Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 08-04-2020 and time 17:01:18 (UTC) in region 4 km SW Sant'Angelo dei Lombardi (AV)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Sant'Angelo dei Lombardi (AV), on

  • 08-04-2020 17:01:18 (UTC)
  • 08-04-2020 19:01:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9070, 15.1410 at 11 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
Sant'Angelo dei Lombardi AV 4 4250 4250
Torella dei Lombardi AV 5 2144 6394
Lioni AV 5 6201 12595
Nusco AV 5 4203 16798
Rocca San Felice AV 6 851 17649
Guardia Lombardi AV 8 1718 19367
Villamaina AV 9 995 20362
Castelfranci AV 9 2041 22403
Morra De Sanctis AV 9 1297 23700
Bagnoli Irpino AV 10 3217 26917
Cassano Irpino AV 10 982 27899
Teora AV 11 1537 29436
Paternopoli AV 12 2384 31820
Montemarano AV 12 2851 34671
Frigento AV 12 3780 38451
Caposele AV 13 3483 41934
Montella AV 13 7780 49714
Gesualdo AV 13 3516 53230
Castelvetere sul Calore AV 13 1615 54845
Sturno AV 13 3080 57925
Carife AV 15 1408 59333
Calabritto AV 15 2391 61724
San Mango sul Calore AV 15 1185 62909
Andretta AV 16 1927 64836
Luogosano AV 16 1187 66023
Castel Baronia AV 16 1129 67152
Fontanarosa AV 16 3170 70322
Sant'Angelo all'Esca AV 17 801 71123
Conza della Campania AV 17 1373 72496
Vallata AV 17 2714 75210
Trevico AV 18 993 76203
San Nicola Baronia AV 18 771 76974
Castelnuovo di Conza SA 18 619 77593
Lapio AV 18 1572 79165
San Sossio Baronia AV 19 1643 80808
Santomenna SA 19 443 81251
Flumeri AV 19 2963 84214
Chiusano di San Domenico AV 19 2277 86491
Volturara Irpina AV 19 3289 89780
Taurasi AV 19 2377 92157
Senerchia AV 19 842 92999
Laviano SA 19 1438 94437
Cairano AV 19 326 94763
Grottaminarda AV 20 8137 102900
Mirabella Eclano AV 20 7684 110584
Acerno SA 20 2783 113367
Vallesaccarda AV 20 1386 114753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Avellino (54857 inhabitants)
36 Km NE of Battipaglia (50786 inhabitants)
39 Km SE of Benevento (60091 inhabitants)
41 Km NE of Salerno (135261 inhabitants)
43 Km NE of Cava de' Tirreni (53659 inhabitants)
55 Km E of Scafati (50787 inhabitants)
60 Km E of Castellammare di Stabia (66466 inhabitants)
63 Km W of Potenza (67122 inhabitants)
65 Km E of Acerra (59573 inhabitants)
67 Km E of Torre del Greco (86275 inhabitants)
67 Km E of Portici (55274 inhabitants)
68 Km E of Ercolano (53709 inhabitants)
70 Km E of Afragola (65057 inhabitants)
70 Km E of Caserta (76326 inhabitants)
71 Km SW of Foggia (151991 inhabitants)
71 Km E of Casoria (77642 inhabitants)
75 Km E of Napoli (974074 inhabitants)
75 Km SW of Cerignola (58396 inhabitants)
79 Km E of Aversa (53047 inhabitants)
79 Km E of Giugliano in Campania (122974 inhabitants)
80 Km E of Marano di Napoli (59874 inhabitants)
89 Km E of Pozzuoli (81661 inhabitants)
89 Km S of San Severo (53905 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 2020-04-08
17:01:18		 40.9067 15.1412 11 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80281951
Reviewed
Rev100 		ML 1.6 2020-04-08
17:01:18		 40.9073 15.1393 11 2020-04-08
17:11:26		 Sala Sismica INGV-Roma 78017941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-08 17:01:18 ± 0.05
Latitude 40.9067 ± 0.0027
Longitude 15.1412 ± 0.0048
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80281951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 338
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.87684
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 80281951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-18 11:58:43

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 78017941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-08 17:11:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2020-04-08T17:01:35.79 0.6 undecidable manual S 306 52.6029 50 0.44 42
IV.MGR.HNZ. 2020-04-08T17:01:35.08 0.6 undecidable manual P 158 92.1411 50 0.66 36
OT.OT04.EHZ. 2020-04-08T17:01:35.23 1.0 undecidable manual P 22 97.3248 50 0.01 21
IV.MELA.HNZ. 2020-04-08T17:01:34.50 0.6 undecidable manual P 359 88.6446 50 0.61 37
OT.OT06.EHZ. 2020-04-08T17:01:34.57 0.6 undecidable manual P 23 94.3389 50 -0.18 41
IV.BULG.HNZ. 2020-04-08T17:01:34.57 0.6 undecidable manual P 168 94.0392 50 -0.14 42
IV.VULT.HHZ. 2020-04-08T17:01:31.89 0.6 undecidable manual S 82 40.1265 50 -0.14 46
IX.PGN3.HHZ.02 2020-04-08T17:01:30.80 0.6 undecidable manual P 124 66.378 50 0.34 42
IV.CAPA.HNZ. 2020-04-08T17:01:30.56 0.6 undecidable manual P 63 63.0924 50 0.62 39
IV.MRLC.HHZ. 2020-04-08T17:01:30.42 0.3 undecidable manual S 120 33.6441 50 0.15 70
IX.VDS3.HNZ.01 2020-04-08T17:01:29.28 0.6 undecidable manual S 127 30.2475 50 -0.09 48
IX.COL3.HHZ.02 2020-04-08T17:01:28.78 0.3 undecidable manual S 147 29.0487 50 -0.28 69
IX.SRN3.HNE.02 2020-04-08T17:01:28.76 0.6 undecidable manual P 150 53.7018 50 0.26 44
IV.MRB1.HHZ. 2020-04-08T17:01:28.35 0.3 undecidable manual S 329 28.0497 50 -0.43 67
IV.VITU.HHZ. 2020-04-08T17:01:28.09 0.6 undecidable manual P 306 52.6029 50 -0.24 44
IV.PAOL.HHN. 2020-04-08T17:01:28.46 0.6 undecidable manual P 286 50.0166 50 0.53 42
IV.PSB1.HNE. 2020-04-08T17:01:27.19 0.6 undecidable manual P 322 44.7219 50 0.08 46
IX.CLT3.HHZ.02 2020-04-08T17:01:27.62 0.6 undecidable manual S 91 22.0668 50 0.43 45
IX.SSB3.HNZ.02 2020-04-08T17:01:27.17 0.3 undecidable manual S 21 20.4684 117 0.44 67
IV.VULT.HHZ. 2020-04-08T17:01:26.30 0.3 undecidable manual P 82 40.1265 50 -0.11 70
IX.SNR3.HHZ.02 2020-04-08T17:01:26.76 0.3 undecidable manual S 167 19.4694 119 0.33 69
IV.SGO.HHE. 2020-04-08T17:01:26.11 0.6 undecidable manual P 160 40.8258 50 -0.41 44
IV.MRLC.HHZ. 2020-04-08T17:01:25.03 0.3 undecidable manual P 120 33.6441 50 -0.37 67
IV.SGTA.HHZ. 2020-04-08T17:01:25.31 0.3 undecidable manual P 36 31.5462 50 0.23 69
IX.CLT3.HHZ.02 2020-04-08T17:01:24.06 0.3 undecidable manual P 91 22.0668 50 0.44 67
IX.COL3.HHZ.02 2020-04-08T17:01:24.26 0.1 undecidable manual P 147 29.0487 50 -0.44 89
IV.MCRV.HHZ. 2020-04-08T17:01:24.67 0.3 undecidable manual S 171 13.9749 127 -0.15 73
IX.VDS3.HNZ.01 2020-04-08T17:01:24.48 0.3 undecidable manual P 127 30.2475 50 -0.4 67
IX.MNT3.HHZ.02 2020-04-08T17:01:24.96 0.1 undecidable manual S 236 13.6752 128 0.21 95
IV.MRB1.HHZ. 2020-04-08T17:01:24.27 0.6 undecidable manual P 329 28.0497 50 -0.27 46
IX.NSC3.HHZ.02 2020-04-08T17:01:23.50 0.3 undecidable manual S 194 6.7932 147 0.38 70
IX.SNR3.HHZ.02 2020-04-08T17:01:23.00 0.3 undecidable manual P 167 19.4694 119 -0.18 71
IV.MTMR.EHZ. 2020-04-08T17:01:23.89 0.3 undecidable manual S 276 11.6772 132 -0.33 70
IX.SSB3.HNZ.02 2020-04-08T17:01:23.13 0.1 positive manual P 21 20.4684 117 -0.23 94
IV.SNAL.HHZ. 2020-04-08T17:01:23.11 0.3 undecidable manual S 70 6.0939 150 0.13 74
IX.MNT3.HHZ.02 2020-04-08T17:01:22.24 0.1 positive manual P 236 13.6752 128 0.03 99
IX.LGS3.HNZ.01 2020-04-08T17:01:22.79 0.3 undecidable manual P 305 15.4734 125 0.3 70
IX.RSF3.HNZ.02 2020-04-08T17:01:22.65 0.3 undecidable manual S 24 6.993 146 -0.51 68
IX.AND3.HNZ.02 2020-04-08T17:01:22.96 1.0 undecidable manual P 81 16.2726 123 0.32 23
IV.MCRV.HHZ. 2020-04-08T17:01:22.12 0.1 positive manual P 171 13.9749 127 -0.13 97
IV.SNAL.HHZ. 2020-04-08T17:01:21.14 0.1 negative manual P 70 6.0939 150 -0.05 100
IX.NSC3.HHZ.02 2020-04-08T17:01:21.38 0.1 positive manual P 194 6.7932 147 0.11 99
IV.MTMR.EHZ. 2020-04-08T17:01:21.83 0.1 positive manual P 276 11.6772 132 -0.08 98
IX.RSF3.HNZ.02 2020-04-08T17:01:21.01 0.1 positive manual P 24 6.993 146 -0.28 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HNN. ML:1.8 0.0009570000000000001 0.66 AML other m 2020-04-08T17:01:23.54
IV.SNAL.HHN. ML:1.8 0.0009015 0.66 AML other m 2020-04-08T17:01:23.54
IV.SNAL.HHE. ML:1.8 0.0009435 1.3 AML other m 2020-04-08T17:01:23.22
IV.SNAL.HNE. ML:1.8 0.000861 1.3 AML other m 2020-04-08T17:01:23.22
IV.MTMR.EHN. ML:1.6 0.000491 0.76 AML other m 2020-04-08T17:01:24.28
IV.MTMR.EHE. ML:1.4 0.000289 0.58 AML other m 2020-04-08T17:01:24.38
IX.MNT3.HHE.02 ML:1.9 0.000768 0.38 AML other m 2020-04-08T17:01:25.07
IX.MNT3.HHN.02 ML:1.9 0.0007664999999999999 0.28 AML other m 2020-04-08T17:01:25.56
IV.MCRV.HHN. ML:2.1 0.00117 0.98 AML other m 2020-04-08T17:01:25.19
IV.MCRV.HHE. ML:1.8 0.0005635 0.6 AML other m 2020-04-08T17:01:25.48
IV.MRLC.HHN. ML:1.3 0.0000831 0.82 AML other m 2020-04-08T17:01:31.15
IV.MRLC.HHE. ML:1.3 0.000089 0.68 AML other m 2020-04-08T17:01:31.57
IV.MRB1.HHE. ML:1.4 0.0001205 0.24 AML other m 2020-04-08T17:01:32.64
IV.MRB1.HHN. ML:1.3 0.00011130000000000001 0.56 AML other m 2020-04-08T17:01:33.60
IV.VULT.HHN. ML:1.5 0.00009900000000000001 0.76 AML other m 2020-04-08T17:01:34.66
IV.VULT.HHE. ML:1.5 0.0001041 0.7 AML other m 2020-04-08T17:01:34.91
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