Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-07-2020 and time 23:35:13 (Italy) in region 4 km SE Laviano (SA)

A magnitude ML 1.6 earthquake occured in region: 4 km SE Laviano (SA), on

  • 16-07-2020 21:35:13 (UTC)
  • 16-07-2020 23:35:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7680, 15.3400 at 10 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
Laviano SA 4 1438 1438
Santomenna SA 5 443 1881
Castelnuovo di Conza SA 6 619 2500
Colliano SA 6 3638 6138
Valva SA 7 1643 7781
Castelgrande PZ 8 943 8724
Sant'Andrea di Conza AV 9 1539 10263
Pescopagano PZ 9 1910 12173
Conza della Campania AV 10 1373 13546
Calabritto AV 10 2391 15937
Caposele AV 11 3483 19420
Senerchia AV 12 842 20262
Teora AV 12 1537 21799
Oliveto Citra SA 12 3802 25601
Muro Lucano PZ 12 5497 31098
Palomonte SA 13 3985 35083
San Gregorio Magno SA 13 4286 39369
Cairano AV 15 326 39695
Buccino SA 15 5047 44742
Contursi Terme SA 16 3394 48136
Rapone PZ 16 990 49126
Ricigliano SA 16 1144 50270
Bella PZ 17 5171 55441
Calitri AV 17 4666 60107
Romagnano al Monte SA 17 368 60475
Lioni AV 18 6201 66676
San Fele PZ 18 3004 69680
Andretta AV 19 1927 71607
Morra De Sanctis AV 19 1297 72904
Ruvo del Monte PZ 19 1083 73987
Balvano PZ 19 1830 75817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Battipaglia (50786 inhabitants)
42 Km W of Potenza (67122 inhabitants)
49 Km E of Avellino (54857 inhabitants)
50 Km E of Salerno (135261 inhabitants)
54 Km E of Cava de' Tirreni (53659 inhabitants)
62 Km SE of Benevento (60091 inhabitants)
69 Km E of Scafati (50787 inhabitants)
73 Km E of Castellammare di Stabia (66466 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
79 Km S of Foggia (151991 inhabitants)
82 Km E of Torre del Greco (86275 inhabitants)
83 Km E of Portici (55274 inhabitants)
84 Km E of Acerra (59573 inhabitants)
84 Km E of Ercolano (53709 inhabitants)
88 Km E of Afragola (65057 inhabitants)
90 Km E of Casoria (77642 inhabitants)
91 Km E of Caserta (76326 inhabitants)
92 Km E of Napoli (974074 inhabitants)
95 Km SW of Andria (100440 inhabitants)
97 Km E of Giugliano in Campania (122974 inhabitants)
98 Km E of Marano di Napoli (59874 inhabitants)
98 Km E of Aversa (53047 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 1.6 2020-07-16
21:35:13		 40.768 15.3405 10 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84784551
Reviewed
Rev100 		ML 1.7 2020-07-16
21:35:13		 40.7617 15.3553 9 2020-07-16
21:51:31		 Sala Sismica INGV-Roma 81084181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-16 21:35:13 ± 0.06
Latitude 40.7680 ± 0.0045
Longitude 15.3405 ± 0.0059
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84784551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 542
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
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) 54
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 1.03602
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 81084181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-16 21:51:31

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 84784551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-17 00:25:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSAG.HHZ. 2020-07-16T21:35:33.93 0.1 undecidable manual P 24 114.996 50 0.97 61
IV.OT05.EHZ. 2020-07-16T21:35:31.48 3.0 undecidable manual P 12 102.8193 0
IV.SLCN.HHZ. 2020-07-16T21:35:30.20 1.0 undecidable manual S 149 48.618 50 0.87 18
IV.CMPR.HHZ. 2020-07-16T21:35:30.30 1.0 undecidable manual S 184 50.0166 50 0.59 20
IX.STN3.HHZ.02 2020-07-16T21:35:25.60 0.3 undecidable manual S 135 37.1295 50 -0.68 61
IV.CAFE.HHZ. 2020-07-16T21:35:24.70 0.6 undecidable manual S 343 30.1476 50 0.31 46
IX.MNT3.HHZ.02 2020-07-16T21:35:24.20 0.6 undecidable manual S 285 29.0487 50 0.09 48
IV.VULT.HHZ. 2020-07-16T21:35:23.90 1.0 undecidable manual S 48 31.0467 50 -0.75 20
IV.SLCN.HHZ. 2020-07-16T21:35:23.38 0.6 undecidable manual P 149 48.618 50 0.65 40
IV.PALZ.HHZ. 2020-07-16T21:35:23.97 0.3 undecidable manual P 69 55.5 50 0.17 68
IV.SNAL.HHZ. 2020-07-16T21:35:22.70 0.6 undecidable manual S 328 20.6682 116 1 36
IX.RDM3.HHZ.02 2020-07-16T21:35:22.59 0.3 undecidable manual S 54 20.2686 117 1 54
IV.MRB1.HHZ. 2020-07-16T21:35:22.88 0.3 undecidable manual P 322 50.2164 50 -0.09 69
IX.RSF3.HNE.02 2020-07-16T21:35:22.62 0.3 undecidable manual S 328 25.752 50 -0.62 63
IX.SALI.HNE.01 2020-07-16T21:35:22.82 0.3 undecidable manual S 323 22.4553 114 0.55 66
IX.PGN3.HHN.02 2020-07-16T21:35:22.40 0.1 undecidable manual P 119 44.1225 50 0.36 88
IV.CMPR.HHZ. 2020-07-16T21:35:22.68 0.1 undecidable manual P 184 50.0166 50 -0.27 89
IV.SGO.HHE. 2020-07-16T21:35:22.74 0.6 undecidable manual S 187 23.1546 114 0.23 47
IV.SGTA.HNZ. 2020-07-16T21:35:21.65 0.1 undecidable manual P 3 40.7259 50 0.13 93
IX.NSC3.HHZ.02 2020-07-16T21:35:21.31 0.3 undecidable manual S 296 20.2686 117 -0.29 70
IX.STN3.HHZ.02 2020-07-16T21:35:21.05 0.1 undecidable manual P 135 37.1295 50 0.08 95
IV.VULT.HHZ. 2020-07-16T21:35:20.06 0.1 undecidable manual P 48 31.0467 50 0.04 97
IX.CGG3.HNN.01 2020-07-16T21:35:20.67 0.6 undecidable manual P 149 29.3484 50 0.9 37
IV.MCRV.HHZ. 2020-07-16T21:35:20.40 0.3 undecidable manual S 276 14.5743 125 0.52 67
IX.SSB3.HNE.02 2020-07-16T21:35:20.61 0.1 undecidable manual P 345 35.6421 50 -0.13 94
IX.SRN3.HNE.02 2020-07-16T21:35:20.20 0.3 undecidable manual P 162 32.8449 50 -0.09 72
IX.MNT3.HHZ.02 2020-07-16T21:35:19.54 0.1 undecidable manual P 285 29.0487 50 -0.18 94
IV.CAGG.EHE. 2020-07-16T21:35:19.44 0.1 undecidable manual P 148 27.4503 50 -0.03 98
IX.BEL3.HNE.01 2020-07-16T21:35:19.97 0.6 undecidable manual P 103 25.5522 50 0.79 39
IV.CAFE.HHZ. 2020-07-16T21:35:19.64 0.1 undecidable manual P 343 30.1476 50 -0.24 93
IX.PST3.HHZ.02 2020-07-16T21:35:19.21 0.3 undecidable manual P 200 24.3534 50 0.21 71
IX.SALI.HNE.01 2020-07-16T21:35:18.48 0.1 undecidable manual P 323 22.4553 114 -0.18 95
IX.SFL3.HNZ.01 2020-07-16T21:35:18.16 0.1 undecidable manual P 83 20.0688 117 -0.07 98
IV.SGO.HHE. 2020-07-16T21:35:18.73 0.1 undecidable manual P 187 23.1546 114 -0.06 98
IX.RDM3.HHZ.02 2020-07-16T21:35:18.20 0.1 undecidable manual P 54 20.2686 117 -0.06 98
IV.SNAL.HHZ. 2020-07-16T21:35:18.18 0.1 negative manual P 328 20.6682 116 -0.15 96
IX.RSF3.HNE.02 2020-07-16T21:35:18.63 0.1 undecidable manual P 328 25.752 50 -0.58 86
IX.SCL3.HNE.02 2020-07-16T21:35:17.26 0.1 undecidable manual P 119 16.4724 122 -0.34 93
IV.MCRV.HHZ. 2020-07-16T21:35:17.26 0.1 undecidable manual P 276 14.5743 125 -0.02 100
IX.SNR3.HHE.02 2020-07-16T21:35:17.22 0.1 undecidable manual P 254 12.9759 128 0.2 96
IX.NSC3.HHZ.02 2020-07-16T21:35:17.94 0.1 undecidable manual P 296 20.2686 117 -0.33 93
IX.CLT3.HHZ.02 2020-07-16T21:35:17.63 0.3 undecidable manual P 20 15.873 123 0.13 73
IV.MRLC.HHZ. 2020-07-16T21:35:16.42 0.1 undecidable manual P 96 12.5763 129 -0.53 90
IX.CSG3.HNE.01 2020-07-16T21:35:16.34 0.1 undecidable manual P 62 11.6772 131 -0.48 91
IX.COL3.HHE.02 2020-07-16T21:35:16.59 0.1 undecidable manual P 185 8.9799 139 0.15 98
IX.VDS3.HNN.01 2020-07-16T21:35:15.83 0.1 undecidable manual P 113 7.881 142 -0.47 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHE. ML:1.7 0.0006019930499999999 0.2048 AML other m 2020-07-16T21:35:21.74
IV.MRLC.HNE. ML:1.5 0.00031187975 0.4096 AML other m 2020-07-16T21:35:21.73
IV.MRLC.HHN. ML:1.8 0.0007811585 0.3712 AML other m 2020-07-16T21:35:21.25
IV.MRLC.HNN. ML:1.5 0.00037067245 0.3712 AML other m 2020-07-16T21:35:21.25
IV.MCRV.HHN. ML:2.0 0.0010986686500000001 0.1792 AML other m 2020-07-16T21:35:21.46
IV.MCRV.HHE. ML:1.7 0.0005453264 0.1536 AML other m 2020-07-16T21:35:20.83
IX.CLT3.HHE.02 ML:2.1 0.0012728474999999999 0.2816 AML other m 2020-07-16T21:35:23.11
IX.CLT3.HNE.01 ML:2.2 0.001305139 0.2688 AML other m 2020-07-16T21:35:22.98
IX.CLT3.HHN.02 ML:2.2 0.001610525 0.2688 AML other m 2020-07-16T21:35:26.32
IX.CLT3.HNN.01 ML:2.2 0.001508438 0.256 AML other m 2020-07-16T21:35:23.81
IV.SNAL.HNE. ML:1.6 0.000301045 0.6912 AML other m 2020-07-16T21:35:28.88
IV.SNAL.HNN. ML:1.7 0.00034303175 0.9984 AML other m 2020-07-16T21:35:28.88
IV.SNAL.HHN. ML:1.7 0.0003363857 1.024 AML other m 2020-07-16T21:35:28.87
IV.SNAL.HHE. ML:1.7 0.00035800335 0.768 AML other m 2020-07-16T21:35:28.88
IX.MNT3.HHE.02 ML:1.4 0.00012929 0.1536 AML other m 2020-07-16T21:35:26.81
IX.MNT3.HNE.01 ML:1.4 0.00013695014499999998 0.1792 AML other m 2020-07-16T21:35:26.32
IX.MNT3.HNN.01 ML:1.7 0.00024908555 0.2432 AML other m 2020-07-16T21:35:26.82
IX.MNT3.HHN.02 ML:1.6 0.00021700055000000001 0.192 AML other m 2020-07-16T21:35:27.24
IV.CAFE.HHE. ML:1.3 0.00009782626999999999 0.4864 AML other m 2020-07-16T21:35:32.65
IV.CAFE.HNE. ML:1.4 0.0001235201 1.1776 AML other m 2020-07-16T21:35:36.39
IV.CAFE.HHN. ML:1.1 0.000057544264999999995 0.256 AML other m 2020-07-16T21:35:29.67
IV.VULT.HNE. ML:1.4 0.00011399545999999999 0.1792 AML other m 2020-07-16T21:35:26.13
IV.VULT.HNN. ML:1.7 0.00024390114999999998 0.7168 AML other m 2020-07-16T21:35:35.26
IV.VULT.HHN. ML:1.6 0.00020482825 0.6912 AML other m 2020-07-16T21:35:35.67
IV.VULT.HHE. ML:1.5 0.0001403825 0.2176 AML other m 2020-07-16T21:35:30.98
IV.CMPR.HHE. ML:1.3 0.000048270905000000006 0.3456 AML other m 2020-07-16T21:35:33.63
IV.CMPR.HHN. ML:1.0 0.000027202335 0.2048 AML other m 2020-07-16T21:35:36.92
OT.OT05.EHE. ML:1.3 0.000022348454999999998 0.32 AML other m 2020-07-16T21:35:46.91
OT.OT05.EHN. ML:1.3 0.000018970825 0.1536 AML other m 2020-07-16T21:35:48.05
IV.MSAG.HNE. ML:1.8 0.000046382624999999994 0.7808 AML other m 2020-07-16T21:35:54.57
IV.MSAG.HHE. ML:1.3 0.000012980185 0.2688 AML other m 2020-07-16T21:35:53.18
IV.MSAG.HHN. ML:1.7 0.000038356125 0.9728 AML other m 2020-07-16T21:35:59.56
IV.MSAG.HNN. ML:2.1 0.00009324974499999999 0.7936 AML other m 2020-07-16T21:35:59.16
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