Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 11-08-2023 and time 18:48:54 (Italy) in region 3 km SW Laviano (SA)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Laviano (SA), on

  • 11-08-2023 16:48:54 (UTC)
  • 11-08-2023 18:48:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7670, 15.2820 at 14 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
Laviano SA 3 1438 1438
Valva SA 3 1643 3081
Colliano SA 5 3638 6719
Calabritto AV 6 2391 9110
Santomenna SA 6 443 9553
Castelnuovo di Conza SA 7 619 10172
Caposele AV 7 3483 13655
Senerchia AV 7 842 14497
Oliveto Citra SA 9 3802 18299
Teora AV 10 1537 19836
Conza della Campania AV 11 1373 21209
Sant'Andrea di Conza AV 12 1539 22748
Palomonte SA 12 3985 26733
Pescopagano PZ 12 1910 28643
Castelgrande PZ 13 943 29586
Contursi Terme SA 14 3394 32980
Lioni AV 15 6201 39181
San Gregorio Magno SA 16 4286 43467
Cairano AV 16 326 43793
Buccino SA 17 5047 48840
Muro Lucano PZ 17 5497 54337
Morra De Sanctis AV 18 1297 55634
Campagna SA 19 16703 72337
Andretta AV 19 1927 74264
Acerno SA 19 2783 77047
Bagnoli Irpino AV 19 3217 80264
Calitri AV 20 4666 84930
Sant'Angelo dei Lombardi AV 20 4250 89180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Battipaglia (50786 inhabitants)
44 Km E of Avellino (54857 inhabitants)
45 Km E of Salerno (135261 inhabitants)
46 Km W of Potenza (67122 inhabitants)
49 Km E of Cava de' Tirreni (53659 inhabitants)
58 Km SE of Benevento (60091 inhabitants)
64 Km E of Scafati (50787 inhabitants)
68 Km E of Castellammare di Stabia (66466 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
77 Km E of Torre del Greco (86275 inhabitants)
78 Km E of Portici (55274 inhabitants)
79 Km E of Ercolano (53709 inhabitants)
79 Km E of Acerra (59573 inhabitants)
80 Km S of Foggia (151991 inhabitants)
84 Km E of Afragola (65057 inhabitants)
85 Km E of Casoria (77642 inhabitants)
87 Km E of Caserta (76326 inhabitants)
87 Km E of Napoli (974074 inhabitants)
93 Km E of Giugliano in Campania (122974 inhabitants)
93 Km E of Marano di Napoli (59874 inhabitants)
93 Km E of Aversa (53047 inhabitants)
99 Km SW of Andria (100440 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 1.8 2023-08-11
16:48:54		 40.7673 15.282 14 2023-08-11
16:57:47		 Sala Sismica INGV-Roma 120033051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-11 16:48:54 ± 0.1
Latitude 40.7673 ± 0.0045
Longitude 15.2820 ± 0.0071
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120033051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 1.02073
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 120033051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-11 16:57:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2023-08-11T16:49:28.08 0.3 undecidable manual S 82 111.999 92 0.87 49
IV.VAGA.HHZ. 2023-08-11T16:49:14.83 0.1 undecidable manual P 310 113.2977 92 1.1 57
IV.AMUR.HHZ. 2023-08-11T16:49:13.86 0.1 undecidable manual P 82 111.999 92 0.33 78
IV.ACER.HHZ. 2023-08-11T16:49:12.44 0.3 undecidable manual S 88 55.5 94 0.3 66
IV.MRVN.HHZ. 2023-08-11T16:49:09.03 0.1 undecidable manual P 67 83.25 92 -0.06 86
IV.SIRI.HHZ. 2023-08-11T16:49:08.58 0.6 undecidable manual P 143 81.5517 92 -0.26 42
IX.RDM3.HNE.02 2023-08-11T16:49:07.27 0.6 undecidable manual S 61 24.4533 103 3.35 2
IV.MGR.HHZ. 2023-08-11T16:49:06.75 0.1 undecidable manual P 162 73.5708 93 -0.85 70
IV.VULT.HHZ. 2023-08-11T16:49:06.38 0.6 undecidable manual S 53 34.9428 97 -0.28 45
IV.PALZ.HHZ. 2023-08-11T16:49:05.06 0.1 undecidable manual P 71 60.1953 93 -0.48 82
IV.CAFE.HHZ. 2023-08-11T16:49:05.26 0.6 undecidable manual S 353 29.1486 100 0.12 47
IV.CDRU.HHZ. 2023-08-11T16:49:05.79 0.6 undecidable manual S 176 30.8469 99 0.19 46
IV.ACER.HHZ. 2023-08-11T16:49:04.51 0.3 positive manual P 88 55.5 94 -0.32 64
IX.PST3.HNN.02 2023-08-11T16:49:04.01 0.6 undecidable manual S 188 23.1546 105 0.44 44
IV.SLCN.HHZ. 2023-08-11T16:49:04.60 0.1 undecidable manual P 145 51.2154 94 0.43 85
IX.MNT3.EHZ.02 2023-08-11T16:49:03.63 0.6 undecidable manual S 289 24.3534 103 -0.26 47
IV.CMPR.HHZ. 2023-08-11T16:49:03.73 0.3 negative manual P 178 49.9167 94 -0.23 67
IX.SALI.HNN.01 2023-08-11T16:49:03.43 0.6 undecidable manual S 335 19.9689 109 0.67 41
IV.VULT.HHZ. 2023-08-11T16:49:01.45 0.6 positive manual P 53 34.9428 97 -0.22 46
IV.MRLC.HHZ. 2023-08-11T16:49:01.83 0.6 undecidable manual S 94 17.4714 114 -0.3 46
IX.NSC3.EHZ.02 2023-08-11T16:49:01.38 0.6 undecidable manual S 303 16.0728 117 -0.42 46
IV.SNAL.HHZ. 2023-08-11T16:49:01.71 0.6 undecidable manual S 341 18.5703 112 -0.7 41
IX.COL3.HHZ.02 2023-08-11T16:49:00.36 0.6 undecidable manual S 155 9.7791 136 -0.09 49
IX.SNR3.EHZ.02 2023-08-11T16:49:00.80 0.6 undecidable manual S 245 8.2806 142 0.62 43
IV.CAFE.HHZ. 2023-08-11T16:49:00.70 0.3 negative manual P 353 29.1486 100 -0.09 71
IV.MCRV.HHZ. 2023-08-11T16:49:00.70 0.6 undecidable manual S 280 9.6792 136 0.27 47
IX.VDS3.HNN.01 2023-08-11T16:49:00.86 0.6 undecidable manual S 104 12.5763 127 -0.14 48
IX.RDM3.HNE.02 2023-08-11T16:49:00.52 0.1 undecidable manual P 61 24.4533 103 0.44 89
IV.CDRU.HHZ. 2023-08-11T16:49:00.91 0.1 undecidable manual P 176 30.8469 99 -0.14 94
IX.SALI.HNN.01 2023-08-11T16:48:59.37 0.1 undecidable manual P 335 19.9689 109 -0.04 98
IV.SNAL.HHZ. 2023-08-11T16:48:59.19 0.1 negative manual P 341 18.5703 112 -0.02 98
IX.PST3.HNN.02 2023-08-11T16:48:59.98 0.1 undecidable manual P 188 23.1546 105 0.1 96
IX.MNT3.EHZ.02 2023-08-11T16:48:59.96 0.1 undecidable manual P 289 24.3534 103 -0.1 96
IX.CLT3.EHZ.02 2023-08-11T16:48:59.18 0.1 undecidable manual P 34 18.1707 112 0.02 99
IX.SCL3.HNE.02 2023-08-11T16:48:59.57 0.1 undecidable manual P 113 20.868 108 0.02 98
IV.MCRV.HHZ. 2023-08-11T16:48:58.04 0.1 undecidable manual P 280 9.6792 136 -0.03 100
IX.VDS3.HNN.01 2023-08-11T16:48:58.31 0.1 undecidable manual P 104 12.5763 127 -0.09 97
IX.LIO3.HNN.02 2023-08-11T16:48:58.72 0.1 undecidable manual P 329 16.6722 115 -0.23 95
IX.COL3.HHZ.02 2023-08-11T16:48:58.06 0.1 negative manual P 155 9.7791 136 -0.02 100
IV.MRLC.HHZ. 2023-08-11T16:48:58.73 0.1 undecidable manual P 94 17.4714 114 -0.32 92
IX.SNR3.EHZ.02 2023-08-11T16:48:58.08 0.1 positive manual P 245 8.2806 142 0.15 97
IX.NSC3.EHZ.02 2023-08-11T16:48:58.68 0.1 negative manual P 303 16.0728 117 -0.18 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHE.02 ML:2.5 0.00303 1.46 AML other m 2023-08-11T16:49:01.03
IV.MCRV.HHN. ML:2.7 0.005025 0.26 AML other m 2023-08-11T16:49:01.20
IV.MCRV.HHE. ML:2.6 0.004215 0.26 AML other m 2023-08-11T16:49:01.21
IX.COL3.HHN.02 ML:2.5 0.003015 0.14 AML other m 2023-08-11T16:49:01.46
IX.COL3.HNN.01 ML:2.3 0.002055 0.3 AML other m 2023-08-11T16:49:01.46
IX.COL3.HNE.01 ML:2.5 0.003585 1.06 AML other m 2023-08-11T16:49:01.83
IX.NSC3.HNE.01 ML:2.0 0.0007840000000000001 0.18 AML other m 2023-08-11T16:49:02.09
IX.NSC3.EHE.02 ML:2.0 0.0007315 0.16 AML other m 2023-08-11T16:49:02.18
IX.NSC3.EHN.02 ML:1.9 0.0006815 1.68 AML other m 2023-08-11T16:49:02.90
IX.NSC3.HNN.01 ML:2.0 0.000709 1.7 AML other m 2023-08-11T16:49:02.90
IX.SNR3.EHN.02 ML:2.2 0.00176 0.56 AML other m 2023-08-11T16:49:03.36
IV.SNAL.HNE. ML:1.6 0.0002675 0.88 AML other m 2023-08-11T16:49:03.63
IX.SNR3.EHE.02 ML:2.0 0.001125 1.24 AML other m 2023-08-11T16:49:03.70
IV.SNAL.HHE. ML:1.6 0.00030199999999999997 0.72 AML other m 2023-08-11T16:49:04.63
IX.MNT3.HNN.01 ML:2.3 0.001157 0.98 AML other m 2023-08-11T16:49:04.41
IV.SNAL.HHN. ML:1.6 0.0003115 0.7 AML other m 2023-08-11T16:49:04.52
IV.SNAL.HNN. ML:1.6 0.0002935 0.26 AML other m 2023-08-11T16:49:04.52
IX.MNT3.HNE.01 ML:2.0 0.000625 0.38 AML other m 2023-08-11T16:49:04.50
IX.MNT3.EHE.02 ML:2.1 0.0006635 0.6 AML other m 2023-08-11T16:49:04.69
IX.MNT3.EHN.02 ML:2.3 0.0012349999999999998 0.68 AML other m 2023-08-11T16:49:04.99
IV.CDRU.HHN. ML:1.4 0.000124 0.34 AML other m 2023-08-11T16:49:06.02
IV.CAFE.HHE. ML:1.6 0.0001805 0.22 AML other m 2023-08-11T16:49:06.59
IV.CDRU.HHE. ML:1.9 0.00033650000000000005 0.6 AML other m 2023-08-11T16:49:06.96
IV.CAFE.HNE. ML:1.6 0.000185 1.54 AML other m 2023-08-11T16:49:07.10
IV.CAFE.HHN. ML:1.6 0.000185 0.72 AML other m 2023-08-11T16:49:08.71
IV.CAFE.HNN. ML:1.6 0.00016350000000000002 0.7 AML other m 2023-08-11T16:49:08.71
IV.VULT.HHN. ML:1.8 0.0002415 0.72 AML other m 2023-08-11T16:49:11.37
IV.CMPR.HHE. ML:1.7 0.00014250000000000002 0.64 AML other m 2023-08-11T16:49:11.18
IV.VULT.HHE. ML:1.6 0.000175 1.58 AML other m 2023-08-11T16:49:11.88
IV.CMPR.HHN. ML:1.4 0.00006494999999999999 0.4 AML other m 2023-08-11T16:49:13.17
IV.ACER.HHE. ML:1.8 0.00013700000000000002 0.7 AML other m 2023-08-11T16:49:14.98
IV.ACER.HHN. ML:1.8 0.000138 1.46 AML other m 2023-08-11T16:49:15.92
IV.SLCN.HHE. ML:1.7 0.0001365 0.68 AML other m 2023-08-11T16:49:16.18
IV.SLCN.HHN. ML:1.6 0.00009984999999999999 0.24 AML other m 2023-08-11T16:49:17.39
IV.MGR.HHN. ML:1.6 0.000057249999999999996 1.72 AML other m 2023-08-11T16:49:24.09
IV.MGR.HHE. ML:1.5 0.00004685 1.68 AML other m 2023-08-11T16:49:25.96
IV.SIRI.HHE. ML:1.5 0.00004585 0.22 AML other m 2023-08-11T16:49:26.69
IV.SIRI.HHN. ML:1.6 0.00005145 0.26 AML other m 2023-08-11T16:49:27.33
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