 -0.02 50
IV.MCRV.HHZ. 2023-03-02T07:42:34.86 0.1 undecidable manual P 170 41.3253 109 -0.32 89
IV.MOCO.HHZ. 2023-03-02T07:42:33.39 0.1 undecidable manual P 15 25.3524 122 0.43 90
IV.SNAL.HHZ. 2023-03-02T07:42:33.08 0.1 undecidable manual P 156 27.0507 120 -0.1 96
IX.LIO3.HHZ.02 2023-03-02T07:42:33.28 0.1 undecidable manual P 163 29.1486 118 -0.19 94
5H.FR02.EHZ. 2023-03-02T07:42:32.66 0.1 undecidable manual P 183 22.6551 126 0.04 98
IX.SALI.HNE.01 2023-03-02T07:42:32.99 0.3 undecidable manual P 161 25.6521 122 -0.01 73
IV.CAFE.HHZ. 2023-03-02T07:42:32.02 0.1 undecidable manual P 136 18.7701 132 -0.12 97
IX.RSF3.HNE.02 2023-03-02T07:42:32.23 0.1 undecidable manual P 158 21.9669 127 -0.3 93
IX.LGS3.HNZ. 2023-03-02T07:42:32.16 0.1 undecidable manual P 203 19.4694 131 -0.07 97
5H.FR05.EHN. 2023-03-02T07:42:32.60 0.1 undecidable manual P 140 23.3544 125 -0.09 96
IT.ORP.HGZ. 2023-03-02T07:42:32.27 0.3 undecidable manual P 47 21.1677 128 -0.16 72
IV.SGTA.HHZ. 2023-03-02T07:42:32.85 0.1 undecidable manual P 94 23.8539 124 0.08 96
IV.MRB1.HHZ. 2023-03-02T07:42:31.28 0.1 undecidable manual P 253 9.7791 152 0 100
5H.FR03.EHZ. 2023-03-02T07:42:31.41 0.1 undecidable manual P 135 9.9789 151 0.11 99
IV.MILZ.HHZ. 2023-03-02T07:42:31.26 3.0 undecidable manual Pn 0.06 0
IX.SSB3.HHZ. 2023-03-02T07:42:31.41 0.1 undecidable manual P 122 14.6742 140 -0.3 94
CH.MUGIO.HHZ. 2023-03-02T07:42:20.09 3.0 negative manual Pg 14.55 0
SI.LUSI.HHZ. 2023-03-02T07:42:04.18 3.0 positive manual Pg 10.48 0
SL.LJU.BHZ. 2023-03-02T07:41:58.82 3.0 negative manual Pg 6.54 0
IV.RIBO.EHZ.01 2023-03-02T07:41:57.96 3.0 undecidable manual Sg 0.5 0
IV.IMOL.HNZ. 2023-03-02T07:41:32.74 3.0 positive manual P 0.22 0
IV.MMO1.EHZ. 2023-03-02T07:41:25.51 3.0 undecidable manual P -1.11 0
IV.BADI.EHZ. 2023-03-02T07:41:24.55 3.0 undecidable manual P -0.53 0
IV.ARVD.HHZ. 2023-03-02T07:41:22.79 3.0 undecidable manual P 0.65 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRB1.HHN. ML:2.8 0.004 0.78 AML other m 2023-03-02T07:42:34.71
IV.MRB1.HNN. ML:2.7 0.003865 0.8 AML other m 2023-03-02T07:42:34.72
IV.MRB1.HHE. ML:2.6 0.0030549999999999996 0.28 AML other m 2023-03-02T07:42:34.69
IV.MRB1.HNE. ML:2.6 0.0029950000000000003 0.3 AML other m 2023-03-02T07:42:34.70
IX.SSB3.HNN.01 ML:2.4 0.0017549999999999998 0.18 AML other m 2023-03-02T07:42:35.77
IX.SSB3.HHN.02 ML:2.5 0.0018250000000000002 1.3 AML other m 2023-03-02T07:42:36.77
IX.SSB3.HNE.01 ML:2.4 0.00168 0.66 AML other m 2023-03-02T07:42:36.48
IV.CAFE.HNE. ML:2.6 0.00244 0.22 AML other m 2023-03-02T07:42:36.26
IV.CAFE.HHE. ML:2.6 0.00252 0.22 AML other m 2023-03-02T07:42:36.26
IV.CAFE.HHN. ML:2.4 0.001395 0.58 AML other m 2023-03-02T07:42:36.08
IV.CAFE.HNN. ML:2.4 0.00128 0.58 AML other m 2023-03-02T07:42:36.08
IX.SSB3.HHE.02 ML:2.4 0.001495 0.22 AML other m 2023-03-02T07:42:37.43
IV.SNAL.HNE. ML:2.4 0.001089 1.4 AML other m 2023-03-02T07:42:37.10
IV.SNAL.HNN. ML:2.5 0.00126 1.82 AML other m 2023-03-02T07:42:37.08
IV.SNAL.HHN. ML:2.5 0.0012900000000000001 0.46 AML other m 2023-03-02T07:42:37.76
IV.SNAL.HHE. ML:2.4 0.0011535 0.2 AML other m 2023-03-02T07:42:38.10
IV.SGTA.HHN. ML:2.4 0.0011099999999999999 0.56 AML other m 2023-03-02T07:42:38.13
IV.SGTA.HNN. ML:2.3 0.0010550000000000002 0.56 AML other m 2023-03-02T07:42:38.13
IV.SGTA.HHE. ML:2.2 0.0008605 0.34 AML other m 2023-03-02T07:42:38.44
IV.SGTA.HNE. ML:2.2 0.0008845 0.42 AML other m 2023-03-02T07:42:38.66
IV.MCRV.HHE. ML:2.3 0.000633 1.32 AML other m 2023-03-02T07:42:41.69
IV.MCRV.HHN. ML:2.5 0.0009075 1.04 AML other m 2023-03-02T07:42:41.24
IX.CLT3.EHN.02 ML:2.5 0.0009585 0.88 AML other m 2023-03-02T07:42:43.53
IX.CLT3.HNN.01 ML:2.5 0.001014 0.88 AML other m 2023-03-02T07:42:43.53
IX.CLT3.EHE.02 ML:2.5 0.0009715 0.24 AML other m 2023-03-02T07:42:45.43
IX.CLT3.HNE.01 ML:2.5 0.0009764999999999999 0.24 AML other m 2023-03-02T07:42:45.43
IV.VULT.HHE. ML:2.6 0.0008835 0.44 AML other m 2023-03-02T07:42:46.45
IV.VULT.HNE. ML:2.5 0.000829 0.32 AML other m 2023-03-02T07:42:46.46
IV.VULT.HHN. ML:2.6 0.001065 1.7 AML other m 2023-03-02T07:42:47.06
IV.VULT.HNN. ML:2.6 0.0010395 1.68 AML other m 2023-03-02T07:42:47.07
IV.MRLC.HHN. ML:2.0 0.0002215 0.22 AML other m 2023-03-02T07:42:47.39
IV.MRLC.HNN. ML:1.7 0.00010925000000000001 0.24 AML other m 2023-03-02T07:42:47.39
IV.MRLC.HHE. ML:2.0 0.0002095 1.26 AML other m 2023-03-02T07:42:51.94
IV.MRLC.HNE. ML:1.7 0.0001003 1.28 AML other m 2023-03-02T07:42:51.95
IV.ACER.HHN. ML:2.2 0.000183 1.44 AML other m 2023-03-02T07:42:55.88
IV.ACER.HNN. ML:2.2 0.000179 1.46 AML other m 2023-03-02T07:42:55.88
IV.ACER.HHE. ML:2.3 0.00026000000000000003 1.56 AML other m 2023-03-02T07:42:55.96
IV.CDRU.HNE. ML:2.2 0.00022799999999999999 1.16 AML other m 2023-03-02T07:42:56.09
IV.CDRU.HHE. ML:2.2 0.00020850000000000003 0.2 AML other m 2023-03-02T07:42:56.09
IV.CDRU.HNN. ML:1.9 0.00010960000000000001 0.26 AML other m 2023-03-02T07:42:56.45
IV.ACER.HNE. ML:2.3 0.000258 0.42 AML other m 2023-03-02T07:42:56.49
IV.CDRU.HHN. ML:1.9 0.00010960000000000001 0.26 AML other m 2023-03-02T07:42:57.69
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